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
medium
(Refer to Figure 15.) You are planning a daytime VFR departure from KMEM at 2100Z on the issuance day of the TAF. Based on the forecast, the greatest risk of turbulence during departure is due to
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 77.) According to the Chart Supplement excerpt, which telephone number provides access to the ASOS weather observations for Pierre Regional Airport (PIR)?
hard
Clear skies and calm surface winds exist at sunset when the temperature is 75°F. Radiational cooling is expected to produce a 5°F temperature decrease during the first hour after sunset, followed by 3°F decreases each hour thereafter. What is the approximate surface temperature 4 hours after sunset?
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
You are preflight planning a VFR cross-country flight tomorrow afternoon whose route crosses an area under a Day 1 Slight Risk on the Convective Outlook. TAFs at departure, en route, and destination airports forecast VFR conditions with no thunderstorms mentioned. What is the most appropriate next step in your weather assessment?
medium
(Refer to the Low-Level Significant Weather Prognostic Chart.) The vertical thickness of the moderate turbulence layer indicated by the symbols 100/070 is
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
medium
During preflight planning, the surface temperature at the departure airport is 14°C. Using the standard atmospheric lapse rate of 2°C per 1,000 feet, what is the approximate altitude of the freezing level above the surface?
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
Referring to the Chart Supplement excerpt shown in the provided figure, which listed resource at Pierre Regional Airport (PIR) provides a continuous broadcast of Hazardous Inflight Weather Advisory Service (HIWAS) information that includes advisories on turbulence?
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?
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
easy
During preflight planning for a VFR flight, you observe that the digital weather information on your aircraft's multifunction display (MFD) has not updated for 20 minutes and shows potential icing conditions along your route. What is the most effective way to mitigate the risk associated with this situation?
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
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?
easy
(Refer to Figure 12.) For flight planning purposes, the weather reports shown in the figure are issued by which of the following sources?
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?
hard
Refer to the Airplane Landing Distance Graph. Under which of the following runway surface conditions are the landing distances provided applicable?
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
(Refer to Figure 19.) For flight planning purposes, the low-level significant weather prognostic chart shown, which depicts weather conditions from the surface to 400 mb, is a product provided by which source?
medium
(Refer to Figure 19.) The Low-Level Significant Weather Prognostic Chart provides forecast significant weather from the surface up to
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?
medium
Referring to the Low-Level Significant Weather Prognostic Chart displayed on the flight deck instrument, the symbol defined in the legend as 'Ceiling less than 1,000 feet and/or visibility less than 3 miles' indicates
hard
For a VFR flight planned from 1300Z to 1600Z, the 1200Z-issued Day 1 Convective Outlook shows the entire route of flight within an Enhanced Risk area valid through 2000Z. The primary preflight planning consideration from this product is
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?