Metro-03
Meteorology Review
?
What are some of the differences between weather
associated with a cold front and weather associated
with a warm front?
ANSWER:
1. Cold front weather is usually associated with unstable air,
cumulus clouds, and thunderstorms.
2. Warm front weather is usually more stable, bringing low
clouds and continuous or steady precipitation.
B.
Cold front
Sg 2, fr 4
Fig 1: Cold Front
1.
Characteristics
a.
Predominantly cumulus clouds
b.
Thunderstorms and occasional squall lines
(seasonal)
c.
Turbulence and unstable air
d.
Strong, gusty winds
e.
Showery precipitation
f.
Clearing skies and good visibility after frontal
passage
2.
Wind changes
a.
Before passage, wind flows parallel to (along)
the front
b.
After passage, wind flows perpendicular to front
(1) Follows prevailing wind in same direction as
front movement (perpendicular to front)
(2) Generally stronger due to steeper pressure
gradient of colder airmass
(7-97) Original
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