Meteorology Worksheet-1

AS 321 Meteorology Worksheet Name: _______________________ Date: __________ e. MIFG: More or less continuous shallow fog f. SHRA: moderate rain showers g. BLPY: blowing spray 11. Describe the following as to what the section IS and not the values unless specified: KGSO 081740Z 0818/0918 32011G18KT P6SM FEW050 BKN220 TEMPO 0818/0819 31015G25KT FM090000 35009G18KT P6SM BKN200 KGSO 081740Z 0818/0918 32011G18KT P6SM FEW050 BKN220 Station identifier_Date/Time__valid period date and time___ wind 320 at 11 gust 18 visibility more than 6 sm sky condition few at 5000, broken at 22000 TEMPO any conditions in wind, visibility, weather, or sky condition which are expected to last for generally less than an hour at a time 0818/0819 31015G25KT From 08 date 18:00 zulu /To 08 date 19:00 zulu __ Wind310 |at 15 |gust 25knots FM when a rapid change, usually occuring in less than one hour, in prevailing conditions is expected FM090000 35009G18KT P6SM BKN200 After 09 day, 0000zulu wind 350 |at 9kts |Gust 18kts visibility more than 6sm sky condition broken at 20000 12. Around a LOW pressure wind 1) counterclockwise , 2) cyclonic circulation & 3) Bad weather due to rising air 13. Around a HIGH pressure wind 1) clockwise flow , 2)Anti-cyclonic circulation & 3) Dry,descending air & good weather 14. How far should you stay away from TS? 20 miles . WHY? You can encounter hail and violent turbulences anywhere within 20 miles of very strong thunderstorms 15. Dewpoint is: Temperature the air needs to be cooled in order to achieve a relative humidity of 100%. 16. When does dew form: When the temperature becomes equal to the dewpoint 17. When does frost form: When the temperature of the surface falls below the frost point 18. The four types of clouds are, and are characterized by what altitudes: a. high level clouds _______________ above 20000ft _ b. mid-level clouds ________________ 6500~20000ft _ c. Low level clouds _________________ below 6500ft __ d. cumulous _________________ NA 19. Be aware of fog formation when the temp and DP is within _2_________ degrees ___5 Fahrenheit _____. 20. The three ingredients for a thunderstorm are: a. moisture b. instability c. lifting 21. The three stages for a thunderstorm are (note the characteristics too): Page 2 of 4