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From: <ldm@weather.cod.edu>
Subject: Western Pacific: Satellite Interpretation Message
To: <wx-tropl@lists.illinois.edu>
Message-ID: <20220214030141.6FEE21C0EEE@weather.cod.edu>
Date: Mon, 14 Feb 2022 03:01:41 +0000
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207 
ATPQ40 PGUM 140301
SIMGUM

SATELLITE INTERPRETATION MESSAGE
NATIONAL WEATHER SERVICE TIYAN GU
101 PM CHST MON FEB 14 2022

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

A NEAR-EQUATORIAL TROUGH CURVES EASTWARD THROUGH 3N130E TO END ALONG
THE EQUATOR AT 148E. A DECAYING SHEAR LINE ALONG THE NORTHERN 
PERIPHERY OF THE TROUGH IS PRODUCING SCATTERED SHOWERS AND A FEW 
THUNDERSTORMS NORTH AND WEST OF THE MAIN ISLANDS OF PALAU...WITHIN 70
MILES OF A LINE FROM 7N131E TO 9N136E. 

THE EASTERN EXTENT OF THE NEAR-EQUATORIAL TROUGH IS GENERATING 
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS WITHIN 150 MILES OF A 
LINE FROM 2N140E TO 6N151E. THIS INCLUDES ISLANDS OF EASTERN YAP
STATE AND CHUUK STATE. 

CONVERGENT TRADE-WIND FLOW EAST OF THE NEAR-EQUATORIAL TROUGH IS 
GENERATING CLUSTERS OF SHOWERS BETWEEN CHUUK LAGOON AND POHNPEI...
BETWEEN 5N AND 8N FROM 153E TO 158E.

A DISORGANIZED SURFACE TROUGH IS PRODUCING SHOWERS AND A FEW
THUNDERSTORMS ACROSS THE MARSHALL ISLANDS WEST OF MAJURO. THIS IS 
BETWEEN 3N AND 10N FROM 167E TO 171E.

ANOTHER AREA OF SHOWERS IS SEEN EAST OF MAJURO ASSOCIATED WITH AN 
ACTIVE PORTION OF THE ITCZ. THIS IS EAST OF 175E BETWEEN 5N AND 9N.

A COLD FRONT EXTENDS SOUTHWESTWARD THROUGH THE DATE LINE AT 20N...
THEN TRANSITIONS TO A FRAGMENTED SHEAR LINE IN THE VICINITY OF THE
FAR NORTHERN MARSHALL ISLANDS AROUND 12N170E. A SHEAR LINE THEN
EXTENDS WESTWARD...BECOMING LESS COHERENT NORTH OF CHUUK STATE AROUND
10N151E. PATCHY SHOWERS ARE SEEN ALONG AND UP TO 100 MILES NORTH OF
THIS FEATURE. 

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.

$$

BUKUNT


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