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From: <ldm@weather.cod.edu>
Subject: Western Pacific: Satellite Interpretation Message
To: <wx-tropl@lists.illinois.edu>
Message-ID: <20220224023310.E1FD31C0EEE@weather.cod.edu>
Date: Thu, 24 Feb 2022 02:33:10 +0000
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812 
ATPQ40 PGUM 240232
SIMGUM

SATELLITE INTERPRETATION MESSAGE
NATIONAL WEATHER SERVICE TIYAN GU
1232 PM CHST THU FEB 24 2022

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

A NEAR-EQUATORIAL TROUGH STRETCHES FROM EQ150E TO 4N130E. SCATTERED
SHOWERS AND A FEW THUNDERSTORMS ARE OCCURRING FROM THE EQUATOR TO 5N
BETWEEN 130E AND 140E.

A SURFACE TROUGH IS APPROACHING YAP AND STRETCHES FROM 7N144E TO 
14N136E. MOST OF THIS TROUGH IS FAIRLY QUIET WITH JUST A FEW SHOWERS 
DEVELOPING...THE EXCEPTION BEING FROM 7N TO 9N AT 138E. HERE...A 
LOCALIZED POCKET OF SCATTERED SHOWERS ARE OCCURRING...BUT LOOK TO BE 
IN A WEAKENING STAGE.

AN ITCZ FRAGMENT IS CENTERED ALONG AN AXIS FROM 4N145E TO 4N158E.
SCATTERED TO LOCALLY NUMEROUS SHOWERS ARE DEVELOPING...WITH ISOLATED
THUNDERSTORMS EMBEDDED IN THESE CLUSTERS AS WELL. THIS IS OCCURRING 
FROM 1N TO 5N BETWEEN 145E AND 158E.

A COLD FRONT LOCATED NORTHEAST OF WAKE ISLAND ENTERS THE REGION AT 
25N180 AND EXTENDS TO JUST NORTHWEST OF WAKE ISLAND AT 20N165E... 
WHERE IT TRANSITIONS INTO A SHEAR LINE AS IT EXTENDS SOUTHWEST...
PASSING THROUGH SAIPAN AT 15N145E...BEFORE WEAKENING INTO A FRAGMENT
AS IT EXITS THE FORECAST AREA AT 11N130E. SCATTERED SHOWERS ARE 
OCCURRING ALONG AND UP TO 250 MILES NORTH OF THE BOUNDARY.

NATIONAL WEATHER SERVICE GUAM WILL DISCONTINUE THE ISSUANCE OF THE 
ATPQ40 PGUM (SIMGUM) EFFECTIVE 1 MAR 2022. IT WILL BE REPLACED BY 
AXPQ20 PGUM (TWDPQ)...WHICH WILL PROVIDE ENHANCED INFORMATION.


$$

DOLL


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