Satellite Interpretation Message
Issued by NWS Tiyan, Guam

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4
000
ATPQ40 PGUM 300230
SIMGUM

SATELLITE INTERPRETATION MESSAGE
NATIONAL WEATHER SERVICE TIYAN GU
ISSUED BY NATIONAL WEATHER SERVICE HONOLULU HI
100 PM CHST TUE SEP 30 2014

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

TROPICAL STORM PHANFONE...CENTERED ABOUT 175 MILES EAST OF SAIPAN...
IS MOVING TOWARD THE WEST-NORTHWEST. CLOUDS...SHOWERS AND EMBEDDED
THUNDERSTORMS ASSOCIATED WITH THE BROADER CIRCULATION AROUND PHANFONE
DOMINATE REGIONAL SATELLITE IMAGES IN THE TROPICAL WESTERN NORTH
PACIFIC...STRETCHING NORTHEASTWARD FROM KOROR TO YAP...WITH A BREAK
IN THE CLOUDINESS FROM YAP TO NEAR GUAM. FROM GUAM NORTHEASTWARD...
FOR ABOUT 850 MILES...SKIES ARE MOSTLY CLOUDY WITH HEAVY SHOWERS
AND THUNDERSTORMS. CLOUD TOP TEMPERATURES AS COLD AS -75 DEGREES
CELSIUS CORRESPOND TO CLOUD TOPS AS HIGH AS 50 THOUSAND FEET.

A MONSOON TROUGH EXTENDS EASTWARD FROM AN AREA NORTH OF KOROR AND
YAP...ALONG ABOUT 14N...TO NEAR GUAM...TO TROPICAL STORM PHANFONE...
AND THEN NORTHEASTWARD TO 19N 153E...OR ABOUT 500 MILES NORTHEAST OF
THE CENTER OF PHANFONE. TO THE SOUTH OF THE MONSOON TROUGH...A BROAD
AREA OF CONVERGENT SOUTHWESTERLY AND WESTERLY FLOW SUPPORTED
SCATTERED THUNDERSTORMS BETWEEN 130E AND 140E FROM 06N TO 11N...AND
BETWEEN 143E AND 156E FROM 10N TO 19N.

WHILE SOUTHWEST FLOW PREVAILS NEAR CHUUK...ONLY ISOLATED SHOWERS AND
THUNDERSTORMS ARE SEEN TO THE NORTHEAST OF CHUUK. LIGHT WINDS
PREVAIL NEAR POHNPEI WITH LITTLE IN THE WAY OF ORGANIZED CLOUDINESS
LEADING TO MOSTLY SUNNY AND DRY CONDITIONS. A WEAK DISTURBANCE NEAR
MAJURO HAS SCATTERED THUNDERSTORMS TO ITS EAST...MAINLY FROM 4N TO
10N BETWEEN 173E AND 179E.

WATER VAPOR IMAGERY SHOWS A SMALL CLOSED LOW ALOFT TO THE NORTHEAST
OF PHANFONE...CURRENTLY NEAR 20N 159E...MOVING WEST AT ABOUT 25
MPH.

$$

BIRCHARD





USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.