Satellite Interpretation Message
Issued by NWS Tiyan, Guam

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000
ATPQ40 PGUM 220309
SIMGUM

SATELLITE INTERPRETATION MESSAGE
NATIONAL WEATHER SERVICE TIYAN GU
109 PM CHST WED FEB 22 2017

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

A COLD FRONT CURVES SOUTHWESTWARD THROUGH 25N163E THEN HEADS WEST
THROUGH 20N140E AND CONTINUES TO 21N130E. CLOUDINESS AND PATCHY
SHOWERS EXTEND ALONG AND ABOUT 200 MILES NORTH OF THIS BOUNDARY.

A WEAKENING STATIONARY FRONT EXTENDS FROM 25N168E SOUTHWESTWARD TO
20N158E AND THEN PROCEEDS SOUTH-SOUTHWESTWARD AS A WEAK SHEAR LINE TO
13N149E. SCATTERED CLOUDS AND PATCHY SHOWERS ARE WITHIN 50 MILES
OF THE INDICATED BOUNDARIES.

A TRADE-WIND DISTURBANCE IS GENERATING SCATTERED SHOWERS AND
ISOLATED THUNDERSTORMS NEAR PALAU AND WESTERN YAP STATE WITHIN
125 MILES OF A LINE FROM 9N130E TO 8N138E.

TRADE-WIND CONVERGENCE IS PRODUCING TWO AREAS OF SCATTERED
SHOWERS AND THUNDERSTORMS. ONE AREA EXTENDS AROUND 200 MILES
EITHER SIDE OF A LINE FROM THE EQUATOR-155E TO 9N160E. THAT AREA
IS PRIMARILY AFFECTING POHNPEI STATE. THE SECOND AREA EXTENDS FROM
THE DATE LINE AND 4N NORTHWESTWARD TO 9N165E. IT IS PRIMARILY
AFFECTING THE SOUTHERN AND CENTRAL MARSHALL ISLANDS WITH SCATTERED
SHOWERS AND A FEW THUNDERSTORMS.

$$

GUARD


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