787
WWUS72 KCHS 210604
NPWCHS
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHARLESTON SC
204 AM EDT FRI AUG 21 2026
GAZ137-216>219-238>241-SCZ148>152-211415-
/O.NEW.KCHS.HT.Y.0028.260821T1500Z-260822T0000Z/
LONG-INLAND BRYAN-COASTAL BRYAN-INLAND CHATHAM-COASTAL CHATHAM-
INLAND LIBERTY-COASTAL LIBERTY-INLAND MCINTOSH-COASTAL MCINTOSH-
BEAUFORT-COASTAL COLLETON-CHARLESTON-COASTAL JASPER-TIDAL
BERKELEY-
INCLUDING THE CITIES OF RICHMOND HILL, PEMBROKE, CHARLESTON,
WILMINGTON ISLAND, HILTON HEAD ISLAND, BEAUFORT, NORTH CHARLESTON,
SAVANNAH, CHELSEA, DARIEN, MOUNT PLEASANT, LUDOWICI, LEVY, OAK LEVEL,
FORT STEWART, FORT MCALLISTER, EDISTO BEACH, POOLER, HINESVILLE,
TYBEE ISLAND, TOWNSEND, JASPER, DANIEL ISLAND, AND GARDEN CITY
204 AM EDT FRI AUG 21 2026
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT THIS
EVENING...
* WHAT...HEAT INDEX VALUES UP TO 110 EXPECTED.
* WHERE...PORTIONS OF SOUTHEAST GEORGIA AND SOUTHEAST SOUTH CAROLINA.
* WHEN...FROM 11 AM THIS MORNING TO 8 PM EDT THIS EVENING.
* IMPACTS...HOT TEMPERATURES AND HIGH HUMIDITY MAY CAUSE HEAT
ILLNESSES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF
THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS.
ETM
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