Alert archive / South Carolina / Severe Thunderstorm Warnings in 2010
Severe Thunderstorm Warning 210, NWS Charleston, SC
NWS Charleston, SC issued this severe thunderstorm warning at Oct 25, 2010, 7:34 PM EDT for 4 counties in South Carolina. It was in force for 56 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
- Oct 25, 2010, 7:34 PM EDT (23:34 UTC)
- Expired
- Oct 25, 2010, 8:30 PM EDT
- In force
- 56 min
- Issued by
- NWS Charleston, SC
- Area
- Storm-based polygon
Counties Berkeley County, SC, Charleston County, SC, Colleton County, SC, Dorchester County, SC
The radar
The Charleston,SC radar (KCLX), 83 km from the middle of the area, began a volume at 23:34 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Oct 25, 11:36 AM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Oct 25, 3:06 PM EDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Charleston AFB, SC (KCHS), launched 12:00Z, 11.6 hours before the alert went out and 23 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.
- Mixed-layer CAPE
- 1764 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 593 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 134 m²/s²
- 0-3 km storm-relative helicity
- 126 m²/s²
- Significant tornado parameter
- 1.0
- Supercell composite
- 6.9
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 Oct 25, 6:15 PM EDT, 1 hour 19 minutes earlier.
Area forecast discussion, Oct 25, 6:15 PM EDT, 1 hour 19 minutes before
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HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE CHARLESTON SC 346 PM EDT MON OCT 25 2010 GAZ087-088-099>101-SCZ040-042>044-047>049-051-261045- JENKINS-SCREVEN-CANDLER-BULLOCH-EFFINGHAM-ALLENDALE-HAMPTON- INLAND COLLETON-DORCHESTER-INLAND JASPER-BEAUFORT-COASTAL COLLETON- COASTAL JASPER- 346 PM EDT MON OCT 25 2010 ...TORNADO WATCH 718 IN EFFECT UNTIL 8 PM EDT THIS EVENING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST GEORGIA AND SOUTHEAST SOUTH CAROLINA. .DAY ONE...THIS AFTERNOON AND TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. TORNADO WATCH. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER GROUPS AND EMERGENCY MANAGEMENT OFFICIALS SHOULD ACTIVATE AT THIS TIME. AMZ330-350-352-354-GAZ114>119-137>141-SCZ045-050-052-261045- CHARLESTON HARBOR- WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM- WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM- WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM...INCLUDING GRAYS REEF NATIONAL MARINE SANCTUARY-TATTNALL-EVANS-INLAND BRYAN- COASTAL BRYAN-INLAND CHATHAM-COASTAL CHATHAM-LONG-INLAND LIBERTY- COASTAL LIBERTY-INLAND MCINTOSH-COASTAL MCINTOSH-INLAND BERKELEY- CHARLESTON-TIDAL BERKELEY- 346 PM EDT MON OCT 25 2010 ...SEVERE THUNDERSTORM WATCH 715 IN EFFECT UNTIL 7 PM EDT THIS EVENING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR ATLANTIC COASTAL WATERS...SOUTHEAST GEORGIA AND SOUTHEAST SOUTH CAROLINA. .DAY ONE...THIS AFTERNOON AND TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. SEVERE THUNDERSTORM WATCH. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER GROUPS AND EMERGENCY MANAGEMENT OFFICIALS SHOULD ACTIVATE AT THIS TIME. AMZ374-261045- WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA EXTENDING FROM 20 TO 60 NM- 346 PM EDT MON OCT 25 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR ATLANTIC COASTAL WATERS. .DAY ONE...THIS AFTERNOON AND TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
In the hours before
Special weather statement, Oct 25, 7:03 PM EDT, 31 minutes before
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</html>Local storm report, Oct 25, 7:04 PM EDT, 30 minutes before
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</html>Local storm report, Oct 25, 7:22 PM EDT, 12 minutes before
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</html>Special weather statement, Oct 25, 7:22 PM EDT, 12 minutes before
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</html>The office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 25, 9:31 AM EDT | Small Craft Advisory | CHS | 54 hr | |
| Oct 25, 12:37 PM EDT | Special Weather Statement | CHS | Jenkins | 53 min |
| Oct 25, 1:45 PM EDT | Severe Thunderstorm Warning | CHS | Screven | 60 min |
| Oct 25, 2:02 PM EDT | Tornado Warning | CHS | Screven | 43 min |
| Oct 25, 2:46 PM EDT | Severe Thunderstorm Warning | CHS | Jenkins, Screven | 32 min |
| Oct 25, 4:22 PM EDT | Severe Thunderstorm Warning | CHS | Bulloch, Candler, Jenkins, Screven | 53 min |
| Oct 25, 4:36 PM EDT | Tornado Warning | CHS | Bulloch, Candler | 39 min |
| Oct 25, 5:10 PM EDT | Severe Thunderstorm Warning | CHS | Bulloch, Candler | 65 min |
| Oct 25, 5:40 PM EDT | Special Weather Statement | CHS | Liberty | 35 min |
| Oct 25, 5:57 PM EDT | Severe Thunderstorm Warning | CHS | Effingham, Screven | 63 min |
| Oct 25, 6:13 PM EDT | Special Weather Statement | CHS | Chatham, Liberty, McIntosh | 32 min |
| Oct 25, 6:24 PM EDT | Severe Thunderstorm Warning | CHS | Bryan, Liberty | 48 min |
| Oct 25, 6:32 PM EDT | Special Weather Statement | CHS | Chatham | 28 min |
| Oct 25, 6:46 PM EDT | Special Marine Warning | CHS | 119 min | |
| Oct 25, 7:20 PM EDT | Special Marine Warning | CHS | 115 min | |
| Oct 25, 7:35 PM EDT | Severe Thunderstorm Warning | CHS | Effingham | 55 min |
| Oct 25, 1:28 PM EDT | Special Weather Statement | CHS | Allendale | 62 min |
| Oct 25, 2:44 PM EDT | Severe Thunderstorm Warning | CHS | Colleton, Hampton | 46 min |
| Oct 25, 3:13 PM EDT | Special Weather Statement | CHS | Colleton | 32 min |
| Oct 25, 3:18 PM EDT | Special Weather Statement | CHS | Dorchester | 27 min |
| Oct 25, 3:50 PM EDT | Special Weather Statement | CHS | Berkeley, Colleton, Dorchester | 40 min |
| Oct 25, 4:07 PM EDT | Severe Thunderstorm Warning | CHS | Berkeley, Charleston, Colleton, Dorchester | 53 min |
| Oct 25, 5:11 PM EDT | Special Weather Statement | CHS | Colleton | 34 min |
| Oct 25, 5:29 PM EDT | Severe Thunderstorm Warning | CHS | Charleston, Colleton, Dorchester | 61 min |
| Oct 25, 5:43 PM EDT | Special Weather Statement | CHS | Allendale | 32 min |
| Oct 25, 6:00 PM EDT | Special Weather Statement | CHS | Colleton | 30 min |
| Oct 25, 6:28 PM EDT | Special Weather Statement | CHS | Colleton, Dorchester, Hampton | 32 min |
| Oct 25, 7:03 PM EDT | Special Weather Statement | CHS | Charleston, Colleton, Dorchester | 57 min |
| Oct 25, 7:06 PM EDT | Special Weather Statement | CHS | Berkeley | 24 min |
| Oct 25, 7:22 PM EDT | Special Weather Statement | CHS | Beaufort, Jasper | 38 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.