949
ATPQ40 PGUM 270235
SIMGUM
SATELLITE INTERPRETATION MESSAGE
NATIONAL WEATHER SERVICE TIYAN GU
1235 PM CHST SUN FEB 27 2022
WESTERN NORTH PACIFIC BETWEEN THE EQUATOR AND 25N FROM 130E TO 180.
TO THE SOUTHWEST OF HELEN'S REEF IS A BUFFER CENTERED NEAR
EQ132E...INDUCING CONVERGENT TRADE-WIND FLOW THAT IS BRINGING
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS IN AN AREA OVER PALAU
AND WEST OF YAP...BETWEEN THE EQUATOR AND 10N FROM 130E TO 137E.
INTERACTING WITH THIS FEATURE IS A NEAR-EQUATORIAL TROUGH...THAT
EXTENDS FROM EQ153E TO 6N137E AND IS BRINGING SCATTERED SHOWERS AND
SOME THUNDERSTORMS TO A REGION SOUTH OF CHUUK AND SOUTHWEST OF
POHNPEI IN AN AREA BOUNDED BY EQ137E TO 9N137E TO 6N159E TO EQ159E
BACK TO EQ137E.
WELL WEST OF THE MARIANAS RESIDES A SHEARLINE THAT EXTENDS FROM
20N158E TO 17N145E TO 10N132E...GENERATING SHOWERS AND SOME
THUNDERSTORMS WITHIN 150 MILES OF SAID BOUNDARY.
OVER THE SOUTHERN MARSHALL ISLANDS ARE LINES OF CLOUDS AND SOME
SHOWERS GENERATED BY GENTLE TRADE-WIND CONVERGENCE...OVER AN AREA
BETWEEN 2N AND 11N FROM 170E TO THE DATELINE.
NATIONAL WEATHER SERVICE GUAM WILL DISCONTINUE THE ISSUANCE OF THE
ATPQ40 PGUM (SIMGUM) EFFECTIVE 1 MAR 2022. IT WILL BE REPLACED BY
AXPQ20 PGUM (TWDPQ)...WHICH WILL PROVIDE ENHANCED INFORMATION.
E. PAVLIUKOIT
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