Satellite Interpretation Message
Issued by NWS Tiyan, Guam

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ATPQ40 PGUM 170244
SIMGUM

SATELLITE INTERPRETATION MESSAGE
NATIONAL WEATHER SERVICE TIYAN GU
1244 PM CHST THU AUG 17 2017

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

A DISTURBANCE NORTHEAST OF THE MARIANAS IS GENERATING SCATTERED
SHOWERS AND ISOLATED THUNDERSTORMS ACROSS THE CNMI BETWEEN 13N AND
20N FROM 143E TO 150E.

LOW-LEVEL CONVERGENCE IS PRODUCING SCATTERED SHOWERS AND A FEW
THUNDERSTORMS NEAR KOROR AND YAP WITHIN 100 MILES OF A LINE FROM
5N130E TO 11N142E.

A SURFACE TROUGH JUST WEST OF CHUUK EXTENDS NORTHEASTWARD FROM
EQ141E TO 14N152E. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS
ARE FOUND BETWEEN YAP AND CHUUK SOUTH OF A LINE FROM 3N140E TO
13N145E TO 13N150E.

A SECOND SURFACE TROUGH EXTENDS NORTHEASTWARD FROM 4N154E TO
12N161E. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS ARE PRESENT
ACROSS POHNPEI AND NEAR CHUUK WITHIN 225 MILES OF A LINE FROM
3N153E TO 12N161E.

TRADE-WIND CONVERGENCE IS TRIGGERING PATCHY SHOWERS AND A FEW
THUNDERSTORMS FROM NEAR KOSRAE TO THE DATE LINE WITHIN 125 MILES
OF A LINE FROM 4N160E TO 6N180.

AN UPPER-LEVEL LOW IS CENTERED SOUTHWEST OF WAKE ISLAND NEAR
17N163E. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS ARE SEEN
SOUTHWEST OF WAKE WITHIN AN AREA BOUNDED BY A LINE FROM 19N164E TO
11N165E TO 15N156E BACK TO 19N164E.

$$

AYDLETT



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