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ATPQ40 PGUM 151500

SIMGUM



SATELLITE INTERPRETATION MESSAGE

NATIONAL WEATHER SERVICE TIYAN GU

100 AM CHST MON MAR 16 2009



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



A COLD FRONT EXTENDS SOUTHWESTWARD FROM 25N146E TO 22N140E...THEN 

CONTINUES AS A SHEAR LINE TO BEYOND 130E AT 18N. CLOUDINESS AND 

PATCHY RAIN ARE FOUND ALONG AND UP TO 100 MILES NORTHWEST OF THE 

COLD FRONT. SCATTERED LIGHT SHOWERS ARE FOUND ALONG AND UP TO 150 

MILES NORTHWEST OF THE SHEAR LINE.



A MID-LEVEL CIRCULATION IS CENTERED WELL SOUTHEAST OF WAKE ISLAND AT 

13N174E. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS ARE FOUND 

WITHIN 100 MILES OF A LINE FROM 17N176E TO 24N176E.



THE NEAR-EQUATORIAL TROUGH STRETCHES SOUTHEASTWARD FROM 4N130E TO 

THE EQUATOR AT 146E. SCATTERED SHOWERS ARE FOUND WELL SOUTH OF 

KOROR...SOUTH OF 2N FROM 135E TO 140E. CONVERGENT LOW-LEVEL WINDS 

NEAR THE TROUGH ARE TRIGGERING SCATTERED SHOWERS AND ISOLATED 

THUNDERSTORMS WITHIN 100 MILES OF A LINE FROM 5N142E TO 2N148E AND 

SOUTH OF 2N FROM 143E TO 147E.



A SURFACE TROUGH EMBEDDED WITHIN TRADE-FLOW SOUTHWEST OF POHNPEI IS 

GENERATING SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS WITHIN 100 

MILES OF A LINE FROM EQ153E TO 4N158E.



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