Subject: Pacific-EN: Tropical Weather Discussion

From: SIU Weather Processor <[email-masked]>
Date: Sat, 18 Jan 2003 15:56:27 -0600

AXPZ20 KNHC 182156
TWDEP

TROPICAL WEATHER DISCUSSION
TROPICAL ANALYSIS AND FORECAST BRANCH
TROPICAL PREDICTION CENTER MIAMI FL
2205 UTC SAT 18 JAN 2003

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

SPECIAL FEATURES...
NO SPECIAL FEATURES.
NO TROPICAL WAVES.

BASED ON 18/1800 UTC SURFACE SYNOPTIC ANALYSIS...
..TROUGH ALONG 21N122W 15N120W.
..TROUGH ALONG 8N97W 4N96W 1N95W. ISOLATED TO WIDELY SCATTERED
   MODERATE SHOWERS/THUNDERSTORMS FROM 2N TO 12N BETWEEN 89W AND
   96W.
..1023 MB HIGH PRESSURE CENTER NEAR 30N125W. BROAD HIGH PRESSURE
   AND ANTICYCLONIC FLOW NORTH OF 10N WEST OF 120W...EXCEPT NEAR
   21N122W 15N120W TROUGH.

INTERPRETATION OF SATELLITE IMAGERY THROUGH 18/2130 UTC...

ITCZ...
AXIS OF ITCZ RELATED CLOUDS/CONVECTION
5N78W 6N93W 5N105W 4N116W 8N126W 5N134W 4N140W.

ISOLATED MODERATE SHOWERS/THUNDERSTORMS WITHIN 50 NM ON
EITHER SIDE OF AXIS BETWEEN 104W AND 106W...WITHIN 60-75 NM
ON EITHER SIDE OF AXIS BETWEEN 121W AND 127W...AND BETWEEN
131W AND 137W.

ELSEWHERE SOUTH OF 32N...
WATER VAPOR IMAGERY...CYCLONIC CIRCULATION CENTER NEAR
30N122W. CYCLONIC FLOW WITHIN IMMEDIATE 240 NM RADIUS OF
THE CENTER. TROUGH FROM CYCLONIC CENTER TO 15N124W.

TICHACEK

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