Satellite Interpretation Message
Issued by NWS Tiyan, Guam

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ATPQ40 PGUM 190308
SIMGUM

SATELLITE INTERPRETATION MESSAGE
NATIONAL WEATHER SERVICE TIYAN GU
108 PM CHST MON FEB 19 2018

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

A NEAR-EQUATORIAL TROUGH EXTENDS EAST-SOUTHEASTWARD FROM EAST OF
MINDANAO THROUGH 4N130E TO END SOUTH OF POHNPEI AT EQ158E. SCATTERED
SHOWERS AND A FEW THUNDERSTORMS ARE SEEN SOUTH OF KOROR WITHIN 50
MILES OF A LINE FROM 3N130E TO 3N135E TO 2N138E TO 1N135E.

A TRADE-WIND DISTURBANCE IS GENERATING SCATTERED SHOWERS AND A FEW
THUNDERSTORMS NEAR AND NORTH OF POHNPEI WITHIN 80 MILES OF A LINE
FROM 9N161E TO 7N158E TO 9N157E TO 12N163E...AND ALSO SOUTH OF KOSRAE
BETWEEN THE EQUATOR AND 2N FROM 158E TO 170E.

CONVERGENT TRADE WINDS ARE CAUSING WIDELY SCATTERED TO SCATTERED
SHOWERS AND A FEW THUNDERSTORMS ACROSS THE MARSHALL ISLANDS WITHIN
85 MILES OF A LINE FROM 9N167E TO 5N180.

A COLD FRONT CURVES SOUTHWESTWARD FROM WEST OF MIDWAY ISLAND THROUGH
25N170E TO SOUTHEAST OF MINAMI TORI SHIMA AT 20N157E...THEN CONTINUES
AS A SHEAR LINE TO END WEST OF THE CNMI NEAR 16N140E. CLOUDS AND RAIN
ARE PRESENT ALONG AND UP TO 180 MILES NORTHWEST OF THE FRONT. PATCHY
CLOUDS AND SHOWERS ARE FOUND ALONG AND UP TO 230 MILES NORTHWEST OF
THE SHEAR LINE.

WEAK TRADE-WIND DISTURBANCES ARE TRIGGERING SCATTERED SHOWERS
SOUTHWEST AND SOUTH OF IWO TO ISLAND BETWEEN 18N AND 23N FROM 131E TO
144E.

$$

CHAN



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