Satellite Interpretation Message
Issued by NWS Tiyan, Guam

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000
ATPQ40 PGUM 201510
SIMGUM

SATELLITE INTERPRETATION MESSAGE
NATIONAL WEATHER SERVICE TIYAN GU
100 AM CHST SUN DEC 21 2014

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

A COLD FRONT RUNS SOUTHWESTWARD FROM SOUTH OF MIDWAY ISLAND THROUGH
22N180 TO EAST OF WAKE ISLAND AT 19N170E...THEN CONTINUES WESTWARD
AS A SHEAR LINE PASSING SOUTH OF PAGAN AT 17N146E TO BEYOND 130E AT
16N. CLOUDINESS AND PATCHY RAIN ARE SEEN ALONG AND UP TO 250 MILES
NORTHWEST OF THE FRONT. SPOTTY LIGHT SHOWERS ARE FOUND ALONG AND UP
TO 200 MILES NORTH OF THE SHEAR LINE.

ANOTHER COLD FRONT CUTS SOUTHWESTWARD ACROSS THE DISCUSSION AREA
FROM 25N134E TO 20N130E. CLOUDS AND MODERATE RAIN ASSOCIATED WITH
THIS FEATURE ARE OCCURRING NORTHWEST OF A LINE FROM 20N130E TO
25N138E.

A WEAK CIRCULATION IS CENTERED WELL SOUTHWEST OF CHUUK AT EQ143E.
SCATTERED SHOWERS AND A FEW THUNDERSTORMS ARE PRESENT BETWEEN THE
EQUATOR AND 3N FROM 140E TO 150E.

CONVERGING TRADE WINDS ARE CAUSING WIDELY SCATTERED SHOWERS AND A
FEW THUNDERSTORMS NEAR YAP WITHIN 90 MILES OF A LINE FROM 11N132E TO
8N144E...AND SOUTH OF GUAM WITHIN 50 MILES OF A LINE FROM 13N139E TO
13N149E.

A TRADE-WIND DISTURBANCE IS PRODUCING SCATTERED SHOWERS OVER
BUTARITARI BUT SOUTHEAST OF MAJURO WITHIN 115 MILES OF A LINE FROM
3N171E TO 6N180.

$$

CHAN





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