Alert archive / South Carolina / Severe Thunderstorm Warnings in 2009
Severe Thunderstorm Warning 28, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Apr 10, 2009, 2:39 PM EDT for Greenville County, Spartanburg County, South Carolina. It was in force for 51 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 10, 2009, 2:39 PM EDT (18:39 UTC)
- Expired
- Apr 10, 2009, 3:30 PM EDT
- In force
- 51 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Storm-based polygon
Counties Greenville County, SC, Spartanburg County, SC
The radar
The Greer radar (KGSP), 5 km from the middle of the area, began a volume at 18:41 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, 6.7 hours before the alert went out and 244 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1528 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 91 m²/s²
- 0-3 km storm-relative helicity
- 127 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 10, 2:08 PM EDT, 31 minutes earlier.
Area forecast discussion, Apr 10, 2:08 PM EDT, 31 minutes before
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</html>Hazardous weather outlook, Apr 10, 5:04 AM EDT, 9 hours 35 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 504 AM EDT FRI APR 10 2009 GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065- 068>072-082-501>510-SCZ001>014-019-110915- 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- 504 AM EDT FRI APR 10 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA...PIEDMONT NORTH CAROLINA...WESTERN NORTH CAROLINA AND UPSTATE SOUTH CAROLINA. .DAY ONE...TODAY AND TONIGHT. LOW PRESSURE WILL MOVE ACROSS THE SOUTHERN APPALACHIAN MOUNTAINS THIS EVENING. THE COMBINATION OF STRONG WIND SHEAR AND AN UNSTABLE ATMOSPHERE AHEAD OF THE LOW IS LIKELY TO RESULT IN THE DEVELOPMENT OF SEVERE THUNDERSTORMS OVER THE WESTERN CAROLINAS AND NORTHEAST GEORGIA TODAY AND TONIGHT. THE AREA MOST AT RISK OF SEEING SEVERE WEATHER INCLUDES UPSTATE SOUTH CAROLINA...NORTHEAST GEORGIA...THE NORTH CAROLINA MOUNTAINS SOUTHWEST OF ASHEVILLE AND A SMALL PART OF NORTH CAROLINA JUST WEST OF CHARLOTTE AND SOUTH OF INTERSTATE 40. THUNDERSTORMS IN THIS AREA MAY PRODUCE EXCEPTIONALLY LARGE HAIL LATER TODAY AND TONIGHT. DAMAGING WINDS AND A FEW TORNADOES ARE POSSIBLE... PARTICULARLY OVER THE UPSTATE AND NORTHEAST GEORGIA. IF TEMPERATURES WARM TO AROUND 70 DEGREES TODAY...THEN SEVERE WEATHER WILL BE EVEN MORE WIDESPREAD AND WILL LIKELY AFFECT AREAS AS FAR NORTH AND EAST AS CHARLOTTE...SALISBURY AND STATESVILLE. HOWEVER...IF CLOUD COVER HOLDS HIGH TEMPERATURES IN THE 60S... THEN THE SEVERE THREAT WILL PROBABLY BE CONFINED TO A SMALLER AREA INCLUDING NORTHEAST GEORGIA AND THE UPSTATE SOUTHWEST OF GREENVILLE. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SKYWARN SPOTTERS ARE REQUESTED TO FORWARD ANY REPORTS OF LARGE HAIL...DAMAGING WINDS...TORNADOES OR FLASH FLOODING TO OUR OFFICE. MCAVOY
In the hours before
Special weather statement, Apr 10, 10:53 AM EDT, 3 hours 46 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 1053 AM EDT FRI APR 10 2009 GAZ028-101515- HART- 1053 AM EDT FRI APR 10 2009 ...A STRONG THUNDERSTORM WILL AFFECT NORTHERN HART COUNTY THROUGH 1115 AM EDT... AT 1051 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 3 MILES WEST OF HARTWELL...MOVING NORTHEAST AT 40 MPH. THIS STORM WILL BE NEAR... REED CREEK BY 1100 AM EDT. MOTHBALL SIZE HAIL...BRIEF HEAVY RAINFALL AND CLOUD TO GROUND LIGHTNING ARE EXPECTED WITH THIS STORM. LANE
Special weather statement, Apr 10, 11:33 AM EDT, 3 hours 6 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 1133 AM EDT FRI APR 10 2009 GAZ029-SCZ006-007-010>013-019-101645- ELBERT-GREATER GREENVILLE-SPARTANBURG-ANDERSON-ABBEVILLE-LAURENS- UNION SC-GREENWOOD- INCLUDING THE CITIES OF...ELBERTON...GREENVILLE...SPARTANBURG... ANDERSON...ABBEVILLE...LAURENS...UNION...GREENWOOD 1133 AM EDT FRI APR 10 2009 ...ISOLATED STRONG THUNDERSTORMS WILL OCCUR ACROSS SOUTHERN PORTIONS OF THE UPSTATE THROUGH 1230 PM... AT 1127 AM...NATIONAL WEATHER SERVICE RADAR INDICATED NUMEROUS SHOWERS AND THUNDERSTORMS EXTENDING FROM SOUTHERN ANDERSON COUNTY TO NORTHERN LAURENS AND SOUTHERN GREENVILLE COUNTY. THROUGH 1230 PM...MOST OF THIS ACTIVITY WILL REMAIN JUST SOUTH OF I-85 AS IT APPROACHES SOUTHERN SPARTANBURG AND UNION COUNTIES. ISOLATED EMBEDDED STRONG THUNDERSTORMS WILL BE CAPABLE OF PRODUCING BRIEF PERIODS OF SMALL HAIL...FREQUENT CLOUD TO GROUND LIGHTNING...AND VERY HEAVY RAINFALL. STAY TUNED TO NOAA WEATHER RADIO FOR LATER STATEMENTS AND POSSIBLE WARNINGS. LANE
Special weather statement, Apr 10, 12:42 PM EDT, 1 hour 57 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 1242 PM EDT FRI APR 10 2009 GAZ010-017-018-026-028-029-SCZ001>014-019-101845- RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-OCONEE MOUNTAINS- PICKENS MOUNTAINS-GREENVILLE MOUNTAINS-GREATER OCONEE- GREATER PICKENS-GREATER GREENVILLE-SPARTANBURG-CHEROKEE-YORK- ANDERSON-ABBEVILLE-LAURENS-UNION SC-CHESTER-GREENWOOD- INCLUDING THE CITIES OF...CLAYTON...CLARKESVILLE...TOCCOA... HARTWELL...ELBERTON...GREENVILLE...SPARTANBURG...GAFFNEY... ROCK HILL...ANDERSON...ABBEVILLE...LAURENS...UNION...CHESTER... GREENWOOD 1242 PM EDT FRI APR 10 2009 ...ISOLATED STRONG THUNDERSTORMS POSSIBLE ACROSS THE UPSTATE AND NORTHEAST GEORGIA EARLY THIS AFTERNOON... AT 1239 PM...NATIONAL WEATHER SERVICE RADAR INDICATED SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS ACROSS UPSTATE SOUTH CAROLINA AND NORTHEAST GEORGIA. THROUGH 2 PM...ISOLATED EMBEDDED STRONGER STORMS CAN BE EXPECTED TO PRODUCE BRIEF PERIODS OF SMALL HAIL... FREQUENT CLOUD TO GROUND LIGHTNING...AND VERY HEAVY RAINFALL. MORE SIGNIFICANT THUNDERSTORM ACTIVITY IS EXPECTED LATER THIS AFTERNOON INTO THE EVENING HOURS. STAY TUNED TO NOAA WEATHER RADIO OR LOCAL NEWS MEDIA FOR LATER STATEMENTS AND POSSIBLE WARNINGS. LANE
Local storm report, Apr 10, 1:25 PM EDT, 1 hour 14 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
125 PM EDT FRI APR 10 2009
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0108 PM HAIL 4 NW ANDERSON 34.56N 82.70W
04/10/2009 E0.75 INCH ANDERSON SC TRAINED SPOTTER
SPOTTER REPORTS 3/4 INCH HAIL ABOUT 3 MILES NORTH OF THE
ANDERSON COUNTY AIRPORT.
0115 PM HAIL 5 NW ANDERSON 34.57N 82.71W
04/10/2009 E0.75 INCH ANDERSON SC TRAINED SPOTTER
SPOTTER REPORTS 3/4 INCH HAIL ON CLEMSON BLVD...ABOUT 1
MILE SOUTH OF I-85.
&&
BSHLocal storm report, Apr 10, 2:10 PM EDT, 29 minutes before
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</html>Local storm report, Apr 10, 2:33 PM EDT, 6 minutes before
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</html>The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 10, 2:15 PM EDT | Severe Thunderstorm Warning | GSP | Henderson, Polk | 60 min |
| Apr 10, 3:20 PM EDT | Severe Thunderstorm Warning | GSP | Cleveland | 40 min |
| Apr 10, 4:00 PM EDT | Severe Thunderstorm Warning | GSP | Gaston, Mecklenburg | 45 min |
| Apr 10, 4:11 PM EDT | Severe Thunderstorm Warning | GSP | Cabarrus, Rowan | 15 min |
| Apr 10, 4:16 PM EDT | Severe Thunderstorm Warning | GSP | Mitchell, Yancey | 27 min |
| Apr 10, 4:39 PM EDT | Severe Thunderstorm Warning | GSP | Cabarrus, Rowan | 36 min |
| Apr 10, 4:43 PM EDT | Severe Thunderstorm Warning | GSP | Polk, Rutherford | 36 min |
| Apr 10, 5:12 PM EDT | Severe Thunderstorm Warning | GSP | Graham, Macon, Swain | 93 min |
| Apr 10, 5:46 PM EDT | Severe Thunderstorm Warning | GSP | Rowan | 14 min |
| Apr 10, 5:50 PM EDT | Severe Thunderstorm Warning | GSP | Cabarrus, Gaston, Mecklenburg | 40 min |
| Apr 10, 1:08 PM EDT | Severe Thunderstorm Warning | GSP | Anderson, Greenville | 37 min |
| Apr 10, 1:16 PM EDT | Severe Thunderstorm Warning | GSP | Greenville, Pickens | 24 min |
| Apr 10, 1:35 PM EDT | Severe Thunderstorm Warning | GSP | Oconee | 40 min |
| Apr 10, 1:43 PM EDT | Severe Thunderstorm Warning | GSP | Greenville, Spartanburg | 37 min |
| Apr 10, 2:05 PM EDT | Severe Thunderstorm Warning | GSP | Anderson, Oconee, Pickens | 40 min |
| Apr 10, 2:32 PM EDT | Severe Thunderstorm Warning | GSP | Greenville, Pickens | 30 min |
| Apr 10, 4:21 PM EDT | Severe Thunderstorm Warning | GSP | Greenville | 24 min |
| Apr 10, 4:32 PM EDT | Severe Thunderstorm Warning | GSP | Cherokee, Spartanburg, Union | 45 min |
| Apr 10, 6:24 PM EDT | Tornado Warning | GSP | Oconee | 51 min |
| Apr 10, 7:05 PM EDT | Tornado Warning | GSP | Pickens | 39 min |
| Apr 10, 7:08 PM EDT | Tornado Warning | GSP | Anderson, Oconee | 56 min |
| Apr 10, 7:42 PM EDT | Severe Thunderstorm Warning | GSP | Greenville, Spartanburg | 63 min |
| Apr 10, 7:56 PM EDT | Tornado Warning | GSP | Anderson, Greenville, Laurens | 49 min |
| Apr 10, 5:43 PM EDT | Tornado Warning | GSP | Habersham, Rabun | 62 min |
| Apr 10, 6:28 PM EDT | Tornado Warning | GSP | Franklin, Stephens | 47 min |
| Apr 10, 7:50 PM EDT | Severe Thunderstorm Warning | GSP | Elbert, Hart | 40 min |
| Apr 10, 7:56 PM EDT | Tornado Warning | GSP | Elbert | 49 min |
Nearby
Severe Thunderstorm Warnings in South Carolina, 2009Every severe thunderstorm warning in 2009
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.