Alert archive / Georgia / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 336, NWS Greenville-Spartanburg, SC

July 23, 2008Oconee County, South Carolina; Franklin County, Stephens County, Georgia

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 23, 2008, 2:28 PM EDT for Oconee County, South Carolina; Franklin County, Stephens County, Georgia. It was in force for 52 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
Jul 23, 2008, 2:28 PM EDT (18:28 UTC)
Expired
Jul 23, 2008, 3:20 PM EDT
In force
52 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon

Counties Franklin County, GA, Stephens County, GA, Oconee County, SC

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 6.5 hours before the alert went out and 179 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, Peachtre/Fal Fld, GA at 12:00Z on 2008-07-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 200 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, Peachtre/Fal Fld, GA at 12:00Z on 2008-07-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 50 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
200 J/kg
Mixed-layer CIN
-178 J/kg
Mixed-layer LCL
910 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
50 m²/s²
0-3 km storm-relative helicity
53 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 Greenville-Spartanburg, SC wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 23, 2:00 PM EDT, 28 minutes earlier.

Area forecast discussion, Jul 23, 2:00 PM EDT, 28 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, Jul 23, 3:39 AM EDT, 10 hours 49 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>

In the hours before

Special weather statement, Jul 23, 10:06 AM EDT, 4 hours 22 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1006 AM EDT WED JUL 23 2008

NCZ071-072-231445-
CABARRUS-MECKLENBURG-
1006 AM EDT WED JUL 23 2008

...A STRONG THUNDERSTORM WILL AFFECT EASTERN MECKLENBURG AND SOUTHERN
CABARRUS COUNTIES THROUGH 1045 AM EDT...

AT 1006 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR UNC CHARLOTTE...MOVING EAST AT 9 MPH.

THIS STORM WILL BE NEAR...
  LOWES MOTOR SPEEDWAY BY 1015 AM EDT.
  HARRISBURG BY 1025 AM EDT.

PEA SIZE HAIL...AND WIND GUSTS OF 30 TO 40 MPH ARE EXPECTED WITH THIS
STORM.

HEAVY RAINS MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND
UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS FLOODED ROADS. WATER
LEVELS OF SMALL STREAMS AND RIVERS MAY ALSO RISE...THEREFORE SEEK
HIGHER GROUND IF THREATENED BY FLOOD WATERS.

INTENSE LIGHTNING IS OCCURRING WITH THIS STORM. IF OUTDOORS...STAY
AWAY FROM ISOLATED HIGH OBJECTS SUCH AS TREES. MOVE INDOORS IF
POSSIBLE. WHEN INDOORS...STAY AWAY FROM WINDOWS AND DOORS AND AVOID
USING TELEPHONES UNLESS IT IS AN EMERGENCY. TRY TO UNPLUG UNNECESSARY
ELECTRICAL APPLIANCES BEFORE THE THUNDERSTORM APPROACHES.

BSH
Local storm report, Jul 23, 11:39 AM EDT, 2 hours 49 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1139 AM EDT WED JUL 23 2008

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

0755 PM     TSTM WND DMG     1 E ENOCHVILLE          35.52N 80.65W
07/22/2008                   ROWAN              NC   TRAINED SPOTTER

            TREES DOWN ON ENOCHVILLE HWY EAST OF TOWN, LIMBS DOWN IN
            TOWN REPORTED BY FIRE DEPT. HAIL EAST OF TOWN.

0755 PM     HAIL             1 E ENOCHVILLE          35.52N 80.65W
07/22/2008  E0.75 INCH       ROWAN              NC   TRAINED SPOTTER

            DIME TO PENNY SIZE HAIL EAST OF TOWN, AND TREES DOWN.

&&

TBENTHALL
Special weather statement, Jul 23, 2:24 PM EDT, 4 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
224 PM EDT WED JUL 23 2008

GAZ018-SCZ001-004-231900-
GREATER OCONEE-OCONEE MOUNTAINS-STEPHENS-
224 PM EDT WED JUL 23 2008

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN STEPHENS AND
SOUTHERN OCONEE COUNTIES THROUGH 300 PM EDT...

AT 224 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 3 MILES SOUTHEAST OF LONG CREEK...OR 10 MILES
WEST OF WALHALLA...MOVING SOUTHEAST AT 16 MPH.

THIS STORM WILL BE NEAR...
  WESTMINSTER BY 255 PM EDT.
  6 MILES NORTH OF LAKE HARTWELL BY 300 PM EDT.

PEA SIZE HAIL...AND WIND GUSTS OF 30 TO 40 MPH ARE EXPECTED WITH THIS
STORM.

INTENSE LIGHTNING IS OCCURRING WITH THIS STORM. IF OUTDOORS...STAY
AWAY FROM ISOLATED HIGH OBJECTS SUCH AS TREES. MOVE INDOORS IF
POSSIBLE. WHEN INDOORS...STAY AWAY FROM WINDOWS AND DOORS AND AVOID
USING TELEPHONES UNLESS IT IS AN EMERGENCY. TRY TO UNPLUG UNNECESSARY
ELECTRICAL APPLIANCES BEFORE THE THUNDERSTORM APPROACHES.

BSH

The office that day

Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 22, 8:01 PM EDTSevere Thunderstorm WarningGSPMecklenburg59 min
Jul 22, 8:14 PM EDTSevere Thunderstorm WarningGSPCatawba, Iredell33 min
Jul 22, 8:33 PM EDTSevere Thunderstorm WarningGSPGaston, Lincoln, Mecklenburg39 min
Jul 22, 8:41 PM EDTSevere Thunderstorm WarningGSPMecklenburg29 min
Jul 22, 8:43 PM EDTSevere Thunderstorm WarningGSPAlexander, Iredell52 min
Jul 22, 9:22 PM EDTSevere Thunderstorm WarningGSPCatawba, Iredell, Rowan25 min
Jul 22, 10:16 PM EDTAreal Flood AdvisoryGSPCabarrus, Mecklenburg, Union59 min
Jul 23, 11:42 AM EDTAreal Flood AdvisoryGSPCabarrus, Mecklenburg93 min
Jul 23, 4:45 PM EDTSevere Thunderstorm WarningGSPCleveland, Gaston, Lincoln60 min
Jul 23, 5:36 PM EDTSevere Thunderstorm WarningGSPCleveland44 min
Jul 23, 5:41 PM EDTSevere Thunderstorm WarningGSPBurke64 min
Jul 23, 6:16 PM EDTSevere Thunderstorm WarningGSPBurke, Caldwell, Catawba, Lincoln46 min
Jul 23, 7:14 PM EDTSevere Thunderstorm WarningGSPDavie, Iredell, Rowan61 min
Jul 23, 3:08 PM EDTSevere Thunderstorm WarningGSPGreenville, Pickens42 min
Jul 23, 3:31 PM EDTSevere Thunderstorm WarningGSPAnderson59 min
Jul 23, 3:44 PM EDTSevere Thunderstorm WarningGSPSpartanburg61 min
Jul 23, 3:47 PM EDTSevere Thunderstorm WarningGSPAbbeville, Anderson58 min
Jul 23, 4:36 PM EDTSevere Thunderstorm WarningGSPLaurens, Spartanburg, Union54 min
Jul 23, 4:40 PM EDTSevere Thunderstorm WarningGSPAbbeville, Greenwood44 min
Jul 23, 4:59 PM EDTSevere Thunderstorm WarningGSPUnion24 min
Jul 23, 5:16 PM EDTSevere Thunderstorm WarningGSPElbert23 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2008Severe 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.