easy
A Terminal Aerodrome Forecast (TAF) provides
easy
(Refer to Figure 12.) Which airport's METAR report most likely indicates a continental air mass?
medium
Refer to the provided figure. For specific terminal forecasts during preflight planning, a pilot should
easy
While preflight planning, you are reviewing the Graphical Forecast for Aviation (GFA). A yellow shaded area labeled 'MOD' along your proposed route at the planned cruise altitude indicates
medium
(Refer to the provided figure.) The cloud symbol depicted on the sectional chart excerpt indicates
medium
Refer to Figure 19, Low-Level Significant Weather (SIGWX) Prognostic Chart. The symbol labeled 'Freezing level at surface' indicates conditions that, for preflight planning, require the pilot to
easy
Windshear is best described as
easy
Which weather phenomenon is forecast in the following TAF for the temporary period from 1400Z to 1800Z on the 10th? TAF KABC 101130Z 1012/1112 14008KT 6SM BR BKN030 TEMPO 1014/1018 3SM RA BR OVC020
easy
You are conducting preflight planning for a daytime VFR cross-country flight when your weather briefing reveals a Convective SIGMET indicating severe thunderstorms with possible microbursts along your intended route. What is the best course of action?
hard
(Refer to the provided figure.) According to the Day 1 Convective Outlook depicted, the shaded region covering eastern Kansas and western Missouri indicates what level of severe thunderstorm risk for the valid period?
hard
Refer to Figure 12. A pilot reviewing current airport observations for preflight planning notes that one report indicates the recent onset of rain. That airport is
hard
You are preflight planning a VFR departure from a small inland airport at 1100 local time. The latest METAR reports a temperature of 10°C and dew point of 7°C under clear skies. The TAF forecasts surface temperatures rising to 24°C by afternoon with light winds and no precipitation. Given the expected heat exchange between the Earth's surface and the overlying air, what is the MOST significant hazard during your takeoff and initial climb?
hard
Refer to the Low-Level Significant Weather Prognostic Chart (Figure 19). Your destination airport is located within the area depicted by the symbol indicating ceiling less than 1,000 feet and/or visibility less than 3 miles. For the specific forecast at that terminal, the chart instructs the pilot to
hard
(Refer to the provided figure.) For preflight planning to avoid icing, a sectional chart legend depicts mountain passes such as '11823 (Elevation of Pass)'. The forecast freezing level is 9,000 feet MSL. Which statement is most accurate?
medium
(Refer to Figure 12.) According to the aviation routine weather reports (METAR) depicted in the figure, which of the following types of information is NOT provided?
hard
(Refer to Figure 15.) What percentage of the KOKC TAF valid period is covered by the PROB40 forecast for TSRA?
medium
Referring to Figure 19, the Low-Level Significant Weather (SIGWX) Prognostic Charts, for preflight planning the shaded areas depicting 'Ceiling less than 1,000 feet and/or visibility less than 3 miles' provide forecast information applicable primarily to
medium
During a preflight inspection for a VFR departure, you observe a thin layer of white frost covering the leading edges of the wings. The current METAR reports a temperature of 2°C and dew point of 1°C, with sunny conditions expected soon. What is the most appropriate action regarding the frost?
hard
Surface weather observations at the destination airport indicate the following sequence: initially, temperature 78°F, dew point 72°F, wind 210° at 15 knots with broken cumulonimbus clouds and occasional thunderstorms; followed by a rapid wind shift to 350° at 20 knots, temperature dropping to 58°F, dew point 52°F, skies clearing to scattered cumulus. This sequence most likely indicates the passage of
medium
Refer to Figure 15. The first PROB40 group in the KMEM TAF indicates
medium
Referring to the METAR reports in the figure, the weather conditions at which airport are most characteristic of a warm front?
easy
A METAR from an international airport reports visibility 4000 meters due to haze. This visibility is approximately
hard
You are preflight planning a VFR cross-country flight that must cross a prominent north-south oriented mountain ridge where terrain elevations reach 5,000 feet MSL. The winds aloft forecast at 8,000 feet MSL indicates 35 knots from 090° (east). Recent pilot reports mention moderate turbulence in the vicinity of the ridge line. The MOST likely cause of the reported turbulence is
medium
During preflight planning for a daytime VFR cross-country flight, a pilot reviews weather data indicating a surface temperature inversion, persistent low stratus clouds with little vertical development, and PIREPs reporting smooth air conditions. This combination suggests the atmosphere is
medium
You are preflight planning a VFR cross-country flight when the Flight Service briefer issues a Convective SIGMET for severe or embedded thunderstorms, including microbursts, along your proposed route. The SIGMET is valid throughout the duration of your flight. What is the most appropriate course of action?
hard
Refer to the provided figure. Which of the weather data sources listed in the Chart Supplement for Sioux Gateway/Col Bud Day Field (SUX) provides routine current observations of cloud coverage and layer heights?
medium
You plan a daytime VFR departure from an uncontrolled airport located in Class G airspace. The initial METAR is: KXYZ 151200Z AUTO 00000KT 3SM BR BKN030 15/14 A3000. Shortly after, a SPECI is issued: KXYZ 151230Z AUTO 00000KT 1/4SM FG OVC003 14/14 A3000. What is the most appropriate action regarding your departure?
easy
Refer to the provided figure, which depicts a Convective Outlook chart. The area shaded yellow and labeled 'SLGT' indicates what level of risk?
medium
On a Surface Analysis Chart, a front depicted by semicircles protruding from one side of the line segment represents a
hard
(Refer to the provided figure, which depicts a Doppler weather radar image.) The low-altitude velocity pattern shows outbound velocities on one side of the cell and inbound on the other, forming a divergent signature. This pattern is characteristic of what thunderstorm-related hazard?
easy
For preflight planning of a VFR flight, which weather product provides the current weather observations at the departure airport?
easy
Which cloud type is typically associated with thunderstorms and severe weather?
medium
Refer to Figure 37, Airplane Landing Distance Graph. The landing distances shown are computed using which of the following runway surface conditions?