Alert archive / South Carolina / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 241, NWS Columbia, SC

August 7, 2008Orangeburg County, South Carolina

NWS Columbia, SC issued this severe thunderstorm warning at Aug 7, 2008, 5:49 PM EDT for Orangeburg County, South Carolina. It was in force for 30 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
Aug 7, 2008, 5:49 PM EDT (21:49 UTC)
Expired
Aug 7, 2008, 6:19 PM EDT
In force
30 min
Issued by
NWS Columbia, SC
Area
Storm-based polygon

County Orangeburg County, SC

The radar

The Columbia radar (KCAE), 64 km from the middle of the area, began a volume at 21:52 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Aug 7, 2:10 PM EDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 9.8 hours before the alert went out and 96 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.

Skew-T log-pSkew-T log-p diagram, Charleston AFB, SC at 12:00Z on 2008-08-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1395 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Charleston AFB, SC at 12:00Z on 2008-08-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -5 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1395 J/kg
Mixed-layer CIN
-202 J/kg
Mixed-layer LCL
1404 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
-5 m²/s²
0-3 km storm-relative helicity
-13 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

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 Aug 7, 2:43 PM EDT, 3 hours 6 minutes earlier.

Area forecast discussion, Aug 7, 2:43 PM EDT, 3 hours 6 minutes before
<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>
Hazardous weather outlook, Aug 7, 3:24 PM EDT, 2 hours 25 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE COLUMBIA SC
324 PM EDT THU AUG 7 2008

GAZ040-063>065-SCZ015-016-018-020>022-025>030-081930-
LINCOLN-MCDUFFIE-COLUMBIA-RICHMOND-LANCASTER-CHESTERFIELD-MCCORMICK-
NEWBERRY-FAIRFIELD-KERSHAW-EDGEFIELD-SALUDA-LEXINGTON-RICHLAND-LEE-
AIKEN-
324 PM EDT THU AUG 7 2008

...SEVERE THUNDERSTORM WATCH 814 IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL GEORGIA AND
CENTRAL SOUTH CAROLINA.

.DAY ONE...THIS AFTERNOON AND TONIGHT

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   SEVERE THUNDERSTORM WATCH.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION HAS OCCURRED.

GAZ077-SCZ031-035>038-041-081930-
BURKE-SUMTER-BARNWELL-ORANGEBURG-CALHOUN-CLARENDON-BAMBERG-
324 PM EDT THU AUG 7 2008

...HEAT ADVISORY IN EFFECT UNTIL 7 PM EDT THIS EVENING...
...SEVERE THUNDERSTORM WATCH 814 IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL GEORGIA AND
CENTRAL SOUTH CAROLINA.

.DAY ONE...THIS AFTERNOON AND TONIGHT

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   HEAT ADVISORY.
   SEVERE THUNDERSTORM WATCH.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION HAS OCCURRED.

In the hours before

Local storm report, Aug 7, 3:15 PM EDT, 2 hours 34 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
315 PM EDT THU AUG 07 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0305 PM     TSTM WND DMG     KERSHAW                 34.55N 80.59W
08/07/2008                   LANCASTER          SC   LAW ENFORCEMENT

            TWO TREES DOWN IN THE TOWN OF KERSHAW. REPORTED BY
            LANCASTER SHERIFFS OFFICE.

&&

DCM
Local storm report, Aug 7, 3:42 PM EDT, 2 hours 7 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
342 PM EDT THU AUG 07 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0326 PM     TSTM WND DMG     3 SE BLACKSTOCK         34.53N 81.12W
08/07/2008                   FAIRFIELD          SC   UTILITY COMPANY

            TREES AND POWER LINES DOWN ABOUT 3 MILES SE OF
            BLACKSTOCK. TIME ESTIMATED BASED ON RADAR. REPORTED BY
            FAIRFIELD ELECTRIC.

&&

DCM
Local storm report, Aug 7, 5:05 PM EDT, 44 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
505 PM EDT THU AUG 07 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0325 PM     NON-TSTM WND DMG 12 SSW IRWIN            34.54N 80.92W
08/07/2008                   FAIRFIELD          SC   LAW ENFORCEMENT

            FAIRFIELD COUNTY SHERIFF OFFICE REPORTED TREES DOWN ON SC
            HWY 200 IN TOWN OF MITFORD AT 325 PM. HAIL ALSO REPORTED
            BUT SIZE UNKNOWN.

&&

TTH
Local storm report, Aug 7, 5:05 PM EDT, 44 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
505 PM EDT THU AUG 07 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0325 PM     TSTM WND DMG     12 SSW IRWIN            34.54N 80.92W
08/07/2008                   FAIRFIELD          SC   LAW ENFORCEMENT

            FAIRFIELD COUNTY SHERIFF OFFICE REPORTED TREES DOWN ON SC
            HWY 200 IN TOWN OF MITFORD AT 325 PM. HAIL ALSO REPORTED
            BUT SIZE UNKNOWN.

&&

TTH
Local storm report, Aug 7, 5:07 PM EDT, 42 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
507 PM EDT THU AUG 07 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0450 PM     HAIL             CAMDEN                  34.26N 80.61W
08/07/2008  E0.75 INCH       KERSHAW            SC   LAW ENFORCEMENT

            SHERIFFS OFFICE REPORTED PENNY SIZE HAIL IN THE TOWN OF
            CAMDEN.

0450 PM     HAIL             LUGOFF                  34.23N 80.68W
08/07/2008  E0.75 INCH       KERSHAW            SC   LAW ENFORCEMENT

            SHERIFF REPORTS PENNY SIZE HAIL IN LUGOFF.

&&

FPW
Local storm report, Aug 7, 5:18 PM EDT, 31 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
518 PM EDT THU AUG 07 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0450 PM     HAIL             11 SE CAMDEN            34.16N 80.46W
08/07/2008  E1.25 INCH       LEE                SC   LAW ENFORCEMENT

            LEE COUNTY SHERIFFS OFFICE REPORTED LARGE HAIL ON DUNCAN
            ROAD.

&&

FPW

The office that day

Everything else NWS Columbia, SC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 6, 8:18 PM EDTSevere Thunderstorm WarningCAELexington, Newberry42 min
Aug 6, 8:56 PM EDTSevere Thunderstorm WarningCAECalhoun, Lexington34 min
Aug 6, 9:35 PM EDTSevere Thunderstorm WarningCAECalhoun, Richland40 min
Aug 7, 2:23 PM EDTSevere Thunderstorm WarningCAEChesterfield52 min
Aug 7, 2:51 PM EDTSevere Thunderstorm WarningCAELancaster24 min
Aug 7, 2:57 PM EDTSevere Thunderstorm WarningCAEFairfield33 min
Aug 7, 4:01 PM EDTSevere Thunderstorm WarningCAEFairfield, Kershaw44 min
Aug 7, 4:29 PM EDTSevere Thunderstorm WarningCAEKershaw46 min
Aug 7, 4:48 PM EDTSevere Thunderstorm WarningCAEKershaw, Lee, Sumter57 min
Aug 7, 5:14 PM EDTSevere Thunderstorm WarningCAERichland46 min
Aug 7, 5:58 PM EDTSevere Thunderstorm WarningCAESumter62 min
Aug 7, 6:29 PM EDTSevere Thunderstorm WarningCAEClarendon61 min
Aug 7, 6:56 PM EDTSevere Thunderstorm WarningCAEAiken38 min
Aug 7, 7:24 PM EDTFlash Flood WarningCAERichland52 min
Aug 7, 5:40 PM EDTSevere Thunderstorm WarningCAEBurke, Richmond50 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2008Every severe thunderstorm warning in 2008

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.