Satellite Interpretation Message
Issued by NWS Tiyan, Guam

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000
ATPQ40 PGUM 240309
SIMGUM

SATELLITE INTERPRETATION MESSAGE
NATIONAL WEATHER SERVICE TIYAN GU
109 PM CHST SUN SEP 24 2017

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

A CIRCULATION IS LOCATED SOUTHWEST OF PALAU NEAR 5N132E. A SURFACE
TROUGH EXTENDS FROM THE CIRCULATION TO 18N136E. SCATTERED SHOWERS AND
ISOLATED THUNDERSTORMS ARE LOCATED JUST NORTHWEST AND NORTH OF PALAU
BETWEEN 9N AND 14N FROM 130E TO 134E AND BETWEEN 15N AND 22N FROM
133E TO 136E. A SECOND TROUGH EXTENDS FROM THE CIRCULATION TO NEAR
17N144E AND IS GENERATING SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS OVER AND JUST WEST OF THE MARIANAS BETWEEN 12N AND
16N FROM 136E TO 143E AND BETWEEN 10N AND 16N FROM 143E TO 146E.

AN UPPER-LEVEL TROUGH EXTENDS FROM 13N153E THROUGH AND UPPER LOW
NEAR 17N160E TO 19N170E AND CONTINUES BEYOND 180 AT 18N. UPPER-
LEVEL DIVERGENCE SOUTH OF THIS LOW AND TROUGH IS CREATING ISOLATED
THUNDERSTORMS EAST OF THE MARIANAS BETWEEN 11N AND 17N FROM 152E
TO 160E AND SOUTH OF WAKE ISLAND BETWEEN 13N AND 15N FROM 160E TO
167E.

ANOTHER SURFACE TROUGH EXTENDS FROM 2N160E TO 7N180 AND FARTHER
NORTHEAST. THIS TROUGH IS GENERATING SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS EAST OF MAJURO BETWEEN 4N AND 8N FROM 173E TO 180.

LOW-LEVEL CONVERGENCE IS PRODUCING SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS SOUTHWEST OF CHUUK BETWEEN THE EQUATOR AND 3N FROM 142E
TO 147E.

$$

ZIOBRO


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