4 Middle Latitude Cyclones - Meteorology

A middle-latitude cyclone is:

• A large scale weather phenomenon that last a few days

• Based on changing conditions of air moving around low pressure

• A pressure system that consists of warm, cold, and occluded fronts

• All answers describe a MLC

Middle-Latitude Cyclones originate (form) where geographically?

• In the SW part of the USA

• In the NW part of the USA and/or SW Canada

• Directly North of Chicago

• Along the East coast

The direction in which air moves around a MLC is?

• Straight line winds

• Clockwise due to Coriolis Effect

• Counter-clockwise due to Coriolis Effect

• Divergence of air at the surface

(*2 parts) In general, MLCs move across the USA and can last for how long (# days)?

• From North to South; 2 days

• From South to North; 1 day

• From West to East; 2-4 days

• From East to West; 7 days (1 week)

The Warm Sector of an MLC has winds coming out of which direction?

• North

• Northwest

• East

• South

The Warm Sector of an MLC is the air mass associated with which air mass?

• mT

• cP

• cA

• mP

Based on the picture: Which letter will most likely have the warmest temperatures, be clear, and winds from the south?

• A

• B

• C

• D

• E

The Cold Sector of an MLC has winds blowing with a ________ (direction) component.

• South

• West

• North

• East

The Cold Sector of an MLC is the air mass associated with which air mass?

• mT

• cP

• cA

• mP

Based on the picture: Which location will most likely have cumulonimbus clouds visible?

• A

• B

• C

• D

• No location on the transect