Wind backs off, warm-up does not
THE BIG WARMUP HAS BEGUN, AND IT WILL CONTINUE IN FULL FORCE FOR THE NEXT COUPLE OF DAYS. IN FACT, BY THE TIME THE WEEKEND IS OVER WITH, MOST FOLKS WILL THINK THAT IT'S JUNE OR JULY, AND NOT EARLY MAY. THIS IS A PRETTY MUCH A CLASSIC SETUP FOR A MAJOR WARMING TREND. A BUILDING UPPER LEVEL RIDGE IS CAUSING MASSIVE HEIGHT RISES ACROSS THE EASTERN PART OF THE COUNTRY RIGHT NOW, AND THE SURFACE HIGH IS SETTING UP SHOP IN A PERFECT PLACE, I.E., OFF THE SOUTHEAST COAST OF THE U.S. YESTERDAY WE NOTED THAT APRIL WILL BE ENDING THE SAME WAY IT STARTED, WITH MUCH WARMER THAN NORMAL WEATHER. THE SAME CAN BE SAID ABOUT THE BEGINNING OF MAY 2010. A NUMBER OF LOCATIONS WILL BE CHALLENGING RECORD HIGH TEMPS THIS WEEKEND. IT DOES APPEAR THAT THE SURFACE GRADIENT WILL GRADUALLY TURN AROUND FROM WESTERLY TO SOUTHWEST, AND THEN PERHAPS MORE SOUTH-SOUTHWEST. THAT WILL CERTAINLY KEEP SOUTH-FACING SHORELINES NOTICEABLY COOLER BOTH DAYS OF THE WEEKEND. IF THE FLOW DOES END UP LEANING MORE TOWARD SOUTH THAN SOUTHWEST, THEN MORE BEACHES WILL BE AFFECTED BY THE OCEAN COOLING. AWAY FROM ANY WATER INFLUENCE, HOWEVER, THIS LOOKS TO BE ALMOST AS WARM AS IT GETS THIS TIME OF YEAR, AS 850 MB TEMPS PEAK NEAR +17 OR +18 DEGREES C. IN ADDITION TO THE SUMMERLIKE WARMTH/HEAT THIS WEEKEND, DEW POINTS WILL ALSO BE TRENDING UPWARD. 60+ DEW POINTS LOOK TO BE ALMOST A SURE BET OVER A LARGE AREA OF THE NORTHEAST AND MID-ATLANTIC STATES BY SATURDAY NIGHT AND SUNDAY. IT IS POSSIBLE THAT DEW POINTS WILL GET AS HIGH AS THE MID TO UPPER 60S. EVEN IF DEW POINTS BARELY REACH 60, THAT WILL STILL BE EXTREMELY NOTICEABLE. IF THIS WERE LATE JUNE OR JULY, IT WOULDN'T BE ANY BIG DEAL. HOWEVER, WHEN YOU CONSIDER THAT DEW POINTS TODAY IN MANY LOCATIONS ARE IN THE 20S, THAT IS A HUGE CHANGE! AS FOR SKY COVER, SOME WARM ADVECTION CLOUDS WILL BE AROUND FOR A TIME LATE TONIGHT INTO TOMORROW. HOWEVER, ANY WARM FRONTAL SHOWERS WILL STAY WELL TO OUR NORTH. OTHERWISE, SUNSHINE WILL WIN OUT OVER CLOUDINESS TOMORROW AND SATURDAY, AND THEN WE'LL PROBABLY JUST HAVE A MIX OF CLOUDS AND SUN ON SUNDAY. WE CAN'T TOTALLY RULE OUT A LATE-DAY OR NIGHTTIME SHOWER ON SATURDAY, MAINLY WEST OF THE CITY, BUT ODDS FAVOR IT STAYING DRY. THERE IS A BETTER CHANCE OF A SHOWER OR T-STORM ON SUNDAY AFTERNOON OR EVENING. HOWEVER, IT WOULD NOT BE SURPRISING IF MOST OF THE ACTIVITY HELD OFF UNTIL SUNDAY NIGHT. THE SLOWER THE NEXT COLD FRONT MOVES ALONG, THE MORE LIKELY IT IS TO STAY UNSETTLED INTO AT LEAST PART OF MONDAY.



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