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Date: Tue, 20 Jan 2004 12:00:51 -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 201801
TWDEP

TROPICAL WEATHER DISCUSSION
TPC/NATIONAL HURRICANE CENTER MIAMI FL
1605 UTC TUE 20 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.

SPECIAL FEATURES...
NONE.

SURFACE SYNOPTIC ANALYSIS VALID 20/1200 UTC...
..1027 MB HIGH IS CENTERED NEAR 32N132W WITH RIDGE AXIS SW
THROUGH 25N140W.
..WEAK SURFACE TROUGH APPEARS TO BE DEVELOPING ALONG 9N111W
17N110W.

INTERPRETATION OF SATELLITE IMAGERY THROUGH 20/1500 UTC...
AXIS OF ITCZ RELATED CLOUDS AND CONVECTION IS CENTERED ALONG
5N77W 6N85W 4N90W 8N106W 11N113W 5N123W 3N140W. SCATTERED
MODERATE TO ISOLATED STRONG WITHIN 45 NM EITHER SIDE OF AXIS
NEAR 77W. SCATTERED MODERATE WITHIN 120 NM OF AXIS FROM 103W TO
108W. SCATTERED MODERATE WITHIN 60 NM EITHER SIDE OF AXIS NEAR
121W.

ELSEWHERE S OF 32N...
BROKEN TO OVERCAST MULTILAYERED CLOUDS WITH AREAS OF EMBEDDED
LIGHT RAIN AND ISOLATED RAINSHOWERS ARE FOUND FROM 10N TO 22N
BETWEEN 105W AND 115W. THIS CLOUDINESS AND PRECIPITATION IS
RELATED TO  DIVERGENT FLOW ALOFT E OF A DEEPENING E PACIFIC
SHORTWAVE TROUGH WITH AXIS CURRENTLY ALONG 24N121W 16N128W. A
FAIRLY BROAD STREAM OF E PACIFIC MOISTURE IS BEING ADVECTED NE
ACROSS CENTRAL MEXICO INTO TEXAS AHEAD OF THIS SHORTWAVE.

$$
HOLWEG

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