650  
ATPQ40 PGUM 180253  
SIMGUM  
 
SATELLITE INTERPRETATION MESSAGE  
NATIONAL WEATHER SERVICE TIYAN GU  
1253 PM CHST TUE FEB 18 2020  
 
WESTERN NORTH PACIFIC BETWEEN THE EQUATOR AND 25N FROM 130E TO 180.  
 
A COLD FRONT PUSHING SOUTHEASTWARD FROM JAPAN STRETCHES THROUGH  
25N143E TO BEYOND 130E AT 16N. EXTENSIVE CLOUDINESS AND AREAS OF  
RAIN ARE SEEN ALONG AND NORTHWEST OF THE FRONT TO BEYOND 25N AND  
130E. THIS INCLUDES IWO TO ISLAND.  
 
A NEAR-EQUATORIAL TROUGH EXTENDS EASTWARD THROUGH 3N130E TO END NEAR  
EQ171E. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS ARE OCCURRING  
WELL SOUTH OF KOROR AND YAP...SOUTH OF A LINE FROM 4N130E TO 2N143E.  
SIMILAR CONDITIONS ARE FOUND WELL SOUTH OF CHUUK...POHNPEI AND  
KOSRAE...BETWEEN THE EQUATOR AND 4N FROM 145E TO 166E.  
 
A SURFACE TROUGH REACHES NORTHWESTWARD FROM 2N175E TO 12N170E ACROSS  
THE MARSHALL ISLANDS. PATCHY SHOWERS AND A FEW THUNDERSTORMS ARE SEEN  
WITHIN 150 MILES OF A LINE FROM 4N179E TO 11N170E.  
 
A DECAYING FRONTAL BOUNDARY REACHES WESTWARD THROUGH 22N180 TO END  
EAST OF WAKE ISLAND NEAR 20N168E. CLOUDINESS AND PATCHY SHOWERS ARE  
FOUND BETWEEN 18N AND 25N FROM 168E TO 180. A FEW THUNDERSTORMS ARE  
SEEN WITHIN THIS AREA...UP TO 150 MILES WEST OF THE DATELINE.  
 

 
 
BUKUNT  
 
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