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From: <ldm@weather.cod.edu>
Subject: Western Pacific: Satellite Interpretation Message
To: <wx-tropl@lists.illinois.edu>
Message-ID: <20220125163904.ED1501C0EEE@weather.cod.edu>
Date: Tue, 25 Jan 2022 16:39:04 +0000
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034 
ATPQ40 PGUM 251638 CCA
SIMGUM

SATELLITE INTERPRETATION MESSAGE...CORRECTED
NATIONAL WEATHER SERVICE TIYAN GU
238 AM CHST WED JAN 26 2022

WESTERN NORTH PACIFIC BETWEEN THE EQUATOR AND 25N FROM 130E TO 180.

A WEAK SURFACE TROUGH CROSSING THE SOUTHERN REPUBLIC OF PALAU
STRETCHES FROM EQ133E TO 6N133E. VERY WIDELY SCATTERED SHOWERS WITH A
COUPLE OF THUNDERSTORMS ARE FIRING WEST OF THE 133E MERIDIAN BETWEEN
THE EQUATOR AND 8N.

A SMALL SURFACE TROUGH IS LOCATED FROM 4 TO 5N AT 139E...WITH
ANOTHER SMALL SURFACE TROUGH TO THE NORTHWEST OF CHUUK AT 
9N149E. TRADE WIND CONVERGENCE CONNECTS THESE TWO FEATURES AND IS
ACCOMPANIED BY SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS WITHIN
150 MILES OF THIS AXIS.

TRADE WIND CONVERGENCE IS ALSO RESPONSIBLE FOR WIDELY SCATTERED
SHOWERS DEVELOPING FROM 4N TO 10N BETWEEN 150E AND 164E...INCLUDING
CHUUK...POHNPEI...AND KOSRAE.

A WEAK SURFACE TROUGH EXTENDS FROM THE EQUATOR WELL SOUTH OF MAJURO
AT EQ172E TO 4N171E. A FEW SHOWERS WITH AN OCCASIONAL THUNDERSTORM
CONTINUE TO DEVELOP WITHIN 125 MILES OF THIS AXIS. JUST NORTH AND
EAST OF HERE...TRADE WIND CONVERGENCE IS HELPING SCATTERED SHOWERS 
AND ISOLATED THUNDERSTORMS TO DEVELOP FROM 4N TO 8N BETWEEN 172E AND
THE DATELINE.

WELL NORTHWEST OF PALAU AND YAP...A SURFACE TROUGH STRETCHES FROM
14N130E TO 19N134E. SCATTERED SHOWERS ARE OCCURRING WITHIN 175 MILES
OF THIS AXIS.

A WEAKENING SHEAR LINE LIES FROM JUST SOUTH OF GUAM AT 12N145E THEN 
CONTINUES EAST-NORTHEAST TOWARDS WAKE ISLAND TO 15N156E...WITH 
WIDELY SCATTERED SHOWERS OCCURRING WITHIN 100 MILES OF IT...BECOMING 
BETTER DEFINED AS IT STRETCHES TO JUST EAST OF WAKE ISLAND AT 
20N170E THEN ENDS NEAR 21N178E. SCATTERED SHOWERS ARE OCCURRING 
WITHIN 200 MILES OF THIS LATTER STRETCH OF THIS FEATURE.

THE TAIL END OF A COLD FRONT LIES JUST NORTH OF MINAMI TORISHIMA 
FROM 25N155E TO 25N150E...THEN BUCKLES SLIGHTLY WEST-SOUTHWEST TO 
24N146E LOSING SOME OF ITS DEFINITION. SCATTERED SHOWERS ARE 
OCCURRING IMMEDIATELY ALONG THIS FEATURE AND WITHIN 150 MILES TO ITS 
NORTH.

$$

DOLL


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