Satellite Interpretation Message
Issued by NWS Tiyan, Guam

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000
ATPQ40 PGUM 300931 AAA
SIMGUM

SATELLITE INTERPRETATION MESSAGE...UPDATED
NATIONAL WEATHER SERVICE TIYAN GU
730 PM CHST THU OCT 30 2014

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

UPDATED TO INCLUDE NEW TROPICAL CYCLONE FORMATION ALERT

A DEVELOPING CIRCULATION...NOW THE SUBJECT OF A TROPICAL CYCLONE
FORMATION ALERT BY THE JOINT TYPHOON WARNING CENTER...IS CENTERED
WEST OF GUAM NEAR 13N140E. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS ARE FOUND NEAR THE CENTER AND TO THE SOUTHEAST...JUST
EAST OF YAP...WITHIN 170 MILES OF A LINE FROM 15N136E TO 8N142E...
AND FARTHER EAST ACROSS THE MARIANAS BETWEEN 11N AND 18N FROM 141E
TO 149E. FOR MORE INFORMATION ON THIS SYSTEM...SEE BULLETINS ISSUED
BY THE JTWC UNDER WMO HEADER WTPN21 PGTW.

A MONSOON TROUGH STRETCHES NORTHEASTWARD FROM 8N130E TO THE
CIRCULATION CENTERED WEST OF GUAM AT 13N140E...THEN TURNS
SOUTHEASTWARD TO PASS THROUGH A CIRCULATION CENTERED NORTHWEST OF
POHNPEI AT 8N156E TO END NEAR 10N162E. SCATTERED SHOWERS AND A FEW
THUNDERSTORMS ARE PRESENT SOUTHEAST OF YAP BETWEEN 1N AND 7N FROM
139E TO 147E. FARTHER EAST...SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS ARE FOUND OVER CHUUK STATE WITHIN 200 MILES OF A LINE
FROM EQ151E TO 9N152E...AND NORTH OF POHNPEI AND KOSRAE WITHIN 150
MILES OF A LINE FROM 12N151E TO 8N165E.

A WEAK CIRCULATION IS CENTERED JUST NORTH OF MAJURO AT 8N171E.
SCATTERED SHOWERS AND A FEW THUNDERSTORMS ARE LOCATED NORTH OF
MAJURO WITHIN 70 MILES OF A LINE FROM 7N171E TO 10N174E.

AN UPPER-LEVEL LOW CENTERED AT 21N171E AND A SURFACE TROUGH RUNNING
SOUTHWESTWARD FROM 25N176E TO 16N168E ARE COMBINING TO PRODUCE
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS EAST OF WAKE ISLAND
BETWEEN 25N AND 16N FROM 171E TO THE DATE LINE.

$$

AYDLETT





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