Alert archive / South Carolina / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 34, NWS Columbia, SC
NWS Columbia, SC issued this severe thunderstorm warning at May 4, 2021, 4:00 PM EDT for Fairfield County, Newberry County, Saluda County, South Carolina. It was in force for 45 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
- May 4, 2021, 4:00 PM EDT (20:00 UTC)
- Expired
- May 4, 2021, 4:45 PM EDT
- In force
- 45 min
- Issued by
- NWS Columbia, SC
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Fairfield County, SC, Newberry County, SC, Saluda County, SC
The radar
The Columbia radar (KCAE), 62 km from the middle of the area, began a volume at 20:00 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 12:00Z, 8.0 hours before the alert went out and 218 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
- 573 J/kg
- Mixed-layer CIN
- -149 J/kg
- Mixed-layer LCL
- 1000 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 68 m²/s²
- 0-3 km storm-relative helicity
- 48 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.0
The text
As transmitted.
884
WUUS52 KCAE 042000
SVRCAE
SCC039-071-081-042045-
/O.NEW.KCAE.SV.W.0034.210504T2000Z-210504T2045Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Columbia SC
400 PM EDT Tue May 4 2021
The National Weather Service in Columbia has issued a
* Severe Thunderstorm Warning for...
Northwestern Fairfield County in central South Carolina...
Newberry County in central South Carolina...
Northwestern Saluda County in central South Carolina...
* Until 445 PM EDT.
* At 359 PM EDT, severe thunderstorms were located along a line
extending from 6 miles north of Blair to near Lake Greenwood State
Park, moving northeast at 30 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Newberry, VC Summer Nuclear Station, Saluda, Whitmire, Prosperity,
Newberry College, Monticello, Newberry County Airport, Blair,
Pomaria, Silverstreet, Lebanon Fire Station, US-176 and SC-
34 Crossroads, Good Hope, Henderson Island, Belfast Wildlife
Management Area, Mitford, Hollywood Elementary School, Chappells
Fire Station and White Oak.
This includes the following highways...
Interstate 26 between mile markers 62 and 84.
Interstate 77 between mile markers 47 and 50.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection seek shelter inside a sturdy building and stay
away from windows.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways or
walk through high water.
&&
LAT...LON 3454 8090 3398 8182 3397 8201 3413 8187
3420 8194 3430 8190 3437 8178 3453 8164
3445 8154 3449 8149 3450 8142 3457 8142
TIME...MOT...LOC 1959Z 244DEG 25KT 3451 8136 3422 8193
HAIL...1.00IN
WIND...60MPH
$$
JAQ1 follow-up statement
562
WWUS52 KCAE 042027
SVSCAE
Severe Weather Statement
National Weather Service Columbia SC
427 PM EDT Tue May 4 2021
SCC039-071-081-042045-
/O.CON.KCAE.SV.W.0034.000000T0000Z-210504T2045Z/
Fairfield SC-Newberry SC-Saluda SC-
427 PM EDT Tue May 4 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM EDT
FOR NORTHWESTERN FAIRFIELD...NEWBERRY AND NORTHWESTERN SALUDA
COUNTIES...
At 427 PM EDT, severe thunderstorms were located along a line
extending from 7 miles southeast of Blackstock to 8 miles southwest
of Newberry College, moving east at 35 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Newberry, VC Summer Nuclear Station, Saluda, Prosperity, Newberry
College, Blackstock, Monticello, Newberry County Airport, Blair,
Pomaria, Silverstreet, Lebanon Fire Station, US-176 and SC-
34 Crossroads, Good Hope, Henderson Island, Belfast Wildlife
Management Area, Mitford, Hollywood Elementary School, Chappells Fire
Station and White Oak.
This includes the following highways...
Interstate 26 between mile markers 65 and 84.
Interstate 77 between mile markers 47 and 50.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection seek shelter inside a sturdy building and stay
away from windows.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways or
walk through high water.
&&
LAT...LON 3454 8090 3398 8182 3397 8201 3413 8187
3420 8194 3430 8190 3436 8180 3456 8117
TIME...MOT...LOC 2027Z 265DEG 29KT 3451 8103 3423 8176
HAIL...0.75IN
WIND...60MPH
$$
JAQThe office that day
Everything else NWS Columbia, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 4, 3:29 PM EDT | Special Weather Statement | CAE | Saluda | 31 min |
| May 4, 3:42 PM EDT | Special Weather Statement | CAE | Lexington | 33 min |
| May 4, 3:45 PM EDT | Severe Thunderstorm Warning | CAE | Lexington, Newberry, Richland, Saluda | 45 min |
| May 4, 3:50 PM EDT | Special Weather Statement | CAE | Newberry | 25 min |
| May 4, 3:52 PM EDT | Severe Thunderstorm Warning | CAE | Calhoun, Lexington, Richland | 41 min |
| May 4, 3:54 PM EDT | Special Weather Statement | CAE | McCormick | 36 min |
| May 4, 3:54 PM EDT | Severe Thunderstorm Warning | CAE | Lancaster | 36 min |
| May 4, 4:16 PM EDT | Severe Thunderstorm Warning | CAE | Fairfield, Kershaw, Lancaster, Newberry, Richland | 59 min |
| May 4, 4:22 PM EDT | Severe Thunderstorm Warning | CAE | Chesterfield, Fairfield, Kershaw, Lancaster, Lee | 53 min |
| May 4, 4:38 PM EDT | Severe Thunderstorm Warning | CAE | Edgefield, McCormick, Saluda | 53 min |
| May 4, 4:46 PM EDT | Severe Thunderstorm Warning | CAE | Fairfield, Lexington, Newberry, Richland | 44 min |
| May 4, 5:03 PM EDT | Severe Thunderstorm Warning | CAE | Chesterfield, Kershaw, Lancaster, Lee | 57 min |
| May 4, 5:30 PM EDT | Severe Thunderstorm Warning | CAE | Aiken, Barnwell, Lexington, Orangeburg | 60 min |
| May 4, 6:03 PM EDT | Severe Thunderstorm Warning | CAE | Bamberg, Barnwell, Calhoun, Orangeburg, Richland | 57 min |
| May 4, 6:07 PM EDT | Severe Thunderstorm Warning | CAE | Clarendon, Lee, Richland, Sumter | 53 min |
| May 4, 6:57 PM EDT | Severe Thunderstorm Warning | CAE | Clarendon | 48 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.