...PROLONGED HOT AND HUMID WEATHER EXPECTED THIS WEEKEND INTO EARLY NEXT WEEK...
A WARM FRONT WILL SURGE NORTH THROUGH THE MIDSOUTH ON FRIDAY. CLOUDS AND PRECIPITATION MAY LIMIT HIGHS TO THE UPPER 80S OR LOWER 90S NORTH OF I-40... BUT ENOUGH SUN SHOULD BREAK OUT SOUTH OF I-40 AND ALLOW TEMPERATURES TO REACH THE MID 90S BY LATE FRIDAY AFTERNOON. COUPLE THIS WITH HIGH HUMIDITY AND HEAT INDEX READINGS WILL RANGE FROM 100 TO 105 ACROSS NORTHERN MISSISSIPPI AND EAST CENTRAL ARKANSAS.
A DEEP TROPICAL SOUTHERLY FLOW WILL REMAIN IN PLACE AS A LARGE RIDGE BUILDS OVER THE LOWER MISSISSIPPI RIVER VALLEY THIS WEEKEND. HIGHS SATURDAY THROUGH MONDAY SHOULD RANGE FROM THE MID TO UPPER 90S ACROSS THE ENTIRE MIDSOUTH... WITH DEW POINTS LIKELY IN THE LOWER 70S. THIS WILL MAKE FOR HEAT INDEX VALUES AROUND 105 DEGREES EACH DAY. HEAT ADVISORIES WILL LIKELY BE ISSUED THIS WEEKEND.
THE HEAT AND HUMIDITY WILL NOT SUBSIDE MUCH AT NIGHT WITH TEMPERATURES ONLY DROPPING INTO THE MID 70S IN MOST RURAL AREAS...TO AROUND 80 IN DOWNTOWN MEMPHIS. STUDIES HAVE SHOWN WHEN TEMPERATURES DO NOT DROP MUCH BELOW THE MID 70S AT NIGHT...PEOPLE WITHOUT SUFFICIENT COOLING PRACTICES ARE MOST SUSCEPTIBLE TO HEAT RELATED ILLNESSES BECAUSE THEIR BODY NEVER HAS A PROLONGED PERIOD TO COOL DOWN.
EXCESSIVE HEAT IS THE NUMBER ONE WEATHER KILLER. WHILE THIS PART OF THE COUNTRY SEES ITS FAIR SHARE OF SUMMER HEAT... THIS WILL BE THE FIRST HEAT WAVE OF THE SUMMER SO PEOPLE SHOULD BE ESPECIALLY PREPARED FOR THE DANGERS EXCESSIVE HEAT POSES. YOUNG CHILDREN... ELDERLY PEOPLE AND THOSE WITH ILLNESSES OR HEART CONDITIONS ARE MOST AT RISK. LIMIT OUTDOOR ACTIVITIES TO EARLY IN THE MORNING OR UNTIL EVENING. IF YOU HAVE A WORKING AIR CONDITIONER USE IT... OR AT LEAST OPEN WINDOWS AND ALLOW AIR TO CIRCULATE.
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NWS
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