Alert archive / South Carolina / Special Weather Statements in 2021
Special Weather Statement, NWS Columbia, SC
NWS Columbia, SC issued this special weather statement at Aug 19, 2021, 8:31 PM EDT for Kershaw County, South Carolina. It was in force for 44 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
- Aug 19, 2021, 8:31 PM EDT (00:31 UTC)
- Expired
- Aug 19, 2021, 9:15 PM EDT
- In force
- 44 min
- Issued by
- NWS Columbia, SC
- Hail
- 0.00 in
- Wind
- 40
County Kershaw County, SC
The radar
The Columbia radar (KCAE), 89 km from the middle of the area, began a volume at 00:32 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 00:00Z, 0.5 hours before the alert went out and 197 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
- 543 J/kg
- Mixed-layer CIN
- -19 J/kg
- Mixed-layer LCL
- 1590 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 31 m²/s²
- 0-3 km storm-relative helicity
- 36 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
066
WWUS82 KCAE 200031
SPSCAE
Special Weather Statement
National Weather Service Columbia SC
831 PM EDT Thu Aug 19 2021
SCZ016-021-022-028-029-031-200115-
Fairfield SC-Chesterfield SC-Richland SC-Kershaw SC-Sumter SC-Lee SC-
831 PM EDT Thu Aug 19 2021
...A strong thunderstorm will impact portions of east central
Fairfield, northern Lee, south central Chesterfield, northwestern
Sumter, north central Richland and Kershaw Counties through 915 PM
EDT...
At 831 PM EDT, Doppler radar was tracking a strong thunderstorm over
Lugoff, or near Camden, moving east at 55 mph.
HAZARD...Winds in excess of 40 mph.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects.
Locations impacted include...
Camden, Bishopville, Lake Wateree Dam, Lugoff, Lee State Park,
Longtown, Cassatt, Elgin, Goodale State Park, Mcbee, Bethune,
Lucknow, North Central High School, Dekalb, North Towne Square
Shopping Center, Antioch, Midway Elementary School, Pine Grove Fire
Station, Woodward Airfield and Ashland.
This includes Interstate 20 in South Carolina between mile markers 86
and 126.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.
&&
LAT...LON 3437 8029 3432 8024 3434 8021 3437 8019
3437 8018 3432 8017 3428 8013 3423 8011
3419 8011 3412 8086 3437 8092 3452 8005
3449 8005
TIME...MOT...LOC 0031Z 260DEG 49KT 3426 8067
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH
$$
fwaThe office that day
Everything else NWS Columbia, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 19, 8:14 PM EDT | Special Weather Statement | CAE | Aiken | 46 min |
Nearby
Special Weather Statements in South Carolina, 2021Every special weather statement 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.