Alert archive / South Carolina / Severe Thunderstorm Warnings in 2010
Severe Thunderstorm Warning 26, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Apr 8, 2010, 4:40 PM EDT for Anderson County, Oconee County, Pickens County, South Carolina; Franklin County, Hart County, Stephens County, Georgia. It was in force for 65 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 8, 2010, 4:40 PM EDT (20:40 UTC)
- Expired
- Apr 8, 2010, 5:45 PM EDT
- In force
- 65 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Storm-based polygon
Counties Franklin County, GA, Hart County, GA, Stephens County, GA, Anderson County, SC, Oconee County, SC, Pickens County, SC
The radar
The Greer radar (KGSP), 78 km from the middle of the area, began a volume at 20:40 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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 8, 4:28 PM EDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 8.7 hours before the alert went out and 193 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
- 7 J/kg
- Mixed-layer CIN
- -320 J/kg
- Mixed-layer LCL
- 784 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 155 m²/s²
- 0-3 km storm-relative helicity
- 156 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 Apr 8, 2:50 PM EDT, 1 hour 50 minutes earlier.
Area forecast discussion, Apr 8, 2:50 PM EDT, 1 hour 50 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 8, 4:03 PM EDT, 37 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, Apr 8, 1:15 PM EDT, 3 hours 25 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, Apr 8, 1:44 PM EDT, 2 hours 56 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 144 PM EDT THU APR 8 2010 NCZ071-072-081815- CABARRUS-MECKLENBURG- 144 PM EDT THU APR 8 2010 ...A STRONG THUNDERSTORM WILL AFFECT CABARRUS AND EASTERN MECKLENBURG COUNTIES THROUGH 215 PM EDT... AT 140 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM CAPABLE OF PRODUCING WIND GUSTS OF 40 MPH. THE STORM WAS LOCATED NEAR UNC CHARLOTTE...MOVING NORTHEAST AT 40 MPH. PEOPLE IN CABARRUS AND EASTERN MECKLENBURG COUNTIES...INCLUDING THE FOLLOWING LOCATIONS... HARRISBURG...CHARLOTTE MOTOR SPEEDWAY...CONCORD AND MOUNT PLEASANT... SHOULD MONITOR THE WEATHER SITUATION CLOSELY. LISTEN FOR POSSIBLE WARNINGS AND BE PREPARED TO TAKE APPROPRIATE ACTION SHOULD SEVERE WEATHER THREATEN. LANE
Special weather statement, Apr 8, 1:58 PM EDT, 2 hours 42 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 158 PM EDT THU APR 8 2010 NCZ057-081830- ROWAN- 158 PM EDT THU APR 8 2010 ...A STRONG THUNDERSTORM WILL AFFECT EASTERN ROWAN COUNTY THROUGH 230 PM EDT... AT 156 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM CAPABLE OF PRODUCING WIND GUSTS OF 40 MPH. THE STORM WAS LOCATED NEAR KANNAPOLIS...OR 5 MILES NORTH OF CONCORD... MOVING NORTHEAST AT 40 MPH. PEOPLE IN EASTERN ROWAN COUNTY...INCLUDING THE FOLLOWING LOCATIONS... LANDIS...CHINA GROVE...GRANITE QUARRY...SALISBURY...SPENCER AND HIGH ROCK LAKE... SHOULD MONITOR THE WEATHER SITUATION CLOSELY. LISTEN FOR POSSIBLE WARNINGS AND BE PREPARED TO TAKE APPROPRIATE ACTION SHOULD SEVERE WEATHER THREATEN. LANE
Special weather statement, Apr 8, 3:02 PM EDT, 1 hour 38 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 302 PM EDT THU APR 8 2010 NCZ035-036-081930- ALEXANDER-IREDELL- 302 PM EDT THU APR 8 2010 ...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN ALEXANDER AND NORTHERN IREDELL COUNTIES THROUGH 330 PM EDT... AT 259 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 4 MILES NORTHEAST OF STONY POINT...OR 10 MILES EAST OF TAYLORSVILLE...MOVING NORTHEAST AT 35 MPH. PEA SIZE HAIL...AND WIND GUSTS OF 30 TO 40 MPH ARE EXPECTED WITH THIS STORM. NED
Special weather statement, Apr 8, 4:00 PM EDT, 40 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 400 PM EDT THU APR 8 2010 NCZ035-036-056-082030- ALEXANDER-CATAWBA-IREDELL- 400 PM EDT THU APR 8 2010 ...A STRONG THUNDERSTORM WILL AFFECT CENTRAL CATAWBA...NORTHERN IREDELL AND SOUTHEASTERN ALEXANDER COUNTIES THROUGH 430 PM EDT... AT 358 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM NEAR CLAREMONT...OR 4 MILES NORTHEAST OF NEWTON...MOVING NORTHEAST AT 40 MPH. THIS STORM WILL BE NEAR... LOOKOUT SHOALS LAKE... STONY POINT... MOTHBALL SIZE HAIL...AND WIND GUSTS OF 30 TO 40 MPH ARE EXPECTED WITH THIS STORM. NED
Special weather statement, Apr 8, 4:31 PM EDT, 9 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 431 PM EDT THU APR 8 2010 GAZ018-026-028-SCZ001-004-005-010-082100- ANDERSON-FRANKLIN-GREATER OCONEE-GREATER PICKENS-HART-OCONEE MOUNTAINS-STEPHENS- 431 PM EDT THU APR 8 2010 ...STRONG THUNDERSTORMS WILL AFFECT FRANKLIN...NORTHERN HART... SOUTHERN OCONEE...SOUTHWESTERN PICKENS...STEPHENS AND WESTERN ANDERSON COUNTIES THROUGH 500 PM EDT... AT 427 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 3 MILES NORTH OF TOCCOA TO 5 MILES SOUTH OF CARNESVILLE...MOVING NORTHEAST AT 40 MPH. THESE STORMS WILL BE NEAR... LAVONIA... LAKE HARTWELL... WESTMINSTER... WALHALLA... LAKE KEOWEE... PEA SIZE HAIL...AND WIND GUSTS OF 40 TO 50 MPH ARE EXPECTED WITH THESE STORMS. 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. NED
The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 8, 3:13 PM EDT | Freeze Watch | GSP | Avery, Buncombe, Burke, Caldwell, Graham, Haywood and 9 more | 11 hr |
| Apr 8, 6:13 PM EDT | Severe Thunderstorm Warning | GSP | Burke, Catawba, Cleveland, Lincoln, Rutherford | 62 min |
| Apr 8, 6:17 PM EDT | Tornado Warning | GSP | Cleveland, Rutherford | 32 min |
| Apr 8, 6:38 PM EDT | Tornado Warning | GSP | Catawba, Gaston, Lincoln | 37 min |
| Apr 8, 7:03 PM EDT | Severe Thunderstorm Warning | GSP | Catawba, Davie, Iredell, Rowan | 57 min |
| Apr 8, 5:08 PM EDT | Tornado Warning | GSP | Anderson, Oconee, Pickens | 33 min |
| Apr 8, 5:32 PM EDT | Tornado Warning | GSP | Anderson, Pickens | 31 min |
| Apr 8, 6:23 PM EDT | Tornado Warning | GSP | Greenville, Laurens, Spartanburg | 22 min |
| Apr 8, 6:55 PM EDT | Severe Thunderstorm Warning | GSP | Greenwood | 35 min |
Nearby
Severe Thunderstorm Warnings in South Carolina, 2010Severe Thunderstorm Warnings in Georgia, 2010Every severe thunderstorm warning in 2010
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.