METC Exam 3 Pt 3

what time of the year do you use a 300 mb chart

winter (9000m)

what time of the year do you use a 250 mb chart

Spring/fall (10,000m)

what time of the year do you use a 200 mb chart

summer (12,000m)

typical height of the 250 mb surface

10,000m

height contour interval

12 Dm (120m)

Reference height for 250 mb

900Dm

what is not plotted on 250 mb chart?

Td

the jet stream is where in Summer

north

the jet stream is where in the winter

south

add __ to the end (Dm) and add __ to the front

0,1

982 would be in 250 mb

10,982

The Jet stream is a

band of strong winds (isotachs), separates warm air from cold

Jet streaks are the

fasets winds in the Jet stream

If the jet position is south of you, the temp is

cold

If the jet position is north of you, the temp is

warm

If the jet position is over you, the temp is

average

LEX is most potent bc

strongest divergence and cyclogenesis

The jet stream in winter is ____ __ and

further south, faster

The jet stream in summer is ____ __ and

farther north, slower

The jet stream in spring/fall moves ____ ___ ____ and

back and forth, variable