Alert archive / South Carolina / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 414, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Aug 26, 2007, 5:20 PM EDT for Union County, South Carolina. It was in force for 40 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 26, 2007, 5:20 PM EDT (21:20 UTC)
- Expired
- Aug 26, 2007, 6:00 PM EDT
- In force
- 40 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Counties, with a storm outline in the text
County Union County, SC
The radar
The Greer radar (KGSP), 59 km from the middle of the area, began a volume at 21:22 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, 9.3 hours before the alert went out and 220 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
- 583 J/kg
- Mixed-layer CIN
- -121 J/kg
- Mixed-layer LCL
- 1105 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 11 m²/s²
- 0-3 km storm-relative helicity
- 0 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 Greenville-Spartanburg, SC wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 26, 4:56 PM EDT, 24 minutes earlier.
Area forecast discussion, Aug 26, 4:56 PM EDT, 24 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 26, 5:45 AM EDT, 11 hours 35 minutes before
HAZARDOUS WEATHER OUTLOOK...CORRECTED NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 545 AM EDT SUN AUG 26 2007 GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065- 068>072-082-501>510-SCZ001>014-019-271000- RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-AVERY-ALEXANDER- IREDELL-DAVIE-MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD-BUNCOMBE-CATAWBA- ROWAN-GRAHAM-NORTHERN JACKSON-MACON-SOUTHERN JACKSON-TRANSYLVANIA- HENDERSON-CLEVELAND-LINCOLN-GASTON-MECKLENBURG-CABARRUS-UNION NC- CALDWELL MOUNTAINS-GREATER CALDWELL-BURKE MOUNTAINS-GREATER BURKE- MCDOWELL MOUNTAINS-EASTERN MCDOWELL-RUTHERFORD MOUNTAINS- GREATER RUTHERFORD-POLK MOUNTAINS-EASTERN POLK-OCONEE MOUNTAINS- PICKENS MOUNTAINS-GREENVILLE MOUNTAINS-GREATER OCONEE- GREATER PICKENS-GREATER GREENVILLE-SPARTANBURG-CHEROKEE-YORK- ANDERSON-ABBEVILLE-LAURENS-UNION SC-CHESTER-GREENWOOD- 545 AM EDT SUN AUG 26 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA...PIEDMONT NORTH CAROLINA...WESTERN NORTH CAROLINA AND UPSTATE SOUTH CAROLINA. .DAY ONE...TODAY AND TONIGHT A FEW SEVERE STORMS WILL BE POSSIBLE THIS AFTERNOON AND EARLY EVENING. THE MAIN SEVERE THREAT IS EXPECTED TO BE DAMAGING WINDS. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY ISOLATED TO SCATTERED THUNDERSTORMS WILL BE POSSIBLE MONDAY AND TUESDAY AFTERNOON AND EVENINGS...MAINLY ALONG AND SOUTH OF INTERSTATE 85. ONE OR TWO OF THE STORMS COULD BECOME SEVERE WITH DAMAGING WIND AND/OR LARGE HAIL. THE NEXT ROUND OF THUNDERSTORMS IS EXPECTED LATE THURSDAY AND FRIDAY ASSOCIATED WITH A COLD FRONT. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON. DEO
In the hours before
Special weather statement, Aug 26, 4:29 PM EDT, 51 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>Special weather statement, Aug 26, 4:36 PM EDT, 44 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>Special weather statement, Aug 26, 5:00 PM EDT, 20 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>Special weather statement, Aug 26, 5:06 PM EDT, 14 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 506 PM EDT SUN AUG 26 2007 SCZ013-262200- UNION- 506 PM EDT SUN AUG 26 2007 ...A STRONG THUNDERSTORM WILL AFFECT WESTERN UNION COUNTY THROUGH 600 PM EDT... AT 501 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM NEAR CROSS KEYS...OR 10 MILES SOUTHWEST OF UNION. THIS STORM WAS NEARLY STATIONARY. THIS STORM WILL BE NEAR... CROSS KEYS BY 520 PM EDT. WIND GUSTS OF 40 TO 50 MPH AND FREQUENT CLOUD TO GROUND LIGHTNING ARE EXPECTED WITH THIS STORM. LANE
Special weather statement, Aug 26, 5:16 PM EDT, 4 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 516 PM EDT SUN AUG 26 2007 GAZ029-262145- ELBERT- 516 PM EDT SUN AUG 26 2007 ...A STRONG THUNDERSTORM WILL AFFECT EASTERN ELBERT COUNTY THROUGH 545 PM EDT... AT 510 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 7 MILES SOUTHWEST OF CALHOUN FALLS...OR 14 MILES SOUTHEAST OF ELBERTON...MOVING NORTH AT 5 MPH. WIND GUSTS OF 40 TO 50 MPH AND FREQUENT CLOUD TO GROUND LIGHTNING ARE EXPECTED WITH THIS STORM. LANE
Special weather statement, Aug 26, 5:17 PM EDT, 3 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 517 PM EDT SUN AUG 26 2007 NCZ082-262215- UNION- 517 PM EDT SUN AUG 26 2007 ...A STRONG THUNDERSTORM WILL AFFECT UNION COUNTY THROUGH 615 PM EDT... AT 517 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 3 MILES SOUTHWEST OF UNIONVILLE...OR 5 MILES NORTH OF MONROE...MOVING SOUTH AT 10 MPH. * OTHER LOCATIONS AFFECTED INCLUDE BUT ARE NOT LIMITED TO UNIONVILLE...TRINITY...WINGATE...STURDIVANTS...MONROE... MARSHVILLE...INDIAN TRAIL AND FAIRVIEW. WIND GUSTS OF 30 TO 40 MPH ARE EXPECTED WITH THIS STORM. VERY HEAVY RAIN HAS OCCURRED OVER THE PAST FEW HOURS IN THE COUNTY...PRIMARILY FROM MONROE...TO WINGATE...AND MARSHVILLE. NATIONAL WEATHER SERVICE RADAR INDICATES THAT 2 TO 3 INCHES OF RAIN HAS ALREADY FALLEN...AND A PERIOD OF HEAVY RAINFALL WILL CONTINUE FROM FAIRVIEW SOUTH TO WINGATE. FLOODING OF LOW LYING AND POOR DRAINAGE AREAS WILL BE POSSIBLE ESPECIALLY IN THE WINGATE AND MARSHVILLE AREAS. ALSO...MOTORISTS DRIVING ALONG HIGHWAY 74 SHOULD USE EXTRA CAUTION AND WATCH FOR DEEP PONDING OF WATER ALONG THE ROADWAY. SMALL STREAMS AND CREEKS IN THE SALEM AND RICHARDSON CREEK BASINS WILL SEE WATER LEVELS RISE AS WELL. 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. BSH
The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 26, 1:40 PM EDT | Severe Thunderstorm Warning | GSP | Henderson | 50 min |
| Aug 26, 6:03 PM EDT | Severe Thunderstorm Warning | GSP | Mecklenburg | 50 min |
| Aug 26, 3:55 PM EDT | Severe Thunderstorm Warning | GSP | Anderson | 65 min |
| Aug 26, 4:12 PM EDT | Severe Thunderstorm Warning | GSP | Spartanburg | 48 min |
Nearby
Severe Thunderstorm Warnings in South Carolina, 2007Every severe thunderstorm warning in 2007
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.