.EASTERN MICRONESIA... A NEAR-EQUATORIAL TROUGH STRETCHES EAST-NORTHEASTWARD FROM SOUTHEAST OF CHUUK AT 5N154E THRU TWO CIRCULATIONS CENTERED NEAR POHNPEI AT 7N160E AND NORTHEAST OF MAJURO AT 8N176E TO BEYOND 180 AT 9N. AT THE UPPER LEVELS...A LOW IS SHIFTING WESTWARD AWAY FROM CHUUK WHILE A RIDGE IS BUILDING WESTWARD OVER POHNPEI. THE DEPARTING LOW WILL MAINTAIN A SLIGHT THREAT OF THUNDERSTORMS NEAR CHUUK TODAY. WITH MAINLY LIGHT WINDS NEAR THE TROUGH AXIS... CONVERGENT UPPER WINDS NEAR THE RIDGE SHOULD PROMOTE DRIER CONDITIONS OVER POHNPEI THRU WEDNESDAY AFTERNOON AND OVER KOSRAE UNTIL EARLY WEDNESDAY MORNING. AS THE UPPER LOW MOVES FARTHER WEST OF CHUUK TONIGHT...THE SAME DRIER CONDITIONS WILL ALSO SPREAD WESTWARD FROM POHNPEI OVER WENO ISLAND. LATEST 200MB STREAMLINE ANALYSIS REVEALS AN UPPER-LEVEL TROUGH IN THE VICINITY OF THE MARSHALL ISLANDS NEAR 169E. THIS SYSTEM WILL CONTINUE TO TRIGGER ISOLATED THUNDERSTORMS NEAR MAJURO THRU WEDNESDAY AFTERNOON. ONCE THIS UPPER TROUGH HAS DRIFTED AWAY FROM THE MARSHALL ISLANDS BY WEDNESDAY NIGHT...LIGHT SOUTHERLY WINDS SOUTH OF THE NEAR-EQUATORIAL TROUGH WILL BRING BACK PLEASANT WEATHER TO MAJURO FOR THE REST OF THIS WEEK. ON THE OTHER HAND...THIS SAME UPPER TROUGH IS GOING TO GENERATE A PERIOD OF INSTABILITY OVER KOSRAE AND POHNPEI AROUND MIDWEEK AND POSSIBLY OVER CHUUK TOWARD THE WEEKEND. BY THIS WEEKEND...THE ENTIRE REGION SHOULD BE UNDER PARTLY CLOUDY SKIES AND LIGHT SOUTHERLY WINDS.
Posted on: Mon, 25 Aug 2014 23:16:26 +0000
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