Alert archive / South Carolina / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 73, NWS Charleston, SC

August 11, 2000Berkeley County, South Carolina

NWS Charleston, SC issued this severe thunderstorm warning at Aug 11, 2000, 3:00 PM EDT for Berkeley County, South Carolina. It was in force for 30 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Aug 11, 2000, 3:00 PM EDT (19:00 UTC)
Expired
Aug 11, 2000, 3:30 PM EDT
In force
30 min
Issued by
NWS Charleston, SC
Area
Whole counties

County Berkeley County, SC

What was reported inside it

TimeReportWhereRemark
Aug 11, 3:20 PM EDTThunderstorm Wind 50 EGoose Creek, SCLarge limbs down.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 7.0 hours before the alert went out and 33 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Charleston AFB, SC at 12:00Z on 2000-08-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3414 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Charleston AFB, SC at 12:00Z on 2000-08-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 1 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
3414 J/kg
Mixed-layer CIN
-30 J/kg
Mixed-layer LCL
750 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
1 m²/s²
0-3 km storm-relative helicity
-2 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, 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 this severe thunderstorm warning went out at Aug 11, 12:12 PM EDT, 2 hours 48 minutes earlier.

Area forecast discussion, Aug 11, 12:12 PM EDT, 2 hours 48 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CHARLESTON SC
1212 PM EDT FRI AUG 11 2000

WILL UPDATE FCST THS AFTN FOR HEAT ADVISORY. INDICES ALREADY OVER
105 ALONG THE COAST AND EXPECT THEM TO REMAIN IN 105 TO 115 RANGE
THRU THE AFTN UNTIL TSRA MOVE THRU. KEY TO THIS IS 75 TO 80 DEGREE
DEWPOINTS FOR 1ST TIER OF COUNTIES IN SC IN 1ST AND 2ND TIERS IN SE
GA. WELL INLAND DEWPOINTS LWR...SO WL NOT ISSUE HEAT ADVISORY THERE.

UPDATE ON? THE WAY.

 .CHS...
SC...HEAT ADVISORY THIS AFTERNOON SCZ047-050.
GA...HEAT ADVISORY THIS AFTERNOON GAZ101-116>119-137>141.

WOODWORTH

N

In the hours before

Special weather statement, Aug 11, 10:28 AM EDT, 4 hours 32 minutes before
GAZ087-088-099>101-114>119-137>141-SCZ040-042>045-047>050-120000-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHARLESTON, SC
1028 AM EDT FRI AUG 11 2000

SCATTERED SHOWERS AND THUNDERSTORMS WILL DEVELOP ACROSS SOUTH
COASTAL SOUTH CAROLINA AND SOUTHEAST GEORGIA THIS AFTERNOON...AS AN
UPPER LEVEL DISTURBANCE AND COLD FRONT APPROACH THE REGION AND
INTERACT WITH THE HOT AND HUMID AIRMASS ALREADY IN PLACE. SOME OF
THESE STORMS MAY BECOME SEVERE...WITH THE MAIN THREAT BEING LARGE
HAIL. STRONG GUSTY WINDS WILL ALSO BE POSSIBLE WITH THESE STORMS.

THE THUNDERSTORMS WILL CONTINUE INTO THE EVENING HOURS THROUGHOUT
THE AREA...THEN WILL SLOWLY DIMINISH TOWARD MIDNIGHT AS THE COLD
FRONT MOVES OFFSHORE.

SPOTTER ACTIVATION MAY BE NEEDED... EMERGENCY MANAGERS AND SPOTTERS
SHOULD REMAIN ALERT FOR POSSIBLE WATCHES OR WARNINGS THIS AFTERNOON.

STAY TUNED TO NOAA WEATHER RADIO AND OTHER LOCAL MEDIA FOR FURTHER
DETAILS OR UPDATES.

WOODWORTH

The office that day

Everything else NWS Charleston, SC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 11, 1:42 PM EDTSevere Thunderstorm WarningCHSColleton48 min
Aug 11, 2:52 PM EDTSevere Thunderstorm WarningCHSCharleston, Dorchester23 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2000Every severe thunderstorm warning in 2000

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.