Monday through Friday

By: NWS
By: NWS

AT THE ONSET OF THE PERIOD...THE UPPER LEVELS WILL BE CHARACTERIZED BY A LONG WAVE TROUGH ACROSS THE ERN CONUS AND LONG WAVE RIDGE OVER THE WRN CONUS. A SURFACE COLD FRONT TRAILING SWD FROM LOW OVER ONTARIO CANADA WILL SETTLE SEWD THROUGH THE TN VALLEY INTO NRN PORTIONS OF THE GULF COAST STATES ON MONDAY. BOTH THE GFS AND ECMWF STALL AND DISSIPATE THIS FRONT JUST NORTH OF THE CWA AS THE MAIN UPPER LEVEL TROUGH AXIS DEAMPLIFIES AND LIFTS NEWD FROM THE REGION. BEST RAIN CHANCES (40-45 PERCENT) WILL BE OVER NRN/WRN ZONES IN CLOSEST PROXIMITY TO THE LOW LEVEL FORCING. THEN FROM TUESDAY THROUGH THE END OF WORK WEEK...THE GLOBAL GUIDANCE SHOWS ADDITIONAL ENERGY EJECTING FROM THE INTERMOUNTAIN WEST AND AMPLIFYING THE UPPER TROUGH OVER THE PLAINS/MS VALLEY. THE UPPER RIDGE WILL STRENGTHEN ALONG THE SE COAST KEEPING MOST OF THE SHORT WAVE ENERGY WELL TO OUR WEST...WITH A RETURN TO NORMAL CONDITIONS FOR LATE JULY. HIGHS DURING THE EXTENDED PERIOD WILL RANGE FROM THE UPPER 80S COAST TO LOWER 90S INLAND WITH LOWS IN THE 70S. POPS WILL BE DIURNALLY DRIVEN BY DAILY SEA BREEZES...WITH 40 PERCENT DAYTIME...LOWERING TO 20 PERCENT NIGHTTIME.


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