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ATPQ40 PGUM 050255

SIMGUM



SATELLITE INTERPRETATION MESSAGE

NATIONAL WEATHER SERVICE TIYAN GU

100 PM CHST THU FEB 5 2009



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



AN OLD SHEAR LINE EXTENDS SOUTHWESTWARD FROM 25N180 TO NEAR ANATAHAN 

IN THE CNMI AT 16N145E TO BEYOND 130E AT 14N. WEST OF 170E... 

CLOUDINESS AND PATCHY RAIN ARE FOUND ALONG AND UP TO 150 MILES NORTH 

OF THE SHEAR LINE. EAST OF 170E...CLOUDINESS AND PATCHY RAIN ARE 

FOUND ALONG AND UP TO 300 MILES NORTH OF THE SHEAR LINE.



A NEAR-EQUATORIAL TROUGH EXTENDS SOUTHEASTWARD FROM 6N130E THROUGH A 

WEAK CIRCULATION CENTERED JUST WEST OF KOROR AT 6N132E TO END AT 

EQ144E. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS ASSOCIATED WITH 

THE CIRCULATION ARE LOCATED BETWEEN 6N AND 10N FROM 130E TO 133E. 

CONVERGENT WEST WINDS SOUTH OF THE TROUGH AXIS ARE CAUSING SCATTERED 

SHOWERS AND ISOLATED THUNDERSTORMS ALONG THE EQUATOR SOUTH OF A LINE 

FROM 2N134E TO 2N138E. TRADE WINDS CONVERGING NORTH OF THE TROUGH 

AXIS ARE PRODUCING SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS OVER 

YAP AND SOUTHWEST OF CHUUK WITHIN 100 MILES OF A LINE EXTENDING FROM 

12N134E TO 10N137E TO 6N141E TO 2N150E. SCATTERED SHOWERS AND A FEW 

THUNDERSTORMS ARE ALSO FOUND WELL SOUTH OF GUAM WITHIN 75 MILES OF A 

LINE FROM 3N144E TO EQ146E.



TRADE-WIND CONVERGENCE IS GENERATING SCATTERED SHOWERS OVER 

KOSRAE...KWAJALEIN AND MAJURO WITHIN 125 MILES OF A LINE FROM 3N159E 

TO 7N170E TO 6N180.



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