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Date: Thu, 06 Jan 2005 03:23:46 -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 060923
TWDEP

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1005 UTC THU JAN 06 2005

TROPICAL WEATHER DISCUSSION FOR THE EASTERN PACIFIC OCEAN FROM
THE 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
0845 UTC.

..ITCZ...

ITCZ AXIS IS CENTERED ALONG 3N78W 6N99W 7N116W 7N140W. ISOLATED
MODERATE CONVECTION NEAR 6N100W.

..DISCUSSION...

W OF 110W...
A ZONAL UPPER WIND PATTERN EXISTS OVER THE AREA WITH A SHORTWAVE
TROUGH ALONG 127W MOVING E 40 KT. A WEAK COLD FRONT IS
ASSOCIATED WITH THE SHORTWAVE. THE FRONT HAS A 100 NM WIDE BAND
OF CLOUDS WITH IT BUT NO SIGNIFICANT CONVECTION.

UPPER RIDGE CENTERED NEAR 10N118W STATIONARY. SUBSIDENCE IN
RIDGE NOT ALLOWING CONVECTION TO DEVELOP ON ITCZ. HIGH CLOUDS
BETWEEN 15N AND 20N ROTATING AROUND RIDGE.

E OF 110W...
A WEAK UPPER TROUGH EXTENDS FROM 10N100W TO 3N110W. WATER VAPOR
IMAGERY SHOWS VERY DRY CONDITIONS OVER THE ENTIRE AREA. ONLY
ISOLATED CONVECTION IS NOTED ON THE ITCZ NEAR 6N110W JUST SE OF
TROUGH AXIS WHERE ANTICYCLONIC SHEAR EVIDENT IN UPPER WINDS.

$$
RRG

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