Satellite Interpretation Message
Issued by NWS Tiyan, Guam

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000
ATPQ40 PGUM 261540
SIMGUM

SATELLITE INTERPRETATION MESSAGE
NATIONAL WEATHER SERVICE TIYAN GU
140 AM CHST TUE OCT 27 2020

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

A SURFACE TROUGH REACHES NORTHEASTWARD FROM A TROPICAL DISTURBANCE
WEST OF ROTA NEAR 14N141E TO BEYOND 25N AT 145E. SCATTERED SHOWERS
AND ISOLATED THUNDERSTORMS ARE PRESENT NEAR GUAM AND ROTA BUT WEST
OF TINIAN AND SAIPAN BETWEEN 12N AND 18N FROM 140E TO 145E. PATCHY
SHOWERS AND A FEW THUNDERSTORMS ARE SEEN OVER THE NORTHERN CNMI
WITHIN 170 MILES OF A LINE FROM 18N146E TO 25N147E.

ANOTHER SURFACE TROUGH CURVES EASTWARD FROM EAST OF GUAM AT 14N148E
THROUGH TWO WEAK CIRCULATIONS...ONE NEAR POHNPEI AT 7N158E AND
ANOTHER ONE NORTHEAST OF KOSRAE AT 8N166E TO END NORTH OF MAJURO AT
10N174E. SCATTERED SHOWERS AND A FEW THUNDERSTORMS ARE EVIDENT
NORTHEAST OF CHUUK AND NORTH OF POHNPEI BETWEEN 8N AND 12N FROM 154E
TO 163E...AND FROM SOUTHEAST OF KOSRAE TO THE SOUTHWESTERN MARSHALL
ISLANDS WITHIN 155 MILES OF A LINE FROM 3N164E TO 7N170E. PATCHY
SHOWERS AND A FEW THUNDERSTORMS ARE FOUND SOUTH OF CHUUK WITHIN 85
MILES OF 2N154E...AND FROM THE SOUTHEASTERN MARSHALL ISLANDS TO THE
DATE LINE WITHIN 200 MILES OF A LINE FROM 5N172E TO 10N180.

CONVERGENT SOUTHERLY WINDS ARE TRIGGERING PATCHY SHOWERS AND ISOLATED
THUNDERSTORMS NORTH AND NORTHWEST OF KOROR...WEST OF A LINE FROM
8N135E TO 11N136E TO 14N130E.

A STATIONARY FRONT STRETCHES SOUTHWESTWARD FROM NEAR IWO TO ISLAND
ACROSS 25N142E TO BEYOND 130E AT 21N. CLOUDINESS...SCATTERED SHOWERS
AND A FEW THUNDERSTORMS ARE OCCURRING ALONG AND NORTHWEST OF THIS
BOUNDARY TO BEYOND 25N.

$$

CHAN


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