Satellite Interpretation Message
Issued by NWS Tiyan, Guam

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ATPQ40 PGUM 231451
SIMGUM

SATELLITE INTERPRETATION MESSAGE
NATIONAL WEATHER SERVICE TIYAN GU
1251 AM CHST SAT JUN 24 2017

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

AN UPPER-LEVEL TROUGH ALONG WITH SURFACE CONVERGENCE IS CAUSING
SHOWERS AND ISOLATED THUNDERSTORMS IN PATCHY AREAS JUST NORTHEAST
OF THE MARIANA ISLANDS BETWEEN 19N AND 14N FROM 146E TO 156E.

A SURFACE TROUGH EXTENDS NORTHWESTWARD FROM SOUTHEAST OF KOROR
AT 2N140E TO 10N130E. SHOWERS AND THUNDERSTORMS WEST OF KOROR ARE
WEST OF A LINE FROM 12N133E TO 2N130E AND IN PATCHY AREAS OVER YAP
STATE BETWEEN 11N AND 8N FROM 136E TO 142E.

TRADE-WIND CONVERGENCE IS TRIGGERING SPOTTY SHOWERS AND A FEW
THUNDERSTORMS MAINLY FROM SOUTH OF POHNPEI AND KOSRAE TO NEAR
BUTARITARI AND EAST OF MAJURO WITHIN 100 MILES OF A LINE FROM
1N158E TO 3N174E TO 8N180.

$$

SIMPSON



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