Alert archive / South Carolina / Special Weather Statements in 2018
Special Weather Statement, NWS Columbia, SC
NWS Columbia, SC issued this special weather statement at Aug 8, 2018, 7:09 PM EDT for Kershaw County, South Carolina. It was in force for 36 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 8, 2018, 7:09 PM EDT (23:09 UTC)
- Expired
- Aug 8, 2018, 7:45 PM EDT
- In force
- 36 min
- Issued by
- NWS Columbia, SC
County Kershaw County, SC
The radar
The Columbia radar (KCAE), 66 km from the middle of the area, began a volume at 23:08 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, 11.2 hours before the alert went out and 195 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
- 739 J/kg
- Mixed-layer CIN
- -85 J/kg
- Mixed-layer LCL
- 1174 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- -43 m²/s²
- 0-3 km storm-relative helicity
- -28 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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</html>What forecasters said that day
The local office's own words before this special weather statement 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 special weather statement went out at Aug 8, 6:52 PM EDT, 17 minutes earlier.
Area forecast discussion, Aug 8, 6:52 PM EDT, 17 minutes before
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</html>Hazardous weather outlook, Aug 8, 3:44 AM EDT, 15 hours 25 minutes before
Hazardous Weather Outlook National Weather Service Columbia SC 344 AM EDT Wed Aug 8 2018 GAZ040-063>065-077-SCZ015-016-018-020>022-025>031-035>038-041-090745- Lincoln-McDuffie-Columbia-Richmond-Burke-Lancaster-Chesterfield- McCormick-Newberry-Fairfield-Kershaw-Edgefield-Saluda-Lexington- Richland-Lee-Aiken-Sumter-Barnwell-Orangeburg-Calhoun-Clarendon- Bamberg- 344 AM EDT Wed Aug 8 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. Showers and thunderstorms are expected to develop once again this afternoon. Stronger storms will be capable of heavy rainfall, along with periods of strong gusty winds. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time.
In the hours before
Special weather statement, Aug 8, 5:19 PM EDT, 1 hour 50 minutes before
Special Weather Statement
National Weather Service Columbia SC
519 PM EDT WED AUG 8 2018
SCZ016-082145-
Chesterfield SC-
519 PM EDT WED AUG 8 2018
...Strong Thunderstorms Will Impact Portions of southeastern
Chesterfield County Until 545 PM EDT....
At 519 PM EDT...National Weather Service doppler radar indicated a
strong thunderstorm near Cheraw, moving northeast at 25 mph.
HAZARD...gusty winds 40 to 50 mph and excessive cloud to ground
lightning.
IMPACT...expect minor damage to tree limbs and blowing around of
light, unsecured objects. All outdoor activities should
cease. Move indoors immediately.
Some locations in the path of this storm include...
Cheraw and Patrick.
Move indoors immediately. Excessive cloud to ground lightning is
occurring with this storm. If you can hear thunder, you are close
enough to be struck by lightning.
LAT...LON 3460 7981 3453 7983 3453 7984 3449 7990
3450 7992 3449 7997 3450 7998 3449 8003
3449 8005 3446 8011 3464 8002 3473 7989
3468 7986 3465 7980 3462 7978
TIME...MOT...LOC 2119Z 240DEG 21KT 3461 7991
LCVLocal storm report, Aug 8, 6:04 PM EDT, 1 hour 5 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
604 PM EDT WED AUG 8 2018
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0539 PM HAIL 2 NW CHERAW 34.73N 79.92W
08/08/2018 E0.25 INCH CHESTERFIELD SC TRAINED SPOTTER
SPOTTER REPORTED PEA SIZE HAIL ALONG HIGHWAY
52 NEAR CHERAW.
&&
LCVSpecial weather statement, Aug 8, 7:09 PM EDT, 0 minutes before
Special Weather Statement
National Weather Service Columbia SC
709 PM EDT WED AUG 8 2018
SCZ015-021-022-082345-
Fairfield SC-Lancaster SC-Kershaw SC-
709 PM EDT WED AUG 8 2018
...Strong Thunderstorms Will Impact Portions of northeastern
Fairfield...southwestern Lancaster and northwestern Kershaw Counties
Until 745 PM EDT....
At 708 PM EDT...National Weather Service doppler radar indicated a
strong thunderstorm 9 miles south of Great Falls, or 13 miles east of
Winnsboro, moving east at 20 mph.
HAZARD...strong winds 45 to 55 mph.
IMPACT...expect minor damage to tree limbs and blowing around of
light, unsecured objects.
This storm will remain over mainly rural areas near the Kershaw and
Lancaster county line.
LAT...LON 3435 8060 3439 8094 3455 8093 3454 8088
3456 8087 3458 8061
TIME...MOT...LOC 2308Z 279DEG 16KT 3445 8086The office that day
Everything else NWS Columbia, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 8, 5:19 PM EDT | Special Weather Statement | CAE | Chesterfield | 26 min |
| Aug 8, 7:28 PM EDT | Special Weather Statement | CAE | Chesterfield, Kershaw | 32 min |
| Aug 8, 7:56 PM EDT | Special Weather Statement | CAE | Newberry | 34 min |
Nearby
Special Weather Statements in South Carolina, 2018Every special weather statement 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.