Weather

Question 1

Behavior of low pressure areas in the northern hemisphere

Answer 1

-Inward
-Upward
-Counterclockwise

Question 2

Why does the wind tend to flow parallel to isobars? (areas of equivalent pressure)

Answer 2

The Coriolis effect

Question 3

Behavior of high pressure areas in the norther hemisphere

Answer 3

-Outward
-Downward
-Clockwise

Question 4

standard atmosphere

Answer 4

Air temp: 15C
Pressure: 29.92

Question 5

standard lapse rate

Answer 5

2 degrees C per 1000ft

Question 6

types of fog

Answer 6

Radiation fog
advection fog
upslope fog
precipitation induced fog
steam fog

Question 7

Minimum horizontal distance from thunderstorm cell

Answer 7

20 miles

Question 8

Three conditions required for thunderstorm cloud development

Answer 8

-lifting force
-unstable air
-moisture

Question 9

Reporting severity of turbulence

Answer 9

-light turbulence
-light chop
-moderate turbulence
-moderate chop
-severe turbulence
-extreme turbulence

Question 10

Reporting frequency of turbulence

Answer 10

-occasional ( < 1/3 of the time)
-intermittent ( 1/3 - 2/3 of the time)
-frequent ( > 2/3 of the time)

Question 11

Air mass thunderstorms:

Answer 11

-Isolated thunderstorms usually associated with convective lifting
-caused by surface heating
-lasting from 20 - 90 mins

Their lifecycle is limited because they cool the ground as they develop, cutting off the supply of moisture

Question 12

Frontal thunderstorms:

Answer 12

-steady state thunderstorms usually associated with fronts, converging winds, and troughs aloft
-can last many hours because precipitation falls outside the updraft area
-may generate squall lines

Question 13

Rate at which temp and dew point approach for the dry adiabatic lapse rate:

Answer 13

4.4f or 2.5c