Satellite Interpretation Message
Issued by NWS Tiyan, Guam

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588
ATPQ40 PGUM 191517
SIMGUM

SATELLITE INTERPRETATION MESSAGE
NATIONAL WEATHER SERVICE TIYAN GU
117 AM CHST SAT JAN 20 2018

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

A SURFACE TROUGH CURVES NORTHEASTWARD FROM A WEAK CIRCULATION
CENTERED SOUTH OF KOROR NEAR 4N136E TO END WEST OF GUAM AT 13N142E.
WIDELY SCATTERED TO SCATTERED SHOWERS AND A FEW THUNDERSTORMS ARE
SEEN NEAR PALAU AND YAP WITHIN 130 MILES OF A LINE FROM 6N130E TO
12N141E.

A TRADE-WIND DISTURBANCE IS CAUSING SCATTERED SHOWERS AND A FEW
THUNDERSTORMS OVER POHNPEI AND KOSRAE BOND BY A LINE FROM 10N152E
TO EQ158E TO EQ165E TO 10N170E AND BACK TO 10N152E.

A LOW PRESSURE SYSTEM CENTERED SOUTHEAST OF IWO TO ISLAND NEAR
22N144E IS TRIGGERING SCATTERED SHOWERS NEAR THE NORTHERN TIP OF THE
MARIANA ISLANDS...NORTH OF A LINE FROM 19N145E TO 22N152E.

A SURFACE TROUGH RUNS NORTHEASTWARD FROM NEAR WAKE ISLAND AT 17N168E
TO BEYOND 25N AT 177E. SCATTERED SHOWERS AND A FEW THUNDERSTORMS ARE
OCCURRING NORTHEAST OF WAKE WITHIN 125 MILES OF A LINE FROM 20N170E
TO 23N180E.

$$

CHAN



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