Alert archive / South Carolina / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 56, NWS Columbia, SC
NWS Columbia, SC issued this severe thunderstorm warning at Jul 9, 2021, 4:48 PM EDT for Kershaw County, Lancaster County, South Carolina. It was in force for 27 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 9, 2021, 4:48 PM EDT (20:48 UTC)
- Expired
- Jul 9, 2021, 5:15 PM EDT
- In force
- 27 min
- Issued by
- NWS Columbia, SC
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Kershaw County, SC, Lancaster County, SC
The radar
The Columbia radar (KCAE), 76 km from the middle of the area, began a volume at 20:48 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
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 8.8 hours before the alert went out and 186 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
- 127 J/kg
- Mixed-layer CIN
- -97 J/kg
- Mixed-layer LCL
- 1287 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- -22 m²/s²
- 0-3 km storm-relative helicity
- 0 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
674 WUUS52 KCAE 092048 SVRCAE SCC055-057-092115- /O.NEW.KCAE.SV.W.0056.210709T2048Z-210709T2115Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Columbia SC 448 PM EDT Fri Jul 9 2021 The National Weather Service in Columbia has issued a * Severe Thunderstorm Warning for... Southwestern Lancaster County in central South Carolina... Northwestern Kershaw County in central South Carolina... * Until 515 PM EDT. * At 447 PM EDT, a severe thunderstorm was located near Heath Springs, or 11 miles south of Lancaster, moving southeast at 5 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Heath Springs, Faith Christian School and Pleasant Hill. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection seek shelter inside a sturdy building and stay away from windows. && LAT...LON 3451 8083 3464 8082 3463 8063 3451 8062 TIME...MOT...LOC 2047Z 309DEG 5KT 3457 8075 HAIL...<.75IN WIND...60MPH $$ awp
The office that day
Everything else NWS Columbia, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 9, 2:16 PM EDT | Special Weather Statement | CAE | McCormick | 29 min |
| Jul 9, 2:42 PM EDT | Special Weather Statement | CAE | Saluda | 33 min |
| Jul 9, 3:15 PM EDT | Special Weather Statement | CAE | Lexington | 30 min |
| Jul 9, 3:21 PM EDT | Special Weather Statement | CAE | Kershaw | 24 min |
| Jul 9, 3:39 PM EDT | Special Weather Statement | CAE | Lexington | 36 min |
| Jul 9, 3:46 PM EDT | Special Weather Statement | CAE | Kershaw, Lee | 44 min |
| Jul 9, 4:14 PM EDT | Special Weather Statement | CAE | Chesterfield | 46 min |
| Jul 9, 4:23 PM EDT | Special Weather Statement | CAE | Clarendon, Sumter | 37 min |
| Jul 9, 4:32 PM EDT | Special Weather Statement | CAE | Calhoun, Orangeburg | 43 min |
| Jul 9, 5:03 PM EDT | Special Weather Statement | CAE | Clarendon | 27 min |
| Jul 9, 5:14 PM EDT | Special Weather Statement | CAE | Orangeburg | 31 min |
Nearby
Severe Thunderstorm Warnings in South Carolina, 2021Every severe thunderstorm warning in 2021
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.