Satellite Interpretation Message
Issued by NWS Tiyan, Guam

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000
ATPQ40 PGUM 201440
SIMGUM

SATELLITE INTERPRETATION MESSAGE
NATIONAL WEATHER SERVICE TIYAN GU
100 AM CHST THU AUG 21 2014

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

A SURFACE TROUGH EXTENDS NORTH-NORTHEASTWARD FROM 12N130E TO
23N136E. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS ARE FOUND
NORTHWEST OF KOROR AND YAP BETWEEN 11N AND 19N FROM 130E TO 134E.

ANOTHER SURFACE TROUGH CURVES EASTWARD FROM 12N143E THROUGH A WEAK
CIRCULATION CENTERED AT 12N151E TO END AT 13N162E. SCATTERED SHOWERS
AND ISOLATED THUNDERSTORMS ARE PRESENT ACROSS THE MARIANAS WITHIN
125 MILES OF A LINE FROM 15N141E TO 10N149E...AND ALSO NORTH OF
POHNPEI BETWEEN 11N AND 16N FROM 157E TO 163E.

A WEAK CIRCULATION IS CENTERED NEAR 12N155E. A TROUGH EXTENDS
WESTWARD TO END NEAR 12N135E. A SECOND TROUGH EXTENDS SOUTHWESTWARD
FROM THE CIRCULATION TO END NEAR 2N145E. SCATTERED SHOWERS AND
ISOLATED THUNDERSTORMS ARE PRESENT NEAR THE CIRCULATION WESTWARD
WITH THE FIRST TROUGH FROM SOUTHEAST OF GUAM TO WEST OF THE CNMI
WITHIN 130 MILES OF A LINE FROM 10N151E TO 8N143E TO 11N139E TO
14N141E. SIMILAR CONDITIONS ARE PRESENT NEAR CHUUK SOUTHWESTWARD TO
NEAR THE EQUATOR WITHIN 100 MILES OF A LINE FROM 7N152E TO 1N146E TO
1N141E.

A TROUGH EXTENDS NORTHEASTWARD FROM NEAR 1N161E THROUGH A WEAK
CIRCULATION CENTERED WEST OF KWAJALEIN NEAR 9N166E...TO END NEAR
14N172E. THE TROUGH AND CIRCULATION ARE GENERATING SCATTERED SHOWERS
AND ISOLATED THUNDERSTORMS ACROSS KOSRAE WITHIN 170 MILES OF A LINE
FROM EQ161E TO 5N165E TO 11N165E. LOW-LEVEL CONVERGENCE TO THE EAST
OF THIS SYSTEM IS IGNITING SCATTERED SHOWERS AND A FEW THUNDERSTORMS
ACROSS THE MARSHALL ISLANDS WITHIN 110 MILES OF A LINE FROM 6N168E
TO 8N172E TO 8N178E.

AN UPPER-LEVEL LOW IS CENTERED SOUTHEAST OF MINAMI TORI SHIMA NEAR
20N159E. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS ARE OCCURRING
WEST OF WAKE ISLAND BETWEEN 16N AND 24N FROM 158E TO 166E.

A SERIES OF WEAK TROUGHS ARE TRIGGERING SCATTERED SHOWERS AND
ISOLATED THUNDERSTORMS FROM SOUTH OF IWO TO ISLAND TO SOUTH OF
MINAMI TORI SHIMA THE NORTHERN CNMI TO WEST OF WAKE ISLAND WITHIN 90
MILES OF A LINE FROM 20N137E TO TO 23N150E TO 22N155E.

$$

KLEESCHULTE





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