Alert archive / South Carolina / Severe Thunderstorm Warnings in 2018
Severe Thunderstorm Warning 71, NWS Columbia, SC
NWS Columbia, SC issued this severe thunderstorm warning at Jun 24, 2018, 7:17 PM EDT for Fairfield County, South Carolina. It was in force for 28 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
- Jun 24, 2018, 7:17 PM EDT (23:17 UTC)
- Expired
- Jun 24, 2018, 7:45 PM EDT
- In force
- 28 min
- Issued by
- NWS Columbia, SC
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Fairfield County, SC
The radar
The Columbia radar (KCAE), 50 km from the middle of the area, began a volume at 23:18 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, 11.3 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
- 11 J/kg
- Mixed-layer CIN
- -135 J/kg
- Mixed-layer LCL
- 1456 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 49 m²/s²
- 0-3 km storm-relative helicity
- 66 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Jun 24, 6:14 PM EDT, 1 hour 3 minutes earlier.
Area forecast discussion, Jun 24, 6:14 PM EDT, 1 hour 3 minutes before
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Hazardous Weather Outlook National Weather Service Columbia SC 322 AM EDT Sun Jun 24 2018 GAZ063>065-077-SCZ016-022-025-027>031-035>038-041-250730- McDuffie-Columbia-Richmond-Burke-Chesterfield-Kershaw-Edgefield- Lexington-Richland-Lee-Aiken-Sumter-Barnwell-Orangeburg-Calhoun- Clarendon-Bamberg- 322 AM EDT Sun Jun 24 2018 ...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT THIS EVENING... This Hazardous Weather Outlook is for the Midlands of South Carolina and the Central Savannah River area of Georgia. .DAY ONE...Today and Tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazard. Heat Advisory. Widely scattered thunderstorms will occur today and tonight. A few of the thunderstorms could possibly contain damaging wind this afternoon into tonight. .DAYS TWO THROUGH SEVEN...Monday through Saturday. It will be hot Monday with peak heat index values near 105. Thunderstorms could possibly contain damaging wind and hail Monday afternoon and night. There will also be a possibility of heavy rainfall rates leading to localized flooding. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. GAZ040-SCZ015-018-020-021-026-250730- Lincoln-Lancaster-McCormick-Newberry-Fairfield-Saluda- 322 AM EDT Sun Jun 24 2018 This Hazardous Weather Outlook is for the Midlands of South Carolina and the Central Savannah River area of Georgia. .DAY ONE...Today and Tonight. Widely scattered thunderstorms will occur today and tonight. A few of the thunderstorms could possibly contain damaging wind this afternoon into tonight. It will be hot today with heat index values peaking near 105. .DAYS TWO THROUGH SEVEN...Monday through Saturday. It will be hot Monday with peak heat index values near 105. Thunderstorms could possibly contain damaging wind and hail Monday afternoon and night. There will also be a possibility of heavy rainfall rates leading to localized flooding. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time.
In the hours before
Special weather statement, Jun 24, 6:38 PM EDT, 39 minutes before
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Special Weather Statement
National Weather Service Columbia SC
653 PM EDT SUN JUN 24 2018
SCZ020-021-026-242330-
Fairfield SC-Newberry SC-Saluda SC-
653 PM EDT SUN JUN 24 2018
...Strong Thunderstorms Will Impact Portions of west central
Fairfield...Newberry and northwestern Saluda Counties Until 730 PM
EDT....
...Boaters on Lake Greenwood Should Seek Safe Harbor...
At 652 PM EDT...National Weather Service doppler radar indicated
strong thunderstorms along a line extending from 6 miles east of
Whitmire to near Lake Greenwood, moving southeast at 35 mph.
HAZARD...strong winds 45 to 55 mph.
IMPACT...expect minor damage to tree limbs and blowing around of
light, unsecured objects.
Some locations in the path of these storms include...
Newberry, Prosperity, Pomaria, Silverstreet and Chappells.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Boaters on Lake Greenwood should move to shore and seek shelter.
Strong, erratic wind gusts and lightning are possible. If you can
hear thunder, you are close enough to be struck by lightning.
Persons in campgrounds should seek shelter until these storms pass.
&&
This includes Interstate 26 between mile markers 65 and 83.
LAT...LON 3438 8116 3404 8182 3409 8190 3413 8187
3415 8190 3418 8190 3421 8194 3425 8191
3428 8190 3447 8155 3445 8154 3449 8149
3449 8146 3450 8142
TIME...MOT...LOC 2252Z 297DEG 28KT 3448 8151 3424 8197Special weather statement, Jun 24, 7:10 PM EDT, 7 minutes before
Special Weather Statement
National Weather Service Columbia SC
710 PM EDT SUN JUN 24 2018
SCZ021-242345-
Fairfield SC-
710 PM EDT SUN JUN 24 2018
...Strong Thunderstorms Will Impact Portions of northwestern
Fairfield County Until 745 PM EDT....
At 709 PM EDT...National Weather Service doppler radar indicated a
strong thunderstorm 7 miles southwest of Blackstock, or 12 miles
northwest of Winnsboro, moving east at 25 mph.
HAZARD...strong winds 45 to 55 mph.
IMPACT...expect minor damage to tree limbs and blowing around of
light, unsecured objects.
Some locations in the path of this storm include...
Blackstock.
LAT...LON 3442 8140 3457 8139 3455 8106 3437 8114
TIME...MOT...LOC 2309Z 272DEG 19KT 3449 8126The office that day
Everything else NWS Columbia, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 24, 3:03 AM EDT | Heat Advisory | CAE | Aiken, Bamberg, Barnwell, Calhoun, Chesterfield, Clarendon and 6 more | 17 hr |
| Jun 24, 6:53 PM EDT | Special Weather Statement | CAE | Newberry | 37 min |
| Jun 24, 7:10 PM EDT | Special Weather Statement | CAE | Fairfield | 35 min |
| Jun 24, 7:21 PM EDT | Special Weather Statement | CAE | Newberry | 39 min |
| Jun 24, 6:38 PM EDT | Special Weather Statement | CAE | Lincoln | 22 min |
Nearby
Severe Thunderstorm Warnings in South Carolina, 2018Every severe thunderstorm warning in 2018
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.