1 lightning, as filed by the National Weather Service.
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Charleston, SC wrote its last area forecast discussion before the first event at Aug 20, 9:05 PM EST, 7 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE CHARLESTON SC 1005 PM EDT MON AUG 20 2001 WILL MAKE ONLY MINOR CHGS ON UPDATE. WILL LEAVE SLGT CHC POPS FOR ALL SXNS WITH CDFNT RMNG TO THE W...AND H5 VORT PROGGED TO MOV ACRS FA OVERNIGHT. STILL FAIRLY UNSTABLE ACRS AREA...SPLY S OF THE SAV RVR WITH LIS IN THE -4 TO -6 RANGE. WILL CONT WITH PTCLDY SKIES WITH MINS ARND 70 WELL INLAND TO THE MID 70S FOR CSTL SXNS. LIGHT WINDS EXPECTED OVERNIGHT. MARINE...OVERALL MARINE FORECAST LOOKS IN DECENT SHAPE. MAY HAVE TO MAKE SOME ADJUSTMENTS TO INITIAL CONDITIONS. BUT LATEST RAPID UPDATE CYCLE AND AVIATION MODEL RUNS SUPPORT FORECAST TREND. FCSTID = 22 CHS 71 90 68 88 / 20 10 10 10 SAV 71 91 67 91 / 20 10 0 0 CHL 75 89 72 88 / 20 10 10 10 NBC 71 90 68 89 / 20 10 10 10 RBW 69 90 65 90 / 20 10 0 0 .CHS... GA...NONE. SC...NONE. JAC
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
742 PM EDT MON AUG 20 2001
TIME(EDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0520 PM SUMMERVILLE SC .88 INCH HAIL
08/20/01 DORCHESTER ON HIGHWAY 17A IN
SUMMERVILLE
REPORTED BY OFF-DUTY NWS
EMPLOYEE
0523 PM 2 S SUMMERVILLE SC WIND DAMAGE
08/20/01 DORCHESTER 1 LARGE TREE DOWN ACROSS
US-17A NEAR SUMMERVILLE
REPORTED BY EMA
JBThe Charleston,SC radar (KCLX), 47 km away, was scanning. The volume nearest the first event began at 02:10 UTC.
1 lightning. Local standard time, as filed.
Lightning caused fire burned down a 7500 square foot home.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in South Carolina in 2001Every state in 2001This day in weather historyWarnings in South Carolina, August 2001
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5264379.