Satellite Interpretation Message
Issued by NWS Tiyan, Guam

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ATPQ40 PGUM 261517
SIMGUM

SATELLITE INTERPRETATION MESSAGE
NATIONAL WEATHER SERVICE TIYAN GU
117 AM CHST TUE JUN 27 2017

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

A WEAK MONSOON TROUGH EXTENDS EAST-NORTHEASTWARD FROM MINDANAO ACROSS
10N130E TO A TROPICAL DISTURBANCE CENTERED WEST OF SAIPAN NEAR
15N139E. NUMEROUS SHOWERS AND SCATTERED THUNDERSTORMS ARE FOUND NORTH
OF THE DISTURBANCE WITHIN 80 MILES OF A LINE FROM 19N137E TO 16N142E.
CONVERGING WEST WINDS SOUTH OF THE MONSOON TROUGH ARE GENERATING
SCATTERED SHOWERS AND A FEW THUNDERSTORMS SOUTH OF KOROR AND YAP
WITHIN 105 MILES OF A LINE FROM 4N130E TO 3N142E TO 8N144E.

A SURFACE TROUGH RUNS SOUTHEASTWARD FROM THE TROPICAL DISTURBANCE
WEST OF SAIPAN TO A WEAK CIRCULATION CENTERED SOUTHWEST OF CHUUK AT
4N146E...THEN TURNS NORTHEASTWARD TO END NORTHEAST OF WENO ISLAND AT
9N153E. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS ARE OCCURRING
ACROSS CHUUK STATE BETWEEN 1N AND 10N FROM 148E TO 157E.

TRADE-WIND DISTURBANCES ARE PRODUCING SCATTERED SHOWERS AND A FEW
THUNDERSTORMS SOUTH OF KOSRAE WITHIN 50 MILES OF 2N164E...AND ALSO
SOUTHEAST OF MAJURO WITHIN 125 MILES OF A LINE FROM 4N172E TO 6N180.

TWO UPPER-LEVEL LOWS ARE CENTERED OVER THE PHILIPPINE SEA AT 19N132E
AND SOUTHWEST OF WAKE ISLAND AT 18N156E. ISOLATED THUNDERSTORMS ARE
OCCURRING NEAR THESE LOWS WITHIN 95 MILES OF A LINE FROM 14N130E TO
18N135E...AND BETWEEN 14N AND 24N FROM 155E TO 162E.

$$

CHAN



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