000
ATPQ40 PGUM 220338
SIMGUM

SATELLITE INTERPRETATION MESSAGE
NATIONAL WEATHER SERVICE TIYAN GU
100 PM CHST SUN NOV 22 2009

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

TROPICAL DEPRESSION 26W IS CENTERED 235 MILES WEST-SOUTHWEST OF 
CHUUK AT 6N149E...WITH MAXIMUM SUSTAINED WINDS OF 30 MPH. NUMEROUS 
SHOWERS AND ISOLATED THUNDERSTORMS ARE FOUND SOUTH OF GUAM AND JUST 
WEST OF CHUUK BETWEEN THE EQUATOR AND 9N FROM 140E TO 150E. FOR MORE 
INFORMATION ON 26W...SEE BULLETINS ISSUED BY THE JTWC UNDER WMO 
HEADER WTPN21 PGTW...AND ADVISORIES ISSUED BY THE NATIONAL WEATHER 
SERVICE UNDER WMO HEADER WTPQ31 PGUM.

A MONSOON TROUGH EXTENDS EASTWARD FROM MINDANAO THROUGH TROPICAL 
DEPRESSION 26W CENTERED NEAR CHUUK AT 6N149E...THEN THROUGH A WEAK 
CIRCULATION CENTERED NORTH OF KOSRAE AT 8N161E TO NORTHEAST OF 
MAJURO AT 9N177E...THEN FINALLY TURNS SOUTHWARD TO END AT EQ179E. 
SCATTERED SHOWERS AND A FEW THUNDERSTORMS ARE FOUND SOUTHWEST OF 
KOROR AND SOUTH OF YAP WITHIN 70 MILES OF A LINE FROM 9N130E TO 
4N135E TO 4N140E. CONVERGENT WINDS EAST OF 26W ARE PRODUCING 
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS OVER CHUUK AND POHNPEI 
WITHIN 205 MILES OF A LINE FROM 12N152E TO 6N156E TO EQ154E. SIMILAR 
CONDITIONS ARE ALSO SEEN FARTHER EAST ALONG THE MONSOON TROUGH NORTH 
OF KOSRAE AND WEST OF KWAJALEIN BETWEEN 7N AND 9N FROM 160E TO 
167E...AND NORTHEAST OF MAJURO BETWEEN 6N AND 10N FROM 173E TO 180.

TRADE-WIND CONVERGENCE IS COMBINING WITH UPPER-LEVEL DIVERGENCE TO 
TRIGGER SCATTERED SHOWERS AND A FEW THUNDERSTORMS OVER WAKE ISLAND 
AND SOUTHWARD BETWEEN 10N AND 25N FROM 165E TO 178E.
 
$$

CHAN