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Date: Sat, 12 Feb 2005 03:31:48 -0600
From: SIU Weather Processor <[email-masked]>
Subject: Pacific-EN: Tropical Weather Discussion
Sender: WX-TROPL Tropical Storm and Hurricane WX products
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X-Perlmx-Spam: Gauge=XXXIIIIIIII, Probability=38%,
Report='HASHBUSTER_BLOCK_V2 3.4, LINES_OF_YELLING_3 0.671,
__HASHBUSTER_BLOCK_V2_1 0, __HAS_MSGID 0, __LINES_OF_YELLING 0, __SANE_MSGID 0'

AXPZ20 KNHC 120931
TWDEP

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1005 UTC SAT FEB 12 2005

TROPICAL WEATHER DISCUSSION FOR EASTERN PACIFIC OCEAN FROM
EQUATOR TO 32N...EAST OF 140W. THE FOLLOWING INFORMATION IS
BASED ON SATELLITE IMAGERY...WEATHER OBSERVATIONS...RADAR...
AND METEOROLOGICAL ANALYSIS.

BASED ON 0600 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH
0900 UTC.

..ITCZ...
INTERTROPICAL CONVERGENCE ZONE...2N80W 4N90W 2N100W 9N120W
6N140W. NO SIGNIFICANT CONVECTION.

DISCUSSION...
W OF 125W
MID TO UPPER LEVEL RIDGE COVERS THE AREA N OF 20N WITH MODERATE
TO STRONG SUBSIDENCE..DRY AIR ALOFT. A 90-100 KT WIND MAX ENTERS
THE AREA NEAR 28N140W TO 32N125W. SURFACE HIGH PRES CENTER IS
ANALYZED NEAR 26N133W...1018 MB. UPPER LEVEL CYCLONIC
CIRCULATION NOTED ON WATER VAPOR IMAGERY NEAR 13N135W WITH
TROUGH SW TO 8N139W MOVING RAPIDLY EWD.

E OF 125W
MID/UPPER LEVEL TROUGH EXTENDS FROM CYCLONIC CIRCULATION OVER
SOUTHERN CALIFORNIA TO 17N118W. MODERATE TO STRONG SUBSIDENCE
COVERS THE AREA N OF 10N W OF 115W. A 100 KT JET STREAM EXTENDS
FROM SOUTHERN BAJA NE INTO NEW MEXICO. THE JET IS ADVECTING
ABUNDANT TROPICAL MOISTURE INTO THE SW UNITED STATES.
DISSIPATING OCCLUDED FRONT EXTENDS FROM 32N113W TO 26N114W THEN
BECOMES DISSIPATING COLD FRONT TO 18N115W. A 1018 MB HIGH PRES
IS JUST E OF THE FRONT ALONG THE TIP OF THE BAJA PENINSULA NEAR
24N10W...WITH A SURFACE TROUGH JUST E OF THE HIGH PRES FROM
23N108W TO 12N115W. A LARGE MID/UPPER LEVEL ANTICYCLONIC
CIRCULATION IS E OF THE TROUGH OVER CENTRAL AND SOUTHERN MEXICO.
STRONG SUBSIDENCE NOTED S OF 20N E OF 110W...EXCEPT FOR A FEW
SHOWERS ALONG THE ITCZ.

STATIONARY FRONT ALONG THE MOUNTAINS OF MEXICO WITH HIGH PRES IN
THE GULF OF MEXICO WILL KEEP GALE CONDITIONS IN THE GULF OF
TEHUANTEPEC FOR ABOUT ANOTHER 12 HOURS.

$$
DGS

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