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From: <ldm@weather.cod.edu>
Subject: Western Pacific: Satellite Interpretation Message
To: <wx-tropl@lists.illinois.edu>
Message-ID: <20220206025916.244D81C0EEE@weather.cod.edu>
Date: Sun, 6 Feb 2022 02:59:15 +0000
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055 
ATPQ40 PGUM 060259
SIMGUM

SATELLITE INTERPRETATION MESSAGE
NATIONAL WEATHER SERVICE TIYAN GU
1259 PM CHST SUN FEB 6 2022

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

TRADE-WIND CONVERGENCE IS GENERATING SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS SOUTH OF PALAU BETWEEN THE EQUATOR AND 5N FROM 133E TO 
138E.

A SURFACE TROUGH EXTENDS FROM 4N143E TO EQ150E AND IS ASSOCIATED WITH
NUMEROUS TO SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS SOUTHWEST OF
CHUUK BETWEEN 1N AND 4N FROM 140E TO 144E AND BETWEEN 1N AND 7N FROM 
144E TO 152E

TWO SURFACE TROUGHS WERE NEAR EACH OTHER WITH THE FIRST ONE 
STRETCHING FROM 2N160E TO 7N166E AND THE SECOND FROM 6N159E TO 9N162E. 
THESE TROUGHS ARE COMBINING TO PRODUCE NUMEROUS TO SCATTERED SHOWERS 
AND ISOLATED THUNDERSTORMS OVER CHUUK...POHNPEI...AND KOSRAE STATES IN 
ADDITION TO MAJURO BETWEEN 3N AND 10N FROM 153E TO 172E.

A WEAK SURFACE TROUGH IS CROSSING THE DATE LINE AND IS GENERATING 
SCATTERED SHOWERS SOUTHEAST OF MAJURO BETWEEN 3N AND 6N FROM 177E TO 
180.

A SHEAR LINE FRAGMENT EXTENDS FROM NEAR THE MARIANAS NEAR 15N148E TO
SOUTH OF YAP NEAR 7N138E AND EXTENDS WESTWARD OVER PALAU TO 7N130E. 
IT IS ASSOCIATED WITH A BAND OF LOW CLOUDS AND SCATTERED SHOWERS 
WITHIN 100 MILES NORTH OF THE LINE. A FEW THUNDERSTORMS CAN BE FOUND 
ALONG THE LINE WEST OF 141E. 

AN OLD SHEAR LINE HAS BROKEN UP INTO A SERIES OF SURFACE TROUGHS WITH 
ONE STRETCHING FROM 13N155E TO 18N158E WITH THE SECOND ONE BETWEEN 
16N164E TO 20N168E. LOW-CLOUDS AND SHOWERS CAN BE FOUND 100 MILES EAST
AND WEST OF THE TROUGH AXIS. 

A COLD FRONT ENTERS THE DISCUSSION AREA NORTH OF WAKE ISLAND NEAR 
25N165E AND EXTENDS TO 21N153E THEN CONTINUES ACROSS THE MARIANAS AS 
A SHEAR LINE TO THEN NORTH OF YAP TO 13N135E. LOW-CLOUDS AND SHOWERS 
CAN BE FOUND 100 MILES NORTH OF THE BOUNDARY WITH PATCHY LOW-LEVEL 
CLOUDINESS AND SHOWERS FURTHER NORTH TO BEYOND 25N.

$$

ZIOBRO


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