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Date: Tue, 27 Jan 2004 15:34:55 -0600
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=XXXIII, Probability=33%, Report='UPPERCASE_75_100 1.489,
HASHBUSTER_BLOCK_V2 1.454, LINES_OF_YELLING_3 0.671, LINES_OF_YELLING 0.001,
LINES_OF_YELLING_2 0.001, TO_BE_REMOVED_REPLY 0.000'

AXPZ20 KNHC 272135
TWDEP

TROPICAL WEATHER DISCUSSION
TPC/NATIONAL HURRICANE CENTER MIAMI FL
2205 UTC TUE 27 JAN 2004

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

THE TROPICAL ANALYSIS AND FORECAST BRANCH OF THE NATIONAL
HURRICANE CENTER/TROPICAL PREDICTION CENTER IS CONSIDERING
CHANGING THE FORMAT OF THIS PRODUCT. A SUMMARY OF THE PROPOSED
CHANGES AND AN EXAMPLE ARE POSTED AT THE FOLLOWING WEB ADDRESS:
WWW.NHC.NOAA.GOV/NEWTWDFORMAT.SHTML (ALL LOWERCASE). THE
EVALUATION PERIOD WILL END APRIL 30 2004.  DURING THIS PERIOD WE
ENCOURAGE YOUR COMMENTS OR SUGGESTIONS FOR IMPROVEMENTS. A LINK
TO A FEEDBACK FORM IS AVAILABLE ON THE WEB SITE GIVEN ABOVE.
YOUR FEEDBACK WILL HELP US TO DETERMINE PRODUCT QUALITY...IF
MODIFICATIONS ARE NEEDED...AND WHETHER THE PROPOSED CHANGES WILL
BE ADOPTED. IN QUESTION 8 OF THE SURVEY...PLEASE STATE THAT YOU
ARE A USER OF THE EAST PACIFIC TROPICAL WEATHER DISCUSSION...AND
WHETHER YOU PREFER THE OLD OR THE PROPOSED NEW VERSION.

SPECIAL FEATURES...
NONE.

SURFACE SYNOPTIC ANALYSIS VALID 27/1800 UTC...
..A 1029 MB HIGH IS CENTERED NORTH OF THE REGION NEAR 35N140W.
A RIDGE EXTENDS SE FROM THE HIGH THROUGH 32N133W 26N124W TO
21N110W.  HIGH PRES COVERS THE AREA N OF 12N W OF 108W.
..STRONG HIGH PRES OVER THE WESTERN GULF OF MEXICO IS PRODUCING
A TIGHT PRESSURE GRADIENT OVER THE ISTHMUS OF TEHUANTEPEC.
THE RESULT IS GALE FORCE WINDS OVER THE GULF OF TEHUANTEPEC.

INTERPRETATION OF SATELLITE IMAGERY THROUGH 27/2100 UTC...AXIS
OF ITCZ RELATED CLOUDS 4N78W 5N92W 4N104W 8N120W 8N130W 7N140W.
THERE IS NO SIGNIFICANT CONVECTIVE ACTIVITY ALONG THE ITCZ
AXIS.

ELSEWHERE S OF 32N...
WIDELY SCATTERED MODERATE CONVECTION IS WITHIN 30 NM OF LINE
12N122W 11N125W. ELSEWHERE FROM 11N TO 15N BETWEEN 112W AND
134W...BROKEN TO OVERCAST LOW/MID LEVEL CLOUDS WITH EMBEDDED
ISOLATED SHOWERS ARE NOTED. BROKEN TO SCATTERED STRATOCUMULUS
CLOUDS EXIST FROM 17N TO 29N BETWEEN 117W AND 134W.

$$
BROWN

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