Satellite Interpretation Message
Issued by NWS Tiyan, Guam

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000
ATPQ40 PGUM 300137
SIMGUM

SATELLITE INTERPRETATION MESSAGE
NATIONAL WEATHER SERVICE TIYAN GU
100 PM CHST TUE JUN 30 2015

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

THE JOINT TYPHOON WARNING CENTER HAS ISSUED A FORMATION ALERT FOR A
CIRCULATION CENTERED NEAR 9N161E...WHICH IS 255 MILES NORTHEAST OF
POHNPEI. THIS MEANS THAT THE FORMATION OF A SIGNIFICANT TROPICAL
CYCLONE IS POSSIBLE WITHIN THE NEXT 12 TO 24 HOURS. SCATTERED
SHOWERS AND ISOLATED THUNDERSTORMS ARE BETWEEN 6N AND 13N FROM 155E
TO 162E. FOR MORE INFORMATION...SEE JTWC BULLETINS ISSUED UNDER WMO
HEADER WTPN21 PGTW AND NWS PRODUCTS ISSUED UNDER WMO HEADER WWMY80
PGUM AND WWPQ80 PGUM.

OTHERWISE...AN ACTIVE MONSOON TROUGH RUNS EASTWARD ACROSS MICRONESIA
FROM A CIRCULATION NORTHWEST OF KOROR AT 11N132E THROUGH ANOTHER
CIRCULATION 250 MILES WEST-NORTHWEST OF CHUUK AT 9N148E CURVING OVER
NORTHERN ISLANDS OF CHUUK STATE THROUGH THE CIRCULATION NORTHEAST OF
POHNPEI AT 9N161E TURNING SOUTHEASTWARD ACROSS THE MARSHALL ISLANDS
THROUGH YET ANOTHER CIRCULATION NEAR 7N175E AND BEYOND THE DATE LINE
AT 7N180. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS ACROSS THE
REPUBLIC OF PALAU AND SOUTHWEST OF YAP ARE SOUTHWEST OF A LINE FROM
14N131E TO 12N136E TO 5N138E AND FROM EAST OF YAP TO CHUUK BETWEEN
11N AND 4N FROM 140E TO 153E. PATCHY AREAS OF SCATTERED SHOWERS AND
A FEW THUNDERSTORMS FROM EAST OF KOSRAE ACROSS THE MARSHALL ISLANDS
ARE MAINLY BETWEEN 10N AND THE EQUATOR FROM 165E TO THE DATE LINE.

$$

SIMPSON


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