Satellite Interpretation Message
Issued by NWS Tiyan, Guam

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000
ATPQ40 PGUM 220254
SIMGUM

SATELLITE INTERPRETATION MESSAGE
NATIONAL WEATHER SERVICE TIYAN GU
100 PM CHST TUE AUG 22 2017

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

MOSTLY DRY CONDITIONS PREVAIL THROUGH OUT MICRONESIA WITH ONLY A FEW
AREAS OF INTEREST AS WE GET A SLIGHT BREAK IN THE RAINY SEASON
WEATHER PATTERN. JUST EAST OF THE MARIANAS A WEAK TROUGH WITHIN THE
TRADE-WIND FLOW IS SLOWLY MOVING TO THE WEST WITH PATCHES OF
SCATTERED SHOWERS AND SOME ISOLATED THUNDERSTORMS PRIMARILY LOCATED
BETWEEN 12N AND 15N FROM 146E TO 149E. FARTHER TO THE WEST A WEAK
SURFACE CIRCULATION IS LOCATED JUST NORTH OF YAP NEAR 12N149E AND IS
PART OF A WEAKLY DEFINED SURFACE TROUGH STRETCHING NORTHWARD FROM
EAST OF YAP NEAR 8N TO NORTH OF 20N. PATCHES OF SCATTERED SHOWERS
AND ISOLATED THUNDERSTORMS ARE FORMING WITHIN THIS AREA PRIMARILY
BETWEEN 135E AND 140E. ALONG THE WESTERN BOUNDARY OF OUR AREA...WEST
OF 132E SOUTHERLY WINDS FLOWING INTO TROPICAL STORM HATO...NORTHWEST
OF LUZON... ARE AIDING THE DEVELOPMENT OF A LARGE STRETCH OF
SCATTERED SHOWERS AND THUNDERSTORMS.

ELSEWHERE...AN EAST-WEST ORIENTATED TROUGH IS LOCATED BETWEEN CHUUK
AND POHNPEI BRINGING SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS
FROM 6N TO 10N BETWEEN 152E AND 159E. A WEAK CIRCULATION MAY BE SEEN
IN THE HIGH RESOLUTION VISUAL JUST TO THE NORTH OF POHNPEI NEAR
9N158E. ANOTHER WEAK CIRCULATION PRODUCING A SMALL AREA OF SCATTERED
SHOWERS AND THUNDERSTORMS IS LOCATED NEAR 14N166E.

$$

EDSON



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