Satellite Interpretation Message
Issued by NWS Tiyan, Guam

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000
ATPQ40 PGUM 191512
SIMGUM

SATELLITE INTERPRETATION MESSAGE
NATIONAL WEATHER SERVICE TIYAN GU
112 AM CHST FRI APR 20 2018

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

A NEAR-EQUATORIAL TROUGH CURVES EAST-SOUTHEASTWARD FROM SOUTHWEST OF
KOROR ACROSS 3N130E TO END AT A WEAK CIRCULATION CENTERED SOUTH OF
KOSRAE NEAR 1N162E. CONVERGING WINDS NORTH OF THE TROUGH ARE CREATING
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS OVER CHUUK...POHNPEI AND
KOSRAE WITHIN 155 MILES OF A LINE FROM 8N145E TO 4N163E. SIMILAR
CONDITIONS ARE SEEN NEAR THE CIRCULATION BETWEEN THE EQUATOR AND 3N
FROM 162E TO 169E.

A SURFACE TROUGH RUNS NORTHEASTWARD FROM THE CIRCULATION SOUTH OF
KOSRAE...PASSING NEAR MAJURO AT 7N172E TO BEYOND 180 AT 12N.
SCATTERED SHOWERS AND A FEW THUNDERSTORMS ARE OCCURRING OVER MUCH OF
THE MARSHALL ISLANDS WITHIN 210 MILES OF A LINE FROM 4N167E TO 9N178E.

ANOTHER SURFACE TROUGH REACHES NORTHEASTWARD FROM A CIRCULATION
CENTERED SOUTH OF OKINAWA AT 18N128E TO BEYOND 25N AT 137E. PATCHY
CLOUDS AND SHOWERS AND A FEW THUNDERSTORMS ARE SEEN NORTHWEST OF A
LINE FROM 18N130E TO 25N146E.

$$

CHAN


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