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Date: Fri, 25 Apr 2003 04:47:39 -0500
From: SIU Weather Processor <[email-masked]>
Subject: Pacific-EN: Tropical Weather Discussion
Sender: WX-TROPL Tropical Storm and Hurricane WX products
<[email-masked]>
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X-Perlmx-Spam: Gauge=XXIIIIII, Probability=26%, Report=LINES_OF_YELLING,
LINES_OF_YELLING_2, LINES_OF_YELLING_3, SPAM_PHRASE_02_03,
TO_BE_REMOVED_REPLY, UPPERCASE_50_75, __UPPERCASE_50_75

AXPZ20 KNHC 250947
TWDEP

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1005 UTC FRI 25 APR 2003

EASTERN PACIFIC OCEAN FROM 32N TO THE EQUATOR...EAST OF 140W.

SPECIAL FEATURES...
NONE.

BASED ON 25/0600 UTC SURFACE SYNOPTIC ANALYSIS...
..WEAK TROUGH ALONG 119W FROM 6N-12N.  ISOLATED SHOWERS WITHIN
45 NM OF TROUGH AXIS.
..COLD FRONT EXTENDS FROM 32N122W 29N130W TO BEYOND 27.5N140W.
FRONT IS MARKED BY 90 NM WIDE BAND OF BROKEN LOW CLOUDS.
OVERCAST DECK OF MIDDLE CLOUDS IS N OF 29N W OF 127W.
..HIGH PRESSURE RIDGE E OF COLD FRONT WITH RIDGE AXIS NARROWING
FROM W TO E ALONG 25N124W TO 14N100W.

INTERPRETATION OF SATELLITE IMAGERY THROUGH 25/0915 UTC...

ITCZ...
AXIS OF ITCZ-RELATED CLOUDS/CONVECTION IS CENTERED ALONG 4N77W
8N87W 5N107W 8N120W 5N127W 6N140W.  A CLUSTER OF MODERATE/STRONG
CONVECTION IS ON THE COLOMBIAN COASTLINE NEAR 4N77W.  ISOLATED
MODERATE WITHIN 30 NM OF AXIS BETWEEN 80W-85W.  WIDELY SCATTERED
MODERATE WITHIN 60 NM OF 7N97W.  SCATTERED MODERATE WITHIN 30 NM
OF LINE 4N135W 6N139W.  ISOLATED WEAK CONVECTION/SHOWERS WITHIN
90 NM OF AXIS FROM 105W-130W.

ELSEWHERE SOUTH OF 32N...
CLUSTER OF STRONG CONVECTION IS NEAR 8N82W SW OF PANAMA.
ISOLATED MODERATE WITHIN 60 NM OF 10N94W AND LINE 10N100W
11N108W.

BROAD W-SW FLOW IS S OF 27N TO LINE 10N140W 19N104W ADVECTING
LESS MID/UPPER MOISTURE THAN YESTERDAY.  TROUGH AXIS IS ALONG
ABOUT 130W BUT THE FLOW IS ONLY WEAKLY CYCLONIC IN THE AREA N OF
27N.  AN UPPER HIGH CENTERED NEAR 13N103W IS CONTROLLING THE
WEATHER IN THE REST OF THE EPAC.

$$
BLAKE

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