Satellite Interpretation Message
Issued by NWS Tiyan, Guam

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000
ATPQ40 PGUM 190304
SIMGUM

SATELLITE INTERPRETATION MESSAGE
NATIONAL WEATHER SERVICE TIYAN GU
104 PM CHST THU OCT 19 2017

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

TYPHOON LAN (25W) IS CENTERED 645 MILES NORTH-NORTHWEST OF KOROR
AT 16N130E MOVING NORTHWEST AT 12 MPH WITH MAXIMUM SUSTAINED
WINDS OF 75 MPH. HEAVY SHOWERS AND THUNDERSTORMS ARE FOUND WELL
NORTHWEST OF YAP AND KOROR OVER THE PHILIPPINE SEA WITHIN 200
MILES OF A LINE FROM 17N138E TO 14N130E. FOR MORE INFORMATION ON
TYPHOON LAN...SEE BULLETINS ISSUED BY THE JOINT TYPHOON WARNING
CENTER UNDER WMO HEADER WTPN32 PGTW AND BY THE NATIONAL WEATHER
SERVICE UNDER WMO HEADER WTPQ32 PGUM.

A MONSOON TROUGH MEANDERS EASTWARD FROM TYPHOON LAN AT 16N130E
ACROSS THE MARIANA ISLANDS THROUGH A CIRCULATION CENTERED NEAR
14N149E THEN CURVES NORTHEASTWARD TO END NEAR 22N158E. PATCHY
SHOWERS ARE OVER THE MARIANAS BETWEEN 12N TO 16N FROM 140E TO
145E AND NORTH OF CHUUK WITHIN 100 MILES OF A LINE FROM 12N148E TO
16N154E.

AN UPPER LOW NORTHWEST OF WAKE ISLAND AT 22N157E AND CONVERGING
SOUTHEAST SURFACE WINDS ARE CAUSING SCATTERED SHOWERS AND A FEW
THUNDERSTORMS NORTH OF 19N TO BEYOND 25N FROM 161E TO 170E.

A WEAK CIRCULATION IS NORTHEAST OF POHNPEI NEAR 8N160E. SCATTERED
SHOWERS AND A FEW THUNDERSTORMS APPROACHING CHUUK ARE WITHIN 100
MILES OF A LINE FROM 4N152E TO 9N154E AND APPROACHING POHNPEI
WITHIN 60 MILES OF 7N160E.

ANOTHER WEAK CIRCULATION IS NORTHEAST OF MAJURO AT 9N176E. PATCHY
SHOWERS ARE EAST OF A LINE FROM 14N171E TO 6N174E.

$$

SIMPSON



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