Weather

Question 1

Sigmet (AIM 7-1-6)

Answer 1

issued as needed, valid 4 hours 1. severe icing 2. severe or extreme turbulence or clear air turbulence 3. widespread dust or sandstorm lowering visibility <3 miles 4. Volcanic ash

Question 2

Convective sigmet (AIM 7-1-6)

Answer 2

issued hourly H +55 valid 2 hours A. severe thunderstorms: 1. surface winds equal greater than 50 knots 2. hail at surface greater equal 3/4 inch 3. Tornadoes b. embedded thunderstorms c. line of thunderstorms d. thunderstorms precipitation greater equal heavy precipitation affecting 40% or more of area at least 3,000 square miles

Question 3

Airmet (AIM 7-1-6)

Answer 3

issued every 6 hours valid 6 hoursA. Sierra IFR conditions and/or extensive mountain obscurations B. Tango moderate turbulence, sustained surface winds 30 knots or greater C. Zulu moderate icing and freezing level heights

Question 4

2 types of clouds

Answer 4

Stratus

Cumulus

Question 5

Fog

Answer 5

Steam
Upslope
Radiation
Frontal
Advection