Alert archive / North Carolina / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 50, NWS Greenville-Spartanburg, SC

April 26, 2008Henderson County, Polk County, North Carolina; Greenville County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Apr 26, 2008, 12:48 PM EDT for Henderson County, Polk County, North Carolina; Greenville County, South Carolina. It was in force for 42 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
Apr 26, 2008, 12:48 PM EDT (16:48 UTC)
Expired
Apr 26, 2008, 1:30 PM EDT
In force
42 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon

Counties Henderson County, NC, Polk County, NC, Greenville County, SC

The radar

The Greer radar (KGSP), 34 km from the middle of the area, began a volume at 16:49 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, 4.8 hours before the alert went out and 243 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, Greensboro/Hi Pt, NC at 12:00Z on 2008-04-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 158 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, Greensboro/Hi Pt, NC at 12:00Z on 2008-04-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -36 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
158 J/kg
Mixed-layer CIN
-132 J/kg
Mixed-layer LCL
858 m above ground
0-6 km bulk shear
5 kt
0-1 km storm-relative helicity
-36 m²/s²
0-3 km storm-relative helicity
34 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 Apr 26, 10:39 AM EDT, 2 hours 9 minutes earlier.

Area forecast discussion, Apr 26, 10:39 AM EDT, 2 hours 9 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, Apr 26, 4:20 AM EDT, 8 hours 28 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
420 AM EDT SAT APR 26 2008

GAZ010-017-NCZ033-048>053-058-059-062>065-501-503-505-507-509-
SCZ001>003-270830-
RABUN-HABERSHAM-AVERY-MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD-BUNCOMBE-
GRAHAM-NORTHERN JACKSON-MACON-SOUTHERN JACKSON-TRANSYLVANIA-
HENDERSON-CALDWELL MOUNTAINS-BURKE MOUNTAINS-MCDOWELL MOUNTAINS-
RUTHERFORD MOUNTAINS-POLK MOUNTAINS-OCONEE MOUNTAINS-
PICKENS MOUNTAINS-GREENVILLE MOUNTAINS-
420 AM EDT SAT APR 26 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA...WESTERN
NORTH CAROLINA AND UPSTATE SOUTH CAROLINA.

.DAY ONE...TODAY AND TONIGHT

SHOWERS AND THUNDERSTORMS WILL DEVELOP ALONG AND AHEAD OF A COLD
FRONT TODAY. THE COVERAGE OF THE THUNDERSTORMS IS FORECAST TO PEAK
ACROSS THE MOUNTAINS THIS AFTERNOON AND EARLY EVENING. THESE
STORMS MAY PRODUCE FREQUENT CLOUD TO GROUND LIGHTNING...PERIODS OF
HEAVY DOWNPOURS...AND GUSTY WINDS. ONE OR TWO OF THESE STORMS
COULD PRODUCE PENNEY SIZED HAIL.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

ANOTHER ROUND OF THUNDERSTORMS IS FORECAST TO DEVELOP ACROSS THE
MOUNTAINS AND FOOTHILLS SUNDAY NIGHT AND MONDAY. A FEW OF THESE STORMS
COULD BECOME SEVERE...PRODUCING DAMAGING WINDS AND HAIL.

TEMPERATURES WILL FALL INTO THE LOW TO MID 30S ACROSS THE
MOUNTAINS AROUND SUNRISE TUESDAY. THESE TEMPERATURES MAY RESULT IN A
LIGHT FREEZE OR FROST...ESPECIALLY ABOVE 3000 FEET IN ELEVATION.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ENCOURAGED TO REPORT SEVERE WEATHER TO THE NATIONAL
WEATHER SERVICE.

GAZ018-026-028-029-NCZ035>037-056-057-068>072-082-502-504-506-508-
510-SCZ004>014-019-270830-
STEPHENS-FRANKLIN-HART-ELBERT-ALEXANDER-IREDELL-DAVIE-CATAWBA-ROWAN-
CLEVELAND-LINCOLN-GASTON-MECKLENBURG-CABARRUS-UNION NC-
GREATER CALDWELL-GREATER BURKE-EASTERN MCDOWELL-GREATER RUTHERFORD-
EASTERN POLK-GREATER OCONEE-GREATER PICKENS-GREATER GREENVILLE-
SPARTANBURG-CHEROKEE-YORK-ANDERSON-ABBEVILLE-LAURENS-UNION SC-
CHESTER-GREENWOOD-
420 AM EDT SAT APR 26 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA...PIEDMONT
NORTH CAROLINA...WESTERN NORTH CAROLINA AND UPSTATE SOUTH CAROLINA.

.DAY ONE...TODAY AND TONIGHT

SHOWERS AND THUNDERSTORMS WILL DEVELOP ALONG AND AHEAD OF A COLD
FRONT TODAY. THE COVERAGE OF THE THUNDERSTORMS IS FORECAST TO PEAK
ACROSS THE FOOTHILLS AND PIEDMONT THIS AFTERNOON AND EARLY EVENING. THESE
STORMS MAY PRODUCE FREQUENT CLOUD TO GROUND LIGHTNING...PERIODS OF
HEAVY DOWNPOURS...AND GUSTY WINDS. ONE OR TWO OF THESE STORMS
COULD PRODUCE PENNEY SIZED HAIL.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

ANOTHER ROUND OF THUNDERSTORMS IS FORECAST TO DEVELOP ACROSS THE
FOOTHILLS AND PIEDMONT SUNDAY NIGHT AND MONDAY. A FEW OF THESE STORMS
COULD BECOME SEVERE...PRODUCING DAMAGING WINDS AND HAIL.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ENCOURAGED TO REPORT SEVERE WEATHER TO THE NATIONAL
WEATHER SERVICE.

NED

In the hours before

Special weather statement, Apr 26, 12:25 PM EDT, 23 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1225 PM EDT SAT APR 26 2008

NCZ065-509-510-261730-
EASTERN POLK-HENDERSON-POLK MOUNTAINS-
1225 PM EDT SAT APR 26 2008

...A STRONG THUNDERSTORM WILL AFFECT CENTRAL HENDERSON AND
NORTHWESTERN POLK COUNTIES THROUGH 130 PM EDT...

AT 1224 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM JUST WESR OF HENDERSONVILLE...MOVING EAST AT 17
MPH.

THIS STORM WILL BE NEAR...
  HENDERSONVILLE BY 1230 PM EDT.
  5 MILES NORTH OF COLUMBUS BY 115 PM EDT.
  LAKE ADGER BY 120 PM EDT.

PEA SIZE HAIL IS EXPECTED WITH THIS STORM.

LANE

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 26, 1:17 PM EDTSevere Thunderstorm WarningGSPPolk43 min
Apr 26, 5:41 PM EDTSevere Thunderstorm WarningGSPGaston64 min
Apr 26, 6:34 PM EDTSevere Thunderstorm WarningGSPCatawba, Lincoln56 min
Apr 26, 6:44 PM EDTSevere Thunderstorm WarningGSPCabarrus61 min
Apr 26, 6:48 PM EDTSevere Thunderstorm WarningGSPCatawba, Lincoln57 min
Apr 26, 6:48 PM EDTSevere Thunderstorm WarningGSPCabarrus57 min
Apr 26, 7:16 PM EDTAreal Flood AdvisoryGSPCabarrus119 min
Apr 26, 3:05 PM EDTSevere Thunderstorm WarningGSPGreenville, Spartanburg70 min
Apr 26, 4:15 PM EDTSevere Thunderstorm WarningGSPSpartanburg, Union75 min
Apr 26, 5:29 PM EDTSevere Thunderstorm WarningGSPChester, Laurens, Spartanburg, Union91 min
Apr 26, 6:59 PM EDTSevere Thunderstorm WarningGSPLaurens61 min
Apr 26, 7:01 PM EDTAreal Flood AdvisoryGSPLaurens119 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 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; radar from the NEXRAD Level II archive.