Satellite Interpretation Message
Issued by NWS Tiyan, Guam

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000
ATPQ40 PGUM 241424
SIMGUM

SATELLITE INTERPRETATION MESSAGE
NATIONAL WEATHER SERVICE TIYAN GU
100 AM CHST MON JUL 25 2016

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

A TROPICAL DISTURBANCE IS CENTERED NEAR 5N142E. A SURFACE TROUGH
EXTENDING NORTHWEST OF THE DISTURBANCE IS CAUSING SCATTERED SHOWERS
AND A FEW THUNDERSTORMS OVER YAP STATE WITHIN 100 MILES OF A LINE
FROM 13N142E TO 8N137E. OTHERWISE...SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS ARE IN PATCHY AREAS SOUTH OF 8N FROM 130E TO 150E.

TRADE-WIND CONVERGENCE AND UPPER-LEVEL DIVERGENCE ARE PRODUCING
EXTENSIVE CLOUDINESS WITH SCATTERED SHOWERS AND A FEW THUNDERSTORMS
FROM CHUUK STATE ACROSS POHNPEI AND KOSRAE STATES SOUTH OF 10N FROM
150E TO 166E.

A SURFACE TROUGH IS MOVING ACROSS THE DATE LINE EAST OF MAJURO WITH
SCATTERED SHOWERS AND A FEW THUNDERSTORMS EAST OF A LINE FROM 8N175E
TO 4N175E.

AN UPPER-LEVEL TROUGH EAST OF THE MARIANAS IS TRIGGERING SCATTERED
SHOWERS AND ISOLATED THUNDERSTORMS WITHIN 75 MILES OF A LINE FROM
16N154E TO 12N151E.

A SMALL CIRCULATION JUST NORTHEAST OF WAKE ISLAND IS NEAR 22N169E.
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS ARE NORTHEAST OF A LINE
FROM 20N168E TO 17N175E TO BEYOND 25N.

A SURFACE TROUGH NORTHWEST OF WAKE ISLAND CURVES SOUTHWESTWARD FROM
25N164E TO 20N156E THEN WESTWARD TO 20N140E. CLOUDINESS WITH PATCHY
SHOWERS AND ISOLATED THUNDERSTORMS ARE ALONG AND UP TO 200 MILES
NORTHWEST OF THE TROUGH.

$$

SIMPSON


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