NWS FORECAST DISCUSSION- A LARGE DOME OF HIGH PRESSURE WILL KEEP HOT AND HUMID CONDITIONS OVER THE REGION THROUGH FRIDAY WITH THE HIGH GRADUALLY GIVING WAY TO AN APPROACHING COLD FRONT FROM THE NORTH LATE FRIDAY INTO SATURDAY. A DRIER AND COOLER AIRMASS WILL ACCOMPANY HIGH PRESSURE ON SUNDAY. TODAY AND FRIDAY WILL SEE HEAT INDICES REACHING OF 100+ WITH TEMPS IN THE LOW TO MID 90S COMBINING WITH DEWPOINTS NOT EXPECTED TO DROP BELOW 70 THROUGH MUCH OF THE AREA IN THE OVERNIGHT HOURS. HIGH PRESSURE WILL MAINTAIN WARM AND HUMID CONDITIONS THROUGH SATURDAY. THE COLD FRONT WILL INCREASE THE CHANCE FOR THUNDERSTORMS AS THE WEEKEND APPROACHES. CHANCES FOR THUNDERSTORMS INCREASE EACH DAY WITH A 30% CHANCE TODAY, 40% CHANCE FRIDAY AND 50% CHANCE ON SATURDAY. THERE IS PLENTY OF INSTABILITY IN THE AIRMASS AHEAD OF THE FRONTAL BOUNDARY PROVIDING THE POTENTIAL FOR STRONG TO SEVERE STORMS ESPECIALLY DURING PEAK HEATING AND INSTABILITY IN THE AFTERNOON AND EVENING. EMA
Posted on: Thu, 18 Jul 2013 15:13:22 +0000
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