251
ATPQ40 PGUM 280318
SIMGUM
SATELLITE INTERPRETATION MESSAGE
NATIONAL WEATHER SERVICE TIYAN GU
118 PM CHST MON FEB 28 2022
WESTERN NORTH PACIFIC BETWEEN THE EQUATOR AND 25N FROM 130E TO 180.
A NEAR-EQUATORIAL TROUGH IS PRODUCING WIDESPREAD SHOWERS AND
ISOLATED THUNDERSTORMS WELL SOUTH OF WOLEAI AND CHUUK...IN A LARGE
REGION BOUNDED BY EQ130E TO 5N130E TO 5N154E TO EQ158E BACK TO
EQ130E.
CONVERGENT TRADE-WIND FLOW IS PRODUCING SCATTERED SHOWERS OVER
PALAU...SOUTHEAST OF THE MARIANAS AND A LINE OF SHOWERS OVER
YAP...IN AN AREA BOUNDED BY 5N134E TO 10N134E TO 16N155E TO 10N155E
BACK TO 5N134E.
A SHEARLINE EXTENDS FROM 13N130E TO 17N140E...PRODUCING CLOUDINESS
AND SHOWERS WELL WEST-NORTHWEST OF THE MARIANAS WITHIN 75 MILES OF
SAID BOUNDARY.
A PAIR OF WEAK COLD FRONTS EAST OF MINAMI-TORISHIMA AND NORTH OF WAKE
ISLAND EXTEND FROM 22N157E TO BEYOND 25N160E...AND FROM 24N164E TO
BEYOND 25N166E. THESE FEATURES ARE GENERATING CLOUDS AND SHOWERS
ALONG THEIR RESPECTIVE AXES.
ANOTHER BATCH OF CONVERGENT TRADE-WIND FLOW IS PRODUCING WIDESPREAD
SHOWERS AND ISOLATED THUNDERSTORMS OVER POHNPEI...KOSRAE AND EAST OF
CHUUK...IN AN AREA BOUNDED BY 3N157E TO 8N153E TO 6N165E TO 1N164E
BACK TO 3N157E.
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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