Alert archive / South Carolina / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 116, NWS Charleston, SC

July 20, 20104 counties in South Carolina

NWS Charleston, SC issued this severe thunderstorm warning at Jul 20, 2010, 3:07 PM EDT for 4 counties in South Carolina. It was in force for 38 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 20, 2010, 3:07 PM EDT (19:07 UTC)
Expired
Jul 20, 2010, 3:45 PM EDT
In force
38 min
Issued by
NWS Charleston, SC
Area
Storm-based polygon

Counties Allendale County, SC, Colleton County, SC, Hampton County, SC, Jasper County, SC

The radar

The Charleston,SC radar (KCLX), 11 km from the middle of the area, began a volume at 19:09 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

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 Jul 20, 1:45 PM EDT, 1 hour 22 minutes earlier.

Area forecast discussion, Jul 20, 1:45 PM EDT, 1 hour 22 minutes before
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Hazardous weather outlook, Jul 20, 3:40 AM EDT, 11 hours 27 minutes before
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In the hours before

Special weather statement, Jul 20, 1:46 PM EDT, 1 hour 21 minutes before
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Local storm report, Jul 20, 2:53 PM EDT, 14 minutes before
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Special weather statement, Jul 20, 2:58 PM EDT, 9 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
258 PM EDT TUE JUL 20 2010

SCZ042-043-201945-
HAMPTON-INLAND COLLETON-
258 PM EDT TUE JUL 20 2010

...STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF HAMPTON AND COLLETON
COUNTIES THROUGH 345 PM EDT...

AT 255 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM...NEAR LAKE WARREN STATE PARK...MOVING EAST AT 15
MPH.

SOME LOCATIONS THAT WILL BE AFFECTED INCLUDE...
ALMEDA INTERSECTION...BRUNSON...CROCKETVILLE...CUMMINGS...GIFFORD...
HAMPTON...ISLANDTON...LAKE WARREN STATE PARK...LENA...LURAY...MILEY
AND VARNVILLE...

PREPARE NOW FOR THE FOLLOWING HAZARDS...
GUSTY WINDS OF 40 TO 50 MPH...
DIME SIZE HAIL...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FREQUENT LIGHTNING IS OCCURRING WITH THIS THUNDERSTORM. IF
OUTDOORS...STAY AWAY FROM ISOLATED TALL OBJECTS. IF INDOORS...STAY
AWAY FROM WINDOWS AND DOORS. AVOID USING PLUMBING AND ELECTRICAL
APPLIANCES UNLESS IT IS AN EMERGENCY.

BE ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS AS STORMS APPROACH.
BE READY TO TAKE IMMEDIATE ACTION IN CASE A SEVERE THUNDERSTORM
WARNING IS ISSUED FOR YOUR LOCATION.

&&

LAT...LON 3290 8125 3291 8123 3292 8123 3293 8123
      3300 8091 3277 8084 3273 8122 3289 8127
TIME...MOT...LOC 1858Z 261DEG 11KT 3284 8115

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 20, 3:34 AM EDTHeat AdvisoryCHSBulloch, Candler, Effingham, Evans, Jenkins, Long and 2 more14 hr
Jul 20, 4:41 PM EDTSpecial Weather StatementCHSBulloch, Screven49 min
Jul 20, 4:49 PM EDTSevere Thunderstorm WarningCHSBulloch, Effingham, Screven56 min
Jul 20, 5:50 PM EDTSevere Thunderstorm WarningCHSBryan, Bulloch, Effingham55 min
Jul 20, 6:20 PM EDTSevere Thunderstorm WarningCHSEffingham55 min
Jul 20, 6:53 PM EDTSpecial Weather StatementCHSEffingham67 min
Jul 20, 7:10 PM EDTSevere Thunderstorm WarningCHSBryan, Bulloch, Effingham, Evans, Liberty, Tattnall65 min
Jul 20, 1:46 PM EDTSpecial Weather StatementCHSAllendale44 min
Jul 20, 2:58 PM EDTSpecial Weather StatementCHSHampton47 min
Jul 20, 4:05 PM EDTSpecial Weather StatementCHSJasper40 min
Jul 20, 4:24 PM EDTSpecial Weather StatementCHSColleton66 min
Jul 20, 4:26 PM EDTAreal Flood AdvisoryCHSBerkeley, Charleston, Dorchester64 min
Jul 20, 4:32 PM EDTSevere Thunderstorm WarningCHSBeaufort, Colleton, Hampton, Jasper58 min
Jul 20, 5:36 PM EDTSpecial Weather StatementCHSJasper54 min
Jul 20, 5:43 PM EDTSevere Thunderstorm WarningCHSHampton, Jasper47 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2010Every severe thunderstorm warning in 2010

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.