Alert archive / South Carolina / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 57, NWS Columbia, SC
NWS Columbia, SC issued this severe thunderstorm warning at Apr 6, 2017, 12:56 AM EDT for Bamberg County, Orangeburg County, South Carolina. It was in force for 34 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
- Apr 6, 2017, 12:56 AM EDT (04:56 UTC)
- Expired
- Apr 6, 2017, 1:30 AM EDT
- In force
- 34 min
- Issued by
- NWS Columbia, SC
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Bamberg County, SC, Orangeburg County, SC
The radar
The Columbia radar (KCAE), 71 km from the middle of the area, began a volume at 04:55 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 nearest sounding before it
Charleston AFB, SC (KCHS), launched 00:00Z, 4.9 hours before the alert went out and 99 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
- 295 J/kg
- Mixed-layer CIN
- -52 J/kg
- Mixed-layer LCL
- 707 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- -3 m²/s²
- 0-3 km storm-relative helicity
- 119 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.7
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 Columbia, SC wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 5, 7:22 PM EDT, 5 hours 34 minutes earlier.
Area forecast discussion, Apr 5, 7:22 PM EDT, 5 hours 34 minutes before
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Hazardous Weather Outlook National Weather Service Columbia SC 243 PM EDT Wed Apr 5 2017 GAZ040-063>065-SCZ018-025>028-030-031-061845- Lincoln-McDuffie-Columbia-Richmond-McCormick-Edgefield-Saluda- Lexington-Richland-Aiken-Sumter- 243 PM EDT Wed Apr 5 2017 ...FLASH FLOOD WATCH IN EFFECT UNTIL 8 PM EDT THIS EVENING... ...TORNADO WATCH 125 IN EFFECT UNTIL 8 PM EDT THIS EVENING... ...WIND ADVISORY IN EFFECT FROM 6 AM THURSDAY TO MIDNIGHT EDT THURSDAY NIGHT... This Hazardous Weather Outlook is for the Midlands of South Carolina and the Central Savannah River area of Georgia. .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. Flash Flood Watch. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Wind Advisory. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. GAZ077-SCZ020>022-029-035>038-041-061845- Burke-Newberry-Fairfield-Kershaw-Lee-Barnwell-Orangeburg-Calhoun- Clarendon-Bamberg- 243 PM EDT Wed Apr 5 2017 ...TORNADO WATCH 125 IN EFFECT UNTIL 8 PM EDT THIS EVENING... ...WIND ADVISORY IN EFFECT FROM 6 AM THURSDAY TO MIDNIGHT EDT THURSDAY NIGHT... This Hazardous Weather Outlook is for the Midlands of South Carolina and the Central Savannah River area of Georgia. .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...Thursday through Tuesday. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Wind Advisory. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. SCZ015-016-061845- Lancaster-Chesterfield- 243 PM EDT Wed Apr 5 2017 ...WIND ADVISORY IN EFFECT FROM 6 AM THURSDAY TO MIDNIGHT EDT THURSDAY NIGHT... This Hazardous Weather Outlook is for the Midlands of South Carolina and the Central Savannah River area of Georgia. .DAY ONE...This Afternoon and Tonight. No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Wind Advisory. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time.
In the hours before
Local storm report, Apr 5, 7:06 PM EDT, 5 hours 50 minutes before
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</html>Local storm report, Apr 5, 7:33 PM EDT, 5 hours 23 minutes before
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</html>Local storm report, Apr 5, 7:35 PM EDT, 5 hours 21 minutes before
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</html>Local storm report, Apr 5, 7:50 PM EDT, 5 hours 6 minutes before
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</html>Local storm report, Apr 5, 7:52 PM EDT, 5 hours 4 minutes before
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</html>The office that day
Everything else NWS Columbia, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 6, 12:26 AM EDT | Special Weather Statement | CAE | McCormick | 64 min |
| Apr 6, 12:30 AM EDT | River Flood Warning | CAE | Calhoun, Lexington, Richland | 3 days |
| Apr 6, 12:45 AM EDT | Special Weather Statement | CAE | Orangeburg | 45 min |
| Apr 6, 2:38 AM EDT | Special Weather Statement | CAE | Edgefield | 22 min |
| Apr 6, 3:48 AM EDT | Special Weather Statement | CAE | Lexington, Richland | 27 min |
| Apr 6, 4:16 AM EDT | Special Weather Statement | CAE | Lancaster | 29 min |
| Apr 6, 4:25 AM EDT | Special Weather Statement | CAE | Kershaw | 20 min |
| Apr 6, 4:33 AM EDT | Special Weather Statement | CAE | Barnwell | 27 min |
| Apr 6, 4:54 AM EDT | Special Weather Statement | CAE | Calhoun | 21 min |
Nearby
Severe Thunderstorm Warnings in South Carolina, 2017Every severe thunderstorm warning in 2017
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.