Satellite Interpretation Message
Issued by NWS Tiyan, Guam

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000
ATPQ40 PGUM 270228
SIMGUM

SATELLITE INTERPRETATION MESSAGE
NATIONAL WEATHER SERVICE TIYAN GU
100 PM CHST FRI MAR 27 2015

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

NEWLY FORMED TROPICAL DEPRESSION 04W IS NEAR POHNPEI AT 7N158E WITH
MAXIMUM SUSTAINED WINDS OF 30 MPH AND MOVING TOWARD WEST AT 9 MPH.
NUMEROUS SHOWERS AND A FEW THUNDERSTORMS ARE BETWEEN 11N AND 5N FROM
154E TO 160E. SCATTERED SHOWERS AND A FEW THUNDERSTORMS NEAR KOSRAE
ARE WITHIN 125 MILES OF A LINE FROM 9N161E TO 3N167E AND BETWEEN 4N
AND THE EQUATOR FROM 156E TO 163E. FOR MORE INFORMATION ON TD 04W
SEE ADVISORIES ISSUED BY THE JOINT TYPHOON WANRING CENTER UNDER WMO
HEADER WTPN31 PGTW AND NATIONAL WEATHER SERVICE GUAM UNDER WMO
HEADER WTPQ31 PGUM.

A NEAR-EQUATORIAL TROUGH RUNS EASTWARD FROM MINDANAO ACROSS 2N130E
THROUGH A WEAK CIRCULATION WELL SOUTHEAST OF KOROR NEAR 3N138E THEN
NORTHEASTWARD TO TROPICAL DEPRESSION 04W AT 7N158E. SCATTERED
SHOWERS AND ISOLATED THUNDERSTORMS SOUTH OF KOROR ARE BETWEEN 6N AND
2N FROM 130E TO 139E.

A COLD FRONT EXTENDS SOUTHWESTWARD FROM NORTHEAST OF WAKE ISLAND AT
25N172E TO 22N166E THEN CONTINUES AS A SHEAR LINE TO JUST SOUTHWEST
OF GUAM AT 11N144E. CLOUDINESS AND PATCHY RAIN ARE ALONG AND UP TO
350 MILES NORTHWEST OF THIS BOUNDARY.

A WEAK SHEAR LINE CURVES SOUTHWESTWARD FROM ACROSS THE MARIANA
ISLANDS AT 18N148E TO 12N140E TO ABOUT 11N130E. PATCHY CLOUDS AND A
FEW SHOWERS ARE ALONG AND UP TO 150 MILES NORTH OF THIS SHEAR LINE.

$$

SIMPSON


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