METRO (Meteorology) – VT-10 Primary Practice Test

These questions are part of the practice quiz. Start practicing

• Which cloud type is typically associated with unstable atmospheric conditions and thunderstorm potential?
• What is the correct order of the five main sections as listed for the DD 175-1 form?
• If air is cooled to its dew point, what happens to water vapor?
• Under which conditions does ATC solicit PIREPS?
• What is latent heat release and why is it important for storm development?
• How does an inversion affect vertical mixing and weather?
• Which statement defines the dew point?
• According to Navy guidance, you will need an alternate airfield when weather is forecasted at less than _____' AGL ceiling and/or _____ SM of visibility.
• Which section contains the comments/remarks?
• Radiation fog is characterized by which of the following?
• Which type of AIRMET is related to turbulence?
• Which of the following is NOT one of the four activities the AWW checks before issuing WW?
• What is a sea breeze and where does it typically occur?
• Which statement about inversion's impact on fog and air quality is accurate?
• What defines an occluded front?
• How does orographic lifting by the Green Mountains affect precipitation patterns in Vermont?
• Which statement best describes advection fog as a weather phenomenon?
• Which of the following is NOT a common fog type?
• What does the Bergeron process involve?
• A forecast for a specific airport over roughly 24 to 30 hours is delivered in which product?
• What is the practical effect of positive CIN on thunderstorm development?
• What is the symbol for Severe Turbulence on charts?
• AIRMETs cover icing, turbulence, and IFR with mountain obscuration. Which option reflects all covered phenomena?
• PMSV stands for Pilot to Metro Weather Radar Facility.
• Which type of AIRMET is related to icing?
• Under what circumstance must pilots report PIREPs?
• What is the status of a Weather Watch?
• LCL, or lifting condensation level, is defined as:
• What is the difference between METAR and a TAF forecast?
• Define inversion and its impact on fog and air quality.
• What does the Navy define VMC/VFR as?
• Which of the following air information is provided by Surface Analysis Charts?
• What does CAPE represent, and how does it relate to thunderstorm potential?
• What instrument is used to measure atmospheric pressure and how is it read on weather maps?
• Isotherms are used in forecasting to illustrate what?
• Which statement best describes a sea breeze's occurrence?
• Which meteorological feature is typically associated with strong vertical motion and thunderstorm development?
• Advection fog is best described as fog formed when warm moist air moves over a cooler surface, causing cooling to the dew point.
• Which is the second main section of the DD 175-1 Flight Weather Brief form?
• Which sky condition is NOT listed as a ceiling in the provided material?
• Who should you contact in flight to obtain a weather update for your destination or alternate airport?
• On a surface weather map, how is a warm front characterized?
• Which pair of digits in Winds Aloft notation indicates a variable wind with less than 5 knots?
• Which AIRMET is related to IFR and mountain obscuration?
• What are the standard atmosphere sea-level temperature and pressure reference values?
• Which statement about isobars on weather maps is correct?
• What is an updraft and a downdraft in storm processes?
• In the DD 175-1 form, where would you record Enroute and Mission Data?
• Explain wind shear in the context of tropical cyclone development.
• Which weather phenomenon is most closely associated with an urban heat island's impact on the atmosphere?
• Which statement best describes the boundary layer's interaction with the surface?
• Convective inhibition (CIN) is best described as what?
• How does freezing rain form?
• What is wind shear and why is it significant?
• The boundary layer is defined as which of the following?
• What do the numbers below the Turbulence symbols mean? Example: (160/90)
• Steam fog forms when cold air moves over warm water, causing water vapor to mix and condense into fog. This is known as which fog type?
• How are METAR and TAFs structured?
• What are the required ingredients for thunderstorm development?
• A front in meteorology is best described as which of the following?
• What is the primary purpose of ensemble forecasts?
• Which factor is correctly identified as the boundary layer?
• What features are shown on a surface weather map?
• What is the minimum height above the surface for BKN to be considered a ceiling?
• Define boundary layer wind shear and its significance.
• When are METARs issued?
• Which statement about a dry line is correct?
• How is relative humidity defined?
• What is relative humidity and how is it related to dew point?
• What does Moderate Turbulence symbol look like?
• On surface weather maps, wind barb symbols primarily convey:
• What is the goal when using Winds Aloft data to plan altitude?
• Which agency currently monitors Weather Watches?
• What does AWW stand for in aviation weather alerts?
• Which color denotes a Low Pressure area on a Surface Analysis Chart?
• Inflight advisories notify enroute pilots of the possibility of encountering ______ flying conditions that may not have been forecast at the time of preflight briefing.
• What best describes Weather Watch and Weather Warning?
• The left column of Low-Level Prognostic Charts is forecasted for how many hours?
• During a moist adiabatic ascent, why does the parcel cool more slowly than a dry parcel?
• What does CAPE measure?
• What are mountain and valley winds?
• Where can FAA definitions of LIFR, IFR, MVFR, VFR be found?
• Latent heat release during condensation in cloud formation tends to:
• When are convective SIGMETs issued and how long are they valid?
• If your destination airport has a ceiling less than 3000 ft and/or a visibility less than 3 SM, you need to file for an Alternate airport.
• What does the term ceiling refer to in aviation meteorology?
• How does front movement affect temperature, dew point, and wind on a map?
• A Skew-T log-P diagram displays which elements?
• In which region is a dryline most characteristic?
• Cold Front symbol on weather charts is depicted by which of the following?
• What sky cover is represented by FEW in METAR coding?
• What is radar reflectivity and how is it interpreted?
• Which term describes the best visibility over more than half the horizon?
• Dew point temperature is the temperature at which air becomes saturated; when air cools to the dew point, dew or fog forms.
• What are preliminary messages issued in order to alert users that a Severe Weather Bulletin (WW) is being issued?
• Isotherms connect points of equal temperature; what do they indicate and how are they used?
• Which cloud type is most commonly associated with thunderstorms?
• Which altitude range correctly defines the base height for high clouds?
• What is the difference between climate and weather?
• Explain the difference between forecast verification and forecast skill.
• How does snow form?
• What is a dryline and where is it typically found?
• Which processes contribute to precipitation formation as described?
• On a surface analysis chart, which feature depicts the measurement of atmospheric pressure?
• METARS wind direction is reported in degrees which of the following?
• What is a METAR?
• Low Level Significant Weather Prognostic Charts forecast conditions from the surface to _____ feet MSL.
• What does a Cold Front look like on a Chart?
• What three criteria are you looking for on a TAF to figure out if you will need to file for an Alternate airport?
• What instrument or method is used to determine dew point?
• Which factor indicates a higher potential for thunderstorm development?
• What are the two types of weather reports?
• On surface weather observations, how are wind direction and speed typically reported?
• If the destination forecast indicates ceiling 3500 ft and visibility 4 SM, should you file for an alternate?
• Which sky conditions count as ceilings in aviation meteorology?
• If any portion of your flight will be in IMC, you shall obtain a brief from a DoD qualified ______ or an approved Weather Service.
• On weather maps, which feature is an elongated area of relatively higher pressure (or higher heights in the upper air)?
• What does the turbulence notation (160/90) indicate?
• How should forecast uncertainty be communicated?
• Which statement best describes the weather associated with a warm front?
• Weather Depiction Charts are a visual representation of METARS and MVFR.
• How does sleet form?
• What is the standard dry adiabatic lapse rate in degrees Celsius per 1000 meters?
• Which instrument measures dew point by comparing dry-bulb and wet-bulb temperatures?
• What is the boundary layer and its typical depth?
• What is the purpose of METAR and how often is it updated?
• In METAR sky condition codes, what does BKN indicate?
• Hygroscopic growth affects cloud droplets by what process, and how does it influence precipitation formation?
• Surface Analysis Charts provide which type of air information?
• What is a jet stream?
• What are the three types of AIRMETS?
• What is the difference between a warm front and a cold front in terms of air mass interaction and weather?
• Which data sources are used to initialize numerical weather prediction models?
• Which air mass commonly originates over hot, dry desert regions?
• What does Severe Turbulence symbol look like?
• Which term describes the urban heat island effect?
• How do isobars relate to wind speed?
• Which statement best differentiates the environmental lapse rate from the dry adiabatic lapse rate?
• Which section should contain the Takeoff Data in the DD 175-1 form?
• Which instrument measures atmospheric pressure?
• Advection fog forms under which conditions?
• Weather Depiction Charts display IFR, VFR, and MVFR.
• Which statement about a cold front affects weather?
• Which letter denotes a High Pressure area on a Surface Analysis Chart?
• Why is the moist adiabatic lapse rate typically lower than the dry adiabatic lapse rate?
• On a Surface Analysis Chart, how can you identify a High Pressure area?
• What sky cover is represented by SCT in METAR coding?
• Which of the following is the Aerodrome Forecast section in the DD 175-1 Flight Weather Brief form?
• The right column side of Low-Level Prognostic Charts is forecasted for how many hours?
• What is the typical environmental lapse rate in the lower troposphere?
• How does the Coriolis effect influence mid-latitude cyclone tracks?
• What does an occluded front look like on a Chart?
• What is the fifth main section of the DD 175-1 Flight Weather Brief form?
• Which atmospheric process yields precipitation by raindrop coalescence in warm clouds?
• Which statement about the planetary boundary layer height is accurate?
• On a Surface Analysis Chart, how can you identify a Low Pressure area?
• What best describes a moist adiabatic process?
• What does a Warm Front look like on a Chart?
• Where can you find the UHF frequencies for specific PMSVs?
• In METAR coding, what does BR stand for?
• Which statement best defines wind chill?
• On a surface weather map, how is a cold front characterized?
• Define boundary layer stability and aloft stability, and explain their implications for convection.
• Which of the following is commonly forecast in a TAF?
• What is radiational cooling and when does it occur?
• Which option correctly pairs a main air mass type with its source region?
• Which symbol represents a Warm Front on weather charts?
• Which statement correctly contrasts stable and unstable atmospheric conditions?
• Which statement best describes the approximate values for the dry adiabatic lapse rate and the moist adiabatic lapse rate?
• Which description best characterizes stratus clouds?
• What does PoP quantify in a forecast?
• What does TAF stand for in aviation weather terminology?
• What is a dry line and where is it most commonly found?
• Surface analysis charts present _____ weather observations.
• Latent heat and thunderstorms: what is its role?
• Which agency issues Severe Weather Forecasts and Severe Weather Forecast Alerts (WW/AWW)?
• Sleet consists of what?
• Which thresholds are used to determine the need for an alternate airport?
• How early in advance can you send your flight plan to a DoD Weather Forecaster to obtain your Weather Brief?
• Which symbol indicates Moderate Turbulence on weather charts?
• What type of advisory are unscheduled inflight, flow control, air traffic, and air crew advisory that is a supplement to an existing SIGMET, C-SIGMET, or AIRMET?
• The direction of winds is always FROM.
• METARS and TAFs are a ______________ teletype presentation.
• What term describes the metric that compares forecast performance to a reference forecast such as climatology or persistence?
• How do you differentiate between stratiform and convective precipitation in weather maps?
• What is icing and what conditions produce it?
• If the destination forecast indicates ceiling 2900 ft and visibility 4 SM, what action should you take?
• If your TAF visibility reads 8000, what unit is it in and how do you convert it?
• Which type of AIRMET is related to IFR and mountain obscurations?
• What does a Stationary Front look like on a Chart?
• METARS displays Wind direction in degrees ______.
• What is the difference between a trough and a ridge on weather maps?
• What causes adiabatic cooling?
• What is the void time for Weather Brief?
• What is the difference between visibility and ceiling?
• Which precipitation type is typically associated with thunder and gusty winds and is often scattered and intense?
• Which atmospheric process yields precipitation by raindrop coalescence in warm clouds?
• Which of the following best describes a thunderstorm anvil?
• Name a primary microburst hazard.
• Isohyets refer to lines of equal precipitation; what is their primary use?
• METARs are issued within which window on the hour?
• What is a nor'easter and what meteorological features characterize it?
• Which document should pilots consult for official definitions of flight categories such as LIFR and MVFR?
• On weather maps, which feature is an elongated area of relatively lower pressure (or lower heights in the upper air)?
• How is a weather forecast trend determined?
• What is the designation of the Flight Weather Brief form?
• Which condition indicates mature convection in a thunderstorm?
• What is an urban heat island and its weather impact?
• What is a squall line and what weather does it indicate?
• T/F: BKN000 is a ceiling.
• An AWW looks for four specific activities prior to issuing WW. Which of the following is NOT one of them?
• The top row of Low-Level Prognostic Charts is forecasted for what?
• Center Weather Advisories (CWA) supplement existing advisories such as SIGMET, C-SIGMET, or AIRMET. Which of the following is not a current advisory type that CWAs supplement?
• When identifying the best altitude to fly at in accordance with the Winds Aloft Chart, what are you looking for?
• How do satellite infrared images help meteorologists?
• If the destination forecast indicates ceiling 3200 ft and visibility 2.5 SM, what action should you take?
• What is the standard dry adiabatic lapse rate in degrees Fahrenheit per 1000 feet?
• Higher CAPE implies what about updrafts?
• Which of the following is NOT one of the five main sections of the DD 175-1 Flight Weather Brief form?
• What is the role of jet streams in weather systems?
• Define absolute humidity, specific humidity, and mixing ratio.
• Which altitude range correctly defines the base height for middle clouds?
• On a surface weather map, isobars indicate lines of equal atmosphereic pressure. Which option best matches this statement?
• When you see the numbers '9900' on Winds-Aloft chart, what does that mean?
• What is radar clear air mode and why is it used?
• Which statement best describes the boundary layer in weather forecasting?
• What defines a stationary front?
• What is synoptic meteorology focused on?
• Which are examples of isopleths?
• How does rain form?
• On a surface chart, an isobar indicates which of the following?
• Which data source is not typically used to initialize numerical weather prediction models?
• Upslope fog forms when moist air is forced up a terrain feature such as a slope. Which fog type is this?
• Which instruments measure wind speed and wind direction?
• Which statement best describes what happens when a front passes?
• Which altitude range correctly defines the base height for low clouds?
• When checking the TAF during your flight planning, you need to check the timeframe of ___ hour before, and ____ after your ETD and/or ETA.
• Name three cloud types associated with stable versus unstable conditions.
• What sky cover is represented by OVC in METAR coding?
• The bottom row of Low-Level Prognostic Charts is forecasted for what?