085
ATPQ40 PGUM 271542
SIMGUM
SATELLITE INTERPRETATION MESSAGE
NATIONAL WEATHER SERVICE TIYAN GU
142 AM CHST MON FEB 28 2022
WESTERN NORTH PACIFIC BETWEEN THE EQUATOR AND 25N FROM 130E TO 180.
OVER POHNPEI AND KOSRAE AND EXTENDING EASTWARD TO THE DATELINE...
TRADE-WIND CONVERGENCE IS PRODUCING SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS UP TO 100 MILES FROM A LINE FROM 7N158E TO 5N164E TO
7N171E. PATCHY SHOWERS AND CLOUDINESS THEN EXTENDS OVER MAJURO FROM
7N171E TO 6N180E.
NORTH AND WEST OF THE MARIANAS RESIDES THE FRAGMENT OF A SHEARLINE
THAT EXTENDS FROM 23N158E TO 11N130E. A BAND OF CLOUDINESS AND
PATCHY SHOWERS CAN BE FOUND WITHIN 150 MILES OF THE BOUNDARY...WITH
HEAVIER SHOWERS AND A THUNDERSTORM OR TWO FOUND FROM 12N133E TO
11N130E.
EXTENDING FROM THE EQUATOR AT 155E TO 5N149E...A NEAR-EQUATORIAL
TROUGH IS PRODUCING HEAVY SHOWERS AND ISOLATED THUNDERSTORMS NEAR
KAPINGAMARANGI. SHOWERS AND THUNDERSTORMS CAN BE FOUND WITHIN 100
MILES OF THE TROUGH AXIS.
ANOTHER NEAR-EQUATORIAL TROUGH EXTENDS ALONG THE EQUATOR FROM 145E
TO 135E AND THEN EXTENTS TOWARDS THE NORTHWEST TO 2N130E. HEAVY
SHOWERS AND ISOLATED THUNDERSTORMS CAN BE FOUND NORTH OF THE TROUGH
AXIS WITHIN 80 MILES OF A LINE FROM 5N130E TO EQ145E. TRADE-WIND
CONVERGENCE FURTHER NORTH OF THE NEAR-EQUATORIAL TROUGH IS PRODUCING
SCATTERED SHOWERS AROUND YAP AND PALAU WITHIN AN AREA BETWEEN 7N AND
10E FROM 131E TO 141E.
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.
SCHANK
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