**TROPICAL LOW PRESSURE ANDREA*** WILL CONTINUE RACING TO OFF THE NEW ENGLAND COAST THIS AFTERNOON, BUT WITH SOME LATENT MOISTURE LEFT BEHIND...LOW HANGING CLOUDS & POSSIBLY A LINGERING SHOWER OR DRIZZLE, THEN WILL SLOWLY BREAK FOR SOME SUN THIS AFTERNOON, AS HIGHS RANGE FROM THE PLEASANT LOW TO MID 70`S. **TONIGHT...HIGH PRESSURE WILL BUILD INTO WESTERN, NY, GENERALLY CLEARING THE SKIES ACROSS MOST OF NY & PA WITH COOL TEMPERATURES TO THE MID TO UPPER 40`S. ***A SUPERB SUNDAY IS ON TAP WITH MOSTLY SUNNY SKIES,AS THE AREA OF HIGH PRESSURE MOVES ACROSS THE REGION & THE WIND FLOW WILL TURN MORE OUT OF THE SOUTH DURING THE AFTERNOON...BOOSTING READINGS TO AROUND 80 DEGREES. ***SUNDAY NIGHT & MONDAY...CHANGES RETURN BACK TO THE AREA, AS THE COMBINATION OF HIGH PRESSURE OFF THE EAST COAST & AN AMPLIFYING UPPER- LEVEL TROUGH CROSSES THE MISSISSIPPI VALLEY TO THE WESTERN GREAT LAKES, EVOLVING A SURFACE LOW PRESSURE SYSTEM OVER THE UPPER MIDWEST. THIS WILL GENERATE AN INCREASING LOW- LEVEL JET WIND MAINLY FROM THE SOUTHWEST TO LIFT A WARM FRONT FROM THE OHIO VALLEY THROUGH WESTERN, PA/ WESTERN, NY DURING MONDAY. THE EUROPEAN FORECAST MODEL BRINGS IN SHOWERS & A FEW T-STORMS DURING THE AFTERNOON, WHILE A FEW OTHER MODELS USHER IN THE SHOWERS & THUNDER EARLY MONDAY. THERE IS A SLIGHT CHANCE CONVECTIVE ACTIVITY COULD BE HIGH ENOUGH FOR MARGINALLY SEVERE T-STORMS IN A FEW AREAS WHERE ENHANCED SURFACE HEATING WITH ENOUGH SUNNY BREAKS COULD OCCUR TO DESTABILIZE THE ATMOSPHERE, ALONG WITH UNIDIRECTIONAL WIND SHEAR ALOFT. THE PRIMARY CONCERN WOULD BE "DAMAGING WIND GUSTS" & POSSIBLE LARGER HAIL. DUE TO THE FACT A FEW AREAS RECEIVED SOME SIGNIFICANT RAINFALL THE LAST COUPLE DAYS...GRAPHICALLY SHOWN BELOW...SOME FLOODING CONCERNS COULD BECOME LIKELY WITH THE FORECAST SLOW- MOVING STORMS MONDAY INTO TUESDAY. BY EARLY TUESDAY...EXTENDED WEATHER MAPS ARE SHOWING LOW PRESSURE NEAR BUFFALO,NY & THE UPPER- LEVEL TROUGH ACROSS TH EASTERN GREAT LAKES.I WILL KEEP MONITORING THIS SITUATION THROUGH THE WEEKEND & POST UPDATES **FROM** STEVE NATISON...VOLUNTEER SKYWARN SPOTTER FOR THE NWS.
Posted on: Sat, 08 Jun 2013 12:55:28 +0000
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