FAA Weather Observation Practice Exam

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Decoding the +TSRAGR Weather Observation CodeWhat does the code +TSRAGR indicate in weather observations?Decoding the FAA Weather Code TSRAGS with EaseWhat is indicated by the weather code TSRAGS?How is Visibility Reported in Aviation Between 3 to 15 Miles?How is visibility reported when it is observed to be within the range of 3 to 15 miles?How the ICAO Identifier Works and Why It's EssentialThe ICAO identifier is made up of how many letters?How to Accurately Report Weather Conditions with Fog VisibilityIf fog obscures the entire sky and visibility into the fog is three hundred feet, how should this condition be reported?How to Report Moderate Snowfall with Steady RainHow would you report moderate snow that is falling with steady rain?How to Report Thunderstorms in METAR and Ensure Flight SafetyHow should a thunderstorm located 15 miles south and moving southeast be reported in a METAR?Identifying Tornado and Waterspout Symbols in Weather ReportsWhich present weather group indicates a tornado or waterspout?Light Precipitation: Understanding Scattered Raindrops and Their ImpactWhat intensity of precipitation is indicated by scattered raindrops that do not completely wet surfaces?Mastering Wind Speed Entries in Aviation Weather ReportingThe wind is from 360° at 125 knots. What would be the correct entry for speed?New cloud layers below 1,000 ft should be reported as SPECI criteriaIf a new cloud layer is observed below 1,000 ft AGL, what should be reported?Recognizing Weather Changes That Impact Flight SafetyWhich scenario meets SPECI criteria?Recording maximum and minimum temperatures in meteorology is essentialHow should the 24-hour maximum and minimum temperatures be recorded in columns 57 and 58, respectively?Understand the Certification Requirements for Weather ObservationsWhat is a requirement for individuals authorized to take weather observations?Understanding Aviation Weather: The Meaning Behind FEW Cloud CoverWhat is the reportable contraction for a layer with a cover of less than 2/8?Understanding Broken Clouds with BKN in Aviation Weather ReportingWhich contraction represents a layer covered 5/8 to 7/8 of the sky?Understanding Ceiling Height Reporting in FAA Weather ObservationsWhat happens if the height of the ceiling observed varies?Understanding Cloud Heights in Feet for AviationCloud heights are reported in increments of hundreds of:Understanding Cloud Layer Reporting in Aviation Weather ObservationsWhat report would indicate a cloud layer located 200 feet below station elevation?Understanding Cloud Layers and Their Effects on Aviation VisibilityHow are all cloud layers and obscurations aloft classified?Understanding Coordinated Universal Time in FAA Weather ObservationsIn what time standard is the time of observation entered in column 2 for most SAWRS?Understanding Drizzle: What Makes It Different from RainHow is drizzle defined in terms of drop size?Understanding Height Entry in MF1M-10C for FAA Weather ObservationsHow should a height of 2,650 feet be entered in the MF1M-10C?Understanding Height Measurements in Weather ObservationThe height of all layers, including the ceiling layer, is recorded in terms of feet above what reference point?Understanding how altimeter settings work in aviationWhat units is the altimeter setting recorded in?Understanding How Fog Reduces Visibility in AviationHow does fog reduce visibility?Understanding How Rainfall Rate Impacts Heavy Rain ReportingWhat affects the reporting of heavy rain according to rate-of-fall standards?Understanding How the Beginning of a Thunderstorm Is ReportedHow is the beginning of a thunderstorm reported?Understanding how the height of weather layers is recorded in MF1M-10CHow is the height of layers recorded in MF1M-10C?Understanding How to Determine Snow Intensity Based on VisibilityHow is the intensity of snow determined when occurring alone?Understanding how to record balloon visibility in overcast weather conditionsIf a balloon fades from view at 2,000 feet, how should this condition be recorded when an overcast layer is present?Understanding How to Record Wind Direction in Meteorological ObservationsHow should wind direction be recorded in column 3 of MF1M-10 for a direction of 5°?Understanding how to report an increase in snow depth correctlyHow is an increase of 3 inches in snow depth reported if the total depth is 8 inches?Understanding How to Report Cloud Cover in Aviation Weather ObservationsHow should a layer of clouds covering two-eighths of the sky at one thousand feet be reported?Understanding How to Report Peak Wind ObservationsA peak wind during the past hour of 36 knots from 090° occurred at 45 minutes after the hour. How should this be reported in column 14?Understanding How to Report Prevailing Visibility EffectivelyIf the prevailing visibility varies rapidly during the observation, the prevailing visibility is reported as:Understanding Lightning Reports in Aviation Weather ObservationsThe location of occasional lightning cloud to cloud and in the cloud observed to the distant west is reported as?Understanding Moderate Snow and Visibility ConditionsHow is moderate snow (SN) reported in terms of visibility conditions?Understanding Obscurations and Their Impact on Sky VisibilityWhat does an obscuration represent in terms of sky visibility?Understanding Observation Time Limits for Weather ReportsHow many minutes prior to the scheduled observation time can an observation be started?Understanding Present Weather Factors in AviationWhich of the following factors is not included in present weather?Understanding Pressure Readings in FAA Weather ObservationsWhat does a pressure reading of 1013.5 hPa get coded as in remarks?Understanding Pressure Value Rounding in Weather ObservationsWhen referencing pressure values, what rounding direction is typically applied?Understanding Prevailing Visibility in AviationPrevailing visibility is reported in:Understanding Prevailing Visibility in FAA Weather ReportsHow would the report look for "the prevailing visibility from your point of observation is three to five miles"?Understanding Prevailing Visibility Standards for Safer FlightsPrevailing visibility is reported as variable when it rapidly increases and decreases by 1/2 or more miles and is less than:Understanding Prevailing Visibility: Breaking It Down Into SectorsWhen you are determining the prevailing visibility, how many sectors can the horizon circle be divided into?Understanding Rain Intensity Indicators in Weather ObservationThe intensity indicators for rain are:Understanding Sky Cover Summation for Weather ObservationsThe sky cover summation for a layer includes the sky cover of which of the following?Understanding Sky Coverage in Aviation Weather ReportingIf 8/8 of the sky is covered by a layer aloft that hides 6/8 of the sky, how should the sky cover layer and contraction be recorded?Understanding Snow Depth Reporting and Weather ObservationsAt 0600 UTC there are 21.3 inches of snow on the ground and no precipitation fell during the 6-hour period. What should be reported in remarks?Understanding Snow Depth Reporting in MeteorologyThe snow depth increased 3 inches between 1300 and 1400 UTC. How would this be reported in column 14 if the depth of snow on the ground at 1200 and 1300 UTC was 6 inches?Understanding Temperature and Dew Point Encoding in Aviation Weather ReportsA temperature of 18.5° Celsius and a dew point of 10.1° Celsius would be coded in remarks as:Understanding Temperature and Dew Point Reporting in METAR and SPECITemperature and dew point are reported in the body of the METAR/SPECI report in what unit?Understanding Temperature Encoding in FAA Weather ObservationsA 6-hour maximum temperature of 14.5°C and a 6-hour minimum temperature of -1.5°C should be recorded in column 14 as:Understanding the 15-Minute Limit for Corrected Weather ReportsWhat is a typical limit beyond which corrected reports are not sent?Understanding the 24-Hour Format in Weather ObservationAll time entries in column 2 of MF1M-10 are made using what hour format?Understanding the Abbreviation -TSRA HZ in Aviation WeatherWhat does the abbreviation -TSRA HZ represent?Understanding the Abbreviation for Light Intensity in Weather Reports: Mist ExplainedWhat is the indicator of light intensity for mist in a weather report?Understanding the Characteristics of a Broken Cloud LayerWhich of the following is a characteristic of a broken cloud layer in reporting?Understanding the Code DRDU in Weather ObservationsWhat does the code DRDU represent in weather observations?Understanding the Code for Showers in Weather ObservationsWhich code represents showers?Understanding the coding of "PK WND 36045/09" in aviation weather reportsWhat does the coding "PK WND 36045/09" represent in a weather report?Understanding the Coding of METAR and SPECI Weather ReportsIf SPECI criteria are met at the time a METAR observation is due, it is coded as?Understanding the Components of a METAR/SPECI ReportIn what order do the components appear in a METAR/SPECI report?Understanding the Components of a SPECI ObservationHow many sections does a SPECI observation contain?Understanding the Concept of Prevailing Visibility in AviationWhat does the aviation term 'prevailing visibility' refer to?Understanding the Contraction for Sky Cover When Visibility is ZeroIf the sky cannot be seen because of a smoke layer that hides 8/8 of the sky, what is the sky cover contraction used?Understanding the Correct Reporting Sequence for Sky Conditions and Visibility in AviationWhich order correctly identifies the reporting sequence for variable sky condition, variable ceiling height, and sector visibility?Understanding the Correct Wind Speed Format in FAA ReportingWhat is the correct way to record a wind speed of 15 knots in the report format?Understanding the Critical Order of Weather Observation Reporting in AviationWhich of the following describes the correct order for reporting rotor cloud, sector visibility, and wind shift?Understanding the Date/Time Group in Corrected Weather ReportsWhat time is used for the Date/Time group in a corrected report?Understanding the Dynamics of Visibility Changes in AviationWhich statement regarding visibility changes is accurate?Understanding the Frequency for Comparing Aneroid Instruments in AviationWhat is the typical frequency for comparing two aneroid instruments used to determine altimeter settings?Understanding the Importance of Retaining MF1M-10 Carbon Copies for 90 DaysWhat is the minimum time requirement for retaining MF1M-10 carbon copies?Understanding the Key Differences Between Surface Reports and METARHow is significant weather different in a SURFACE report compared to a METAR?Understanding the key moments for reading a dry-bulb thermometer in psychrometryWhen ventilating a psychrometer, when should the dry-bulb thermometer be read?Understanding the METAR Code for Surface Meteorological DataWhat is the primary observation code to be used in the U.S. for reporting surface meteorological data?Understanding the Order of Sky Cover Contractions in Weather ReportsIn what order are sky cover contractions entered in column 10 of MF1M-10C?Understanding the Order of Weather Obscurations for Aviation ReportingIf more than one obscuration is occurring at the same time, they should be entered in which order?Understanding the Proper Notation for Light Snow and Blowing Snow Reports in AviationIf light snow and blowing snow are occurring simultaneously, how should this be reported?Understanding the Proper Order for Reporting Squalls, Rain, and FogWhat is the proper order for reporting squalls, rain, and fog?Understanding the Requirements for Reporting Mist, Smoke, or Haze in Weather ObservationsWhat must happen for mist, smoke, or haze to be recorded in column 9?Understanding the Significance of BCFG in Weather ReportingWhat is reported in column 9 when patches of fog exist but the prevailing visibility is 7 miles?Understanding the Start of the Remarks Section in METAR ReportsWhat does the remarks section of a METAR report always start with?Understanding the Structure of METAR ObservationsA METAR observation contains how many sections?Understanding the Term FEW in Weather ObservationsIf a layer aloft has less than 1/8 of sky cover, what is the reportable contraction?Understanding the TSRAPE Weather Code for Safer AviationWhat does the code TSRAPE denote in weather observations?Understanding Thunderstorm Notation in FAA Weather ObservationsWhich remark notation indicates the occurrence of thunderstorms in the vicinity?Understanding Variable Wind Direction and Its Coding in AviationA variable wind direction and a speed of 4 knots would be coded as?Understanding Vertical Visibility and Sky Conditions in AviationWhat contraction is used to indicate a completely obscured sky condition?Understanding Visibility Codes for Blowing Dust in AviationWhat should be recorded in column 9 if blowing dust is reducing visibility to 5/8 statute mile?Understanding Visibility Coding in FAA Weather ObservationsCoding the visibility as "1/3rd 3, 1/3rd 5, 1/3rd 4" would result in what?Understanding Visibility Reductions in FAA Weather ObservationsIf visibility is reduced from 12 miles to 7 miles due to mist, light snow, and smoke, what is the minimum entry for column 9?Understanding Visibility Reporting and Obscurations in AviationObscurations should be reported only when the prevailing visibility is less than 7 miles, except for:Understanding Visibility Values in Aviation Weather ReportsWhich of the following visibility values indicates a visibility of 1/4 mile?Understanding Volcanic Eruptions in METAR Reports Can Save LivesWhich of the following remarks indicate an eruption of a volcano in a METAR report?Understanding Weather Phenomena: What is Obscuration?Which term describes the portion of sky cover hidden by weather phenomena?Understanding Wet- and Dry-Bulb Thermometers in Weather ObservationsWet- and dry-bulb thermometers are read to the nearest what?Understanding Wet-Bulb Temperature Adjustments in Adverse Weather ConditionsWhat measurement technique is used for wet-bulb temperature in adverse conditions like rain or snow?Understanding What DSNT Means for Weather ObservationsWhat does "DSNT" signify regarding the distance of weather phenomena from the observation point?Understanding What Goes in Column 14 of a METAR ReportAt 1800 UTC, 0.25 inches of precipitation occurred 12 hours ago. What is recorded in column 14 (Remarks)?Understanding What Ice Crystals Really AreWhat are ice crystals?Understanding What KT Means When Reporting WindWhen reporting wind, what does "KT" stand for?Understanding When a SPECI Report is NecessaryWhich precipitation event does not require a SPECI report?Understanding When to Conduct a Site-Specific Visibility ObservationWhich condition would require a site-specific visibility observation?Understanding When to Reset Your Altimeter Settings in AviationHow often should the indicated height be reset when using the aircraft-type altimeter?Understanding When Tower Visibility Is Transmitted in METAR ObservationsWhen are tower visibility entries transmitted in the METAR observation?Understanding Why Corrected Weather Reports Are Not TransmittedWhich of the following reasons would prevent the transmission of corrected reports?Understanding Wind Direction Variability in AviationWind direction is considered variable when:Understanding Wind Measurement in Aviation Weather ReportsWhat is the appropriate unit of measure for wind reports in an aviation weather report?Understanding Wind Parameters in METAR ReportsWhich wind parameter is not included in the METAR/SPECI wind element?Understanding Wind Reporting for Aviation Weather ObservationsA strong wind increases from 270° at 15 knots to 32 knots with gusts to 44 knots and persists for 3 minutes. How is this reported?Understanding Wind Speed Classification in METAR Reports for GustsHow is wind speed classified in METAR reports for gusts?Understanding Wind Speed Representation in METAR ReportsFor a wind speed of 10 knots, how would this be represented in METAR reports?What Does SKC Mean in Aviation Weather Reports?What report is used when no clouds are visible?What Does the Code +FZRA Mean in Weather Reports?What weather condition does the code +FZRA indicate?What Does VA FU Mean in Aviation Weather Reports?What does the abbreviation VA FU correspond to in aviation weather?What Does VCSH Mean in Weather Reporting?What does VCSH mean in weather reporting?What DRSN Means in Aviation Weather and Why It MattersWhat does the abbreviation DRSN represent in aviation weather?What is the lowest cloud layer aloft reported as broken or overcast in FAA weather observations?What is defined as the lowest layer aloft reported as broken or overcast?What the Code SS Means in Aviation Weather ObservationsWhat does the code SS signify?What to do when normal weather observation procedures don’t fit the situation? Use judgment with available instructionsWhat should you do if normal reporting procedures are inappropriate during an observation?What You Need to Know About Reporting Visibility in AviationWhich criteria need to be satisfied for variable visibility to be reported?What You Need to Know About Sea-Level Pressure AdjustmentsSea-level pressure is adjusted to compensate for what specific difference?What You Should Know About METAR and SPECI Observation RemarksWhat remark is added to a METAR or SPECI observation report that is not transmitted?What You Should Know About Visibility in METAR ReportsIn a METAR/SPECI report, which group follows the wind group?Why Volcanic Eruptions Demand Immediate Weather AlertsWhich of the following elements must be disseminated regardless of any delay?
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  • What height is assigned to cloud layers with a base less than 50 feet?
  • When recording sporadic wind conditions in METAR reports, which format applies to a variable direction that indicates calm conditions?
  • What category does RVR fall under in regulatory observation standards?
  • What is the coding for the Date/Time group for the 9th of the month at 1755 UTC?
  • During a report, when should measurements of high visibility be prioritized?
  • For fog obscuring five-eighths of the sky, with a higher layer of clouds at ten thousand feet, how should this be coded?
  • What should the barograph correction be entered in column 38 to?
  • What defines ice pellets in weather observations?
  • Which of the following is never reported as a ceiling?
  • How many minutes after the last occurrence of an event is a thunderstorm reported to have ended?
  • What is the flight category for visibility less than 1 statute mile?
  • What minimum criteria indicate a wind shift must be reported?
  • What reporting value represents a visibility of 3 miles?
  • Which code corresponds with patches of fog?
  • At manual reporting stations, the contraction for clear skies is:
  • What would the coded report state for prevailing visibility of 12 statute miles?
  • What is the meaning of the code +FZRA in weather reporting?
  • What type of cloud layer does "BKN" represent?
  • What must be included in a weather report when ice crystals (IC) are present?
  • Why should more time be allowed for taking observations at night?
  • Which option describes how pressure values are rounded for reporting purposes?
  • How should the reported pressure change be tracked for an hourly observation?
  • How is prevailing visibility reported during specific conditions?
  • The contraction used to describe a total ground-based obscuration is:
  • A gust is reported when the wind speed fluctuates rapidly with a variation of at least how many knots between peaks and lulls?
  • Which of the following is a reason for taking greater care with night observations?
  • Which reading should be used as the altimeter setting when two different readings are observed?
  • Which code represents ice pellets?
  • Is a 1500-foot ceiling that varies in height by 300 feet considered a variable ceiling?
  • What format is used to report wind direction and speed in METAR when the speed is calm?
  • Which of the following is a correct remark?
  • The weather phenomena -FZRASN indicates which type of weather is occurring?
  • Which of the following does NOT meet SPECI criteria?
  • A wind report indicating gusts of 20 knots should be formatted as?
  • Which of the following is a correct entry in Column 14 (Remarks)?
  • What is the correct report for visibility reduced to 1/4 mile due to smoke?
  • If visibility is reduced to 7 miles due to mist, light snow, and haze, what should be reported in column 9 (Present Weather)?
  • How is the 5appp group coded at 1200 UTC if the pressure fell unsteadily .040 inch during the past 3 hours?
  • Which code indicates a weather condition with heavy rain associated with thunderstorms?
  • Runway Visual Range (RVR) is calculated from which of the following factors?
  • What position does the station identifier occupy in a METAR/SPECI coded report?
  • What indicates that the dew point may be adjusted when the temperature is below -30°F?
  • Which of the following remarks are reported in the proper order?
  • When reporting lightning in remarks, which of the following items is unnecessary?
  • Which units are used for the Altimeter Setting pressure parameter?
  • What weather conditions does the code -FZRASN describe?
  • Which parameters are included in the body of the METAR wind element?
  • How should the wind gust information be encoded for a wind gust of 18 knots?
  • If an element cannot be observed, what is the standard procedure?
  • Which of the following are true regarding RVR reports?
  • What should be recorded in the METAR report if the RVR for runway 06 left shows 1000 feet but the 10-minute readout is not functioning?
  • Which of the following indicates rapidly changing wind direction in a weather report?
  • Types of reportable layers are:
  • Which object is most suitable for determining nighttime visibility?
  • If all the sky is visible through a surface-based phenomenon covering 8/8 of the sky, what contraction is used?
  • If an error is discovered in column 9 after reporting, how should it be corrected?
  • Which reported changes in prevailing visibility require a SPECI to be taken?
  • Which weather phenomenon is indicated by the code BCFG?
  • How would you report an average wind speed of 25 knots that is varying rapidly between 20 and 30 knots?
  • Which of the following describes the correct report for occasional lightning cloud to ground two miles northwest?
  • What remark is appended to the report to indicate that the observation was not transmitted long-line?
  • Which element is NOT mandatory in a METAR observation?
  • Which temperature should be determined first, wet-bulb or dry-bulb?
  • What is the purpose of reporting sector visibility?
  • What should be done if there is a discrepancy between two altimeter readings during the recording process?
  • What is expected if a reported visibility falls between two reportable values?
  • What would you do if the RVR equipment were out of service but visibility was still being reported?
  • When several layers are reported as broken, how is the ceiling determined?
  • What is the sky cover of a layer of smoke aloft that covers 8/8 of the sky?
  • How should the wind direction be encoded for a reported direction of 111°?
  • In METAR reports, where are wind shifts documented?
  • What type of report would be submitted if weather changes necessitate immediate reporting?
  • Which present weather type uses a minus sign (-) to indicate light intensity?
  • In what units is the amount of sky cover for each layer observed?
  • When reporting cloud height or visibility between two values, what value do you report?
  • A remark of FRQ LTGCGCC NW in Column 14 would indicate that ___ flashes per minute were observed.
  • In a METAR report, what section immediately precedes the remarks section?
  • What is the proper coding for the Date/Time group of the 1st of the month at 1001 UTC?
  • When multiple types of present weather are reported, which type is mentioned first?
  • When the ceiling height is variable, what is reported in the sky condition column?
  • When the visibility decreases from 1 mile to 1/2 mile in fog and the temperature drops, what should be reported?
  • At what time is the snow depth entered in column 61 of MF1M-10 measured?
  • What would the entries be in columns 7a and 14 when visibility is observed to be varying rapidly between 1 5/8 and 2 1/4 miles?
  • At 1800 UTC, a trace of precipitation has fallen during the past 6-hours. What should be reported in remarks?
  • What modifier indicates that a report has been corrected?
  • What identifies a significant pressure change in a report?
  • For the reportable contraction "SCT," what is the corresponding sky cover amount?
  • Under what conditions is the dew point reported with respect to ice?
  • How is fog that covers a substantial part of the station coded when the prevailing visibility is 7 miles?
  • What is the decoding for BLSN?
  • If the wind direction is from 240° at 9 knots and varies from 210° to 260°, how should this be formatted for transmission?
  • What is the definition of a squall?
  • If the wind is from true north at 8 knots and the magnetic declination is plus 10 degrees, how would this be coded?
  • In situations where routine reporting procedures cannot be followed, what is encouraged?
  • Prevailing visibility is defined as:
  • What does the code MI refer to in weather observations?
  • If an undeterminable amount of precipitation has occurred in the past 3-hours, what should be recorded in column 14?
  • What is the best method for estimating low surface wind speed?
  • What is the essential difference between gusts and squalls?
  • Gusts reported in column 5 must have been observed within how many minutes prior to the actual time of observation?
  • What does the code FU indicate?
  • During severe weather reports, which must be clearly identified in communication?
  • How can visibility in a METAR/SPECI report be identified?
  • Which of the following is NOT a required element for a reported wind shift?
  • What units are used for reporting Sea-Level Pressure?
  • In a METAR report, the time of the Date/Time group refers to:
  • Which factor is NOT compensated for in the sea-level pressure adjustment?
  • What is the correct coding for sand raised by the wind to less than 6 feet?
  • During an observation, occasional lightning is noted 8 miles north, but no thunder is heard. What is reported in column 9 and column 14?
  • A visibility of 2 3/8 miles is reported as:
  • The maximum number of allowable visibility categories is:
  • What would the coding be for "7/8ths 2, 1/8th 1"?
  • If a cloud layer has a base less than 50 feet, how is it reported?
  • Which of the following best describes proximity qualifiers?
  • When the sky is covered by a layer aloft that hides 2/8 of the sky, what is the sky cover and contraction?
  • What does the abbreviation for "showers in the vicinity" reflect in aviation terminology?
  • How often should time checks be made on the official station clock at part-time stations?
  • When reporting visibility of 3 miles in remarks, which coding is appropriate?
  • Which abbreviation indicates that visibility is reduced due to fog?
  • In a complex weather situation involving light rain showers, light snow showers, and a thunderstorm, what is the correct order for entries?
  • If required, dew point is determined to the nearest what?
  • What code should be used for a layer of clouds covering four-eighths of the sky at an estimated nine thousand feet?
  • What units are associated with the Station Pressure parameter?
  • When observed visibility is between two reportable values, the visibility reported is the:
  • When should thunderstorms occurring at a station be reported?
  • What observation indicates very light snow in the weather report?
  • What visibility condition is present when light drizzle (-DZ) is reported with fog?
  • Under what condition can you omit taking a SPECI during an aircraft mishap?
  • What is the meaning of the present weather group '-RASN'?
  • The contraction "OVC" corresponds to what sky cover amount?
  • How would the visibility report be coded for "the prevailing visibility is two and a half statute miles"?
  • What is the maximum wind speed category that can be reported using the METAR format?
  • In a SPECI report, when is the time of the Date/Time group recorded?
  • Under what atmospheric condition is the altimeter pressure measurement critical?
  • Rain showers of unknown intensity are observed approximately 7 to 8 miles north of the station. What should be recorded in column 9 and/or column 14?
  • A visibility of 7/16 miles would be reported as:
  • What is the correct code for a 6-hourly maximum temperature of 21.0° Celsius?
  • Which element is recorded immediately before sky condition in a METAR/SPECI report?
  • Which report includes the Date and Time group?
  • What is the condition for sky cover to be considered variable?
  • In a METAR/SPECI report, where is the RVR group reported?
  • What is the decoding for MIFG?
  • What objects can be used for determining visibility?
  • Which of the following can be used to determine the height of the sky cover?
  • What does 'M' signify when reporting negative altitudes for clouds?
  • If your station lacks runway visual range equipment and the visibility is down to one quarter mile, how is the RVR coded in the report?
  • What is the main factor affecting nighttime visibility?
  • In the presence of smoke observed at 900 feet obscuring less than 1/8 of sky cover, what is reported?
  • In which situation would you report 'BI' in Present Weather?
  • The abbreviation VC in weather observations indicates phenomena is located where?
  • What coded remark would be appropriate for "the prevailing visibility from your point of observation varies from one and a half to two and a half miles"?
  • Fog/mist is responsible for lowering the visibility to 5/8 mile. Light rain is also occurring. The present weather would be coded:
  • What range of height values corresponds to a reportable increment of 500 feet?
  • What method is used to calculate the 12-hour mean temperature for sea-level pressure adjustments?
  • When the height of a layer falls halfway between two reportable values, which value is reported?
  • What time standard is used for entering the time of observation in Column 2 for the NWS?
  • What does the code BLPY signify in weather observations?
  • Which of the following would not be entered as a visibility value on MF1M-10?
  • If the station anemometer is not in operation, and the observer estimates that the wind speed is 10 knots, how will this be reported?
  • What is the maximum number of layers that can be coded in a manual observation?
  • What is the decoding for +SHRA?
  • What does the weather code indicating "patchy fog" translate to?
  • In the context of column 9 (Present Weather), when is lightning reported?
  • When reporting observations that include layers, the lowest ceiling is determined by what criteria?
  • When evaluating the presence of thunderstorms in the weather report, what is prioritized?
  • What is the duration over which wind direction and speed should be averaged for reporting?
  • In remarks, time entries will use "hours and minutes" if the time reported occurs:
  • What is indicated by the term "frq" in the METAR report for lightning?
  • What is the classification for heavy rain when the rate-of-fall exceeds certain limits?
  • What are the designators used for routine and unscheduled aviation weather observations?
  • If an observer reports IC in column 9, which statement is true regarding visibility conditions?
  • Which code indicates low drifting snow?
  • Which of the following phenomena may be classified as having heavy intensity?
  • For a balloon that fades from view immediately upon release from the surface, how would the sky condition and ceiling be recorded?
  • How would you code an RVR value of 2400 feet for runway 22 in a METAR report?
  • What do weather observers need to be authorized to take observations?
  • What term describes precipitation characterized by rapid intensity changes?
  • What characterizes blowing snow compared to low drifting snow?
  • Calm wind is coded in the report as which of the following?
  • What is the only report modifier used in a manual weather observation?
  • When coding the pressure characteristic, if the pressure is lower than 3 hours ago, which code must be chosen?
  • What should be reported if the amount of precipitation is 0.0 inches during the past 3 hours?
  • A large area of fog is observed 6 miles NE-S of the station. What is reported in column 9 (Present Weather)?
  • Which phrase matches "occurring at the station"?
  • The character of a pressure change is determined based on the observed change over which time frame?
  • Which of the following phenomena can be reported with an intensity qualifier?
  • If a wind shift is accompanied by a cold frontal passage that began at 30 minutes after the hour, how would it be coded?
  • How is station pressure determined in relation to barometric pressure?
  • In which situation is it unnecessary to determine the wet-bulb temperature to obtain the dew point?
  • If steady rain is observed 4 miles NE to SE from the station, how should it be recorded?
  • What is indicated by the code SHPE in weather terms?
  • How should an observed height of 175 feet be recorded in column 10 of MF1M-10C?
  • What is represented by the code BLSA?
  • What does the code GR represent in weather reports?
  • If the following visibility values were observed: N 3, NE 2 1/2, E 1, SE 3/4, S 2, SW 3 1/2, W 4, NW 2 3/4, what would be the prevailing visibility?
  • For how long should carbon copies of MF1M-10 be retained?
  • When using Fahrenheit thermometers to obtain temperatures, the thermometers must be read to the nearest what?
  • How is vertical visibility typically reported in weather observations?
  • Using the prescribed order, which of the following required remarks would be the first entry in column 14 (Remarks)?
  • Under what visibility conditions would moderate snow not be reported when other phenomena are present?
  • What sky condition is recorded when fog at the surface completely obscures visibility until 650 feet?
  • When does a METAR observation get updated to reflect SPECI conditions?
  • What is the reporting method for temperature and dew point in METAR reports?
  • Report sector visibility in the remarks whenever it:
  • Which phenomenon describes a rotating column of air that does not touch the ground?
  • What is the term for ice formed on surfaces by freezing rain or freezing drizzle?
  • A 6-hourly maximum temperature of -2.5° Celsius shall be coded in column 14 in the following format:
  • Visibility is defined as the greatest distance at which:
  • What interaction occurs to define a duststorm?
  • Which definition best describes precipitation?
  • Which condition demands a careful check of the dry-bulb reading?
  • A light intensity symbol (-) is never used to report which type of weather phenomenon?
  • When taking a visibility observation, what is the best practice?
  • When is volcanic ash reported?
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