Satellite Interpretation Message
Issued by NWS Tiyan, Guam

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ATPQ40 PGUM 280244
SIMGUM

SATELLITE INTERPRETATION MESSAGE
NATIONAL WEATHER SERVICE TIYAN GU
1244 PM CHST WED JUN 28 2017

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

A NEAR-EQUATORIAL TROUGH EXTENDS SOUTHEASTWARD ACROSS 7N130E TO A
WEAK CIRCULATION SOUTHEAST OF YAP NEAR 3N143E. SCATTERED SHOWERS
AND ISOLATED THUNDERSTORMS SOUTHWEST OF KOROR ARE WEST OF A LINE
FROM 6N132E TO 3N132E AND IN A LARGE AREA EAST OF YAP BETWEEN 12N
AND 5N FROM 140E TO 150E AND ALONG THE EQUATOR SOUTH OF A LINE
FROM 2N136E TO 5N146E.

A SURFACE TROUGH RUNS NORTHEASTWARD FROM SOUTHEAST OF CHUUK AT
1N154E TO EAST OF KOSRAE AT 5N167E AND OVER THE MARSHALL ISLANDS
TO BEYOND 7N180. PATCHY AREAS OF SHOWERS AND THUNDERSTORMS ARE
SOUTH OF POHNPEI AND NEAR KOSRAE BETWEEN 6N AND THE EQUATOR FROM
156E TO 167E AND NEAR MAJURO BETWEEN 10N AND 6N FROM 169E TO 174E
AND NORTHEAST OF BUTARITARI BETWEEN 8N AND 2N FROM 174E TO 180.

AN UPPER-LEVEL LOW CENTERED NEAR ALAMAGAN AT 17N145E IS CAUSING
SPOTTY SHOWERS AND THUNDERSTORMS BETWEEN 23N AND 18N FROM 148E TO
153E.

A TROPICAL DISTURBANCE WELL NORTHWEST OF THE MARIANA ISLANDS IS
PRODUCING SHOWERS AND ISOLATED THUNDERSTORMS WITHIN 150 MILES OF
21N133E.

$$

SIMPSON



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