Weather Flashcards
Behavior of low pressure areas in the northern hemisphere
-Inward
-Upward
-Counterclockwise
Why does the wind tend to flow parallel to isobars? (areas of equivalent pressure)
The Coriolis effect
Behavior of high pressure areas in the norther hemisphere
-Outward
-Downward
-Clockwise
standard atmosphere
Air temp: 15C
Pressure: 29.92
standard lapse rate
2 degrees C per 1000ft
types of fog
Radiation fog
advection fog
upslope fog
precipitation induced fog
steam fog
Minimum horizontal distance from thunderstorm cell
20 miles
Three conditions required for thunderstorm cloud development
-lifting force
-unstable air
-moisture
Reporting severity of turbulence
-light turbulence
-light chop
-moderate turbulence
-moderate chop
-severe turbulence
-extreme turbulence
Reporting frequency of turbulence
-occasional ( < 1/3 of the time)
-intermittent ( 1/3 - 2/3 of the time)
-frequent ( > 2/3 of the time)