IRFP-01
Metro Review
SUBTROPICAL
TROPOPAUSE
PO
L
TRO OR
SE
AL
POP
C AU
AU
PI P
SE
O PO
TR RO
T
25,000'
60,000'
SUBTROPICAL
JET STREAM
(approx. 39,000')
60
30
EQ
U
AT
POLAR
OR
JET STREAM
(approx. 30,000')
3,000-7,000 Ft Thick
100-400 Miles Wide
1,000-3,000 Miles Long
JET STREAM
Figure 11: POLAR JET STREAM
(8-97) Original
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