For Question 341 select "B", "C" or "D" ("A" is selected only as an example)!
341. What information is provided by the Radar Summary Chart that is not shown on other weather charts?
A) None of the below. B) Lines and cells of hazardous thunderstorms. C) Ceilings and precipitation between reporting stations. D) Types of couds between reporting stations.
342. (Refer to figure 20.) Interpret the weather symbol depicted in Southern California on the 12-hour Significant Weather Prognostic Chart.
A) Moderate turbulence, surface to 18,000 feet. B) Thunderstorm tops at 18,000 feet. C) Base of clear air turbulence, 18,000 feet. D) None of the above.
343. (Refer to figure 18.) What weather phenomenon is causing IFR conditions along the coast of Oregon and California?
A) Squall line activity. B) Low ceilings. C) Heavy rain showers. D) None of the above.
344. (Refer to figure 18 above.) The marginal weather in southeast New Mexico is due to:
A) reported thunderstorms. B) 600-foot overcast ceilings. C) low visibility. D) None of the above.
345. (Refer to figure 18 above.) Of what value is the Weather Depiction Chart to the pilot?
A) For determining general weather conditions on which to base flight planning. B) For a forecast of cloud coverage, visibilities, and frontal activity. C) For determining frontal trends and air mass characteristics. D) None of the above.
346. (Refer to figure 18 above.) The IFR weather in eastern Texas is due to:
A) intermittent rain. B) fog. C) dust devils. D) None of the above.
347. (Refer to figure 18 above.) What is the status of the front that extends from New Mexico to Indiana?
A) Stationary. B) Occluded. C) Retreating. D) None of the above.
348. (Refer to figure 18 above.) According to the Weather Depiction Chart, the weather for a flight from central Arkansas to southeast Alabama is:
A) broken clouds at 2,500 feet. B) broken to scattered clouds at 25,000 feet. C) visibility from 3 to 5 miles. D) None of the above.
349. What is indicated when a current CONVECTIVE SIGMET forecasts thunderstroms?
A) Moderate thunderstorms covering 30 percent of the area. B) Moderate or severe turbulence. C) Thunderstorms obscured by massive cloud layers. D) None of the above.
350. The suffix "nimbus," used in naming clouds, means:
A) a cloud with extensive vertical development. B) a rain cloud. C) a middle cloud containing ice pellets. D) None of the above.