Alert archive / South Carolina / Severe Thunderstorm Warnings in 2009
Severe Thunderstorm Warning 7, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Feb 11, 2009, 7:07 PM EST for Anderson County, Greenville County, Pickens County, South Carolina. It was in force for 38 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
- Feb 11, 2009, 7:07 PM EST (00:07 UTC)
- Expired
- Feb 11, 2009, 7:45 PM EST
- In force
- 38 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Storm-based polygon
Counties Anderson County, SC, Greenville County, SC, Pickens County, SC
The radar
The Greer radar (KGSP), 35 km from the middle of the area, began a volume at 00:07 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 |
|---|---|---|---|
| Feb 11, 4:08 PM EST | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 0.1 hours before the alert went out and 236 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
- 232 J/kg
- Mixed-layer CIN
- -17 J/kg
- Mixed-layer LCL
- 639 m above ground
- 0-6 km bulk shear
- 87 kt
- 0-1 km storm-relative helicity
- 488 m²/s²
- 0-3 km storm-relative helicity
- 530 m²/s²
- Significant tornado parameter
- 0.8
- Supercell composite
- 7.5
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 Feb 11, 6:42 PM EST, 25 minutes earlier.
Area forecast discussion, Feb 11, 6:42 PM EST, 25 minutes before
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</html>Hazardous weather outlook, Feb 11, 3:33 PM EST, 3 hours 34 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 333 PM EST WED FEB 11 2009 GAZ010-017-SCZ001>003-122045- RABUN-HABERSHAM-OCONEE MOUNTAINS-PICKENS MOUNTAINS- GREENVILLE MOUNTAINS- 333 PM EST WED FEB 11 2009 ...HIGH WIND WARNING IN EFFECT UNTIL 6 AM EST THURSDAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA AND UPSTATE SOUTH CAROLINA. .DAY ONE...THIS AFTERNOON AND TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. HIGH WIND WARNING. STRONG GRADIENT WINDS ARE EXPECTED TO DEVELOP OVER THE MOUNTAINS OF THE WESTERN CAROLINAS AND NORTHEAST GEORGIA THIS AFTERNOON AND TONIGHT. A NARROW LINE OF SHOWERS AND THUNDERSTORMS WILL MOVE ACROSS THE MOUNTAINS DURING THE LATE AFTERNOON HOURS. WHILE THE STORMS WILL NOT BE VERY IMPRESSIVE ON RADAR...THEY ARE LIKELY TO CONTAIN DAMAGING WINDS AS THEY ALLOW THE ALREADY STRONG WINDS IN THE LOWER ATMOSPHERE TO MIX TO THE GROUND. THE LINE SHOULD BE EAST OF THE AREA BY 11 PM EST. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY. .SPOTTER INFORMATION STATEMENT... SKYWARN SPOTTERS ARE REQUESTED TO FORWARD ANY REPORTS OF LARGE HAIL...DAMAGING WINDS...TORNADOES OR FLASH FLOODING TO OUR OFFICE. GAZ018-026-028-029-SCZ004>014-019-122045- STEPHENS-FRANKLIN-HART-ELBERT-GREATER OCONEE-GREATER PICKENS- GREATER GREENVILLE-SPARTANBURG-CHEROKEE-YORK-ANDERSON-ABBEVILLE- LAURENS-UNION SC-CHESTER-GREENWOOD- 333 PM EST WED FEB 11 2009 ...WIND ADVISORY IN EFFECT UNTIL 6 AM EST THURSDAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA AND UPSTATE SOUTH CAROLINA. .DAY ONE...THIS AFTERNOON AND TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. WIND ADVISORY. VERY WINDY CONDITIONS ARE EXPECTED TO DEVELOP THIS AFTERNOON AND EVENING. A NARROW LINE OF SHOWERS AND THUNDERSTORMS WILL MOVE ACROSS THE MOUNTAINS AND REACH THE AREA DURING THE EVENING HOURS. THE LINE WILL NOT LOOK IMPRESSIVE ON RADAR...BUT IT WILL HAVE THE POTENTIAL TO PRODUCE LOCALLY DAMAGING WINDS AS IT ALLOWS THE ALREADY STRONG WINDS IN THE LOWER ATMOSPHERE TO MIX TO THE GROUND. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY. .SPOTTER INFORMATION STATEMENT... SKYWARN SPOTTERS ARE REQUESTED TO FORWARD ANY REPORTS OF LARGE HAIL...DAMAGING WINDS...TORNADOES OR FLASH FLOODING TO OUR OFFICE. NCZ048-051>053-058-059-062>065-507-509-122045- MADISON-SWAIN-HAYWOOD-BUNCOMBE-GRAHAM-NORTHERN JACKSON-MACON- SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON-RUTHERFORD MOUNTAINS- POLK MOUNTAINS- 333 PM EST WED FEB 11 2009 ...HIGH WIND WARNING IN EFFECT UNTIL 6 AM EST THURSDAY... ...FIRE WEATHER WATCH IN EFFECT FROM THURSDAY MORNING THROUGH THURSDAY AFTERNOON... THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN NORTH CAROLINA. .DAY ONE...THIS AFTERNOON AND TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. HIGH WIND WARNING. STRONG GRADIENT WINDS ARE EXPECTED TO DEVELOP OVER THE MOUNTAINS OF THE WESTERN CAROLINAS AND NORTHEAST GEORGIA THIS AFTERNOON AND TONIGHT. A NARROW LINE OF SHOWERS AND THUNDERSTORMS WILL MOVE ACROSS THE MOUNTAINS DURING THE LATE AFTERNOON HOURS. WHILE THE STORMS WILL NOT BE VERY IMPRESSIVE ON RADAR...THEY ARE LIKELY TO CONTAIN DAMAGING WINDS AS THEY ALLOW THE ALREADY STRONG WINDS IN THE LOWER ATMOSPHERE TO MIX TO THE GROUND. THE LINE WILL MOVE EAST OF THE AREA BY 11 PM EST BUT STRONG AND GUSTY WINDS WILL CONTINUE. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FIRE WEATHER WATCH. .SPOTTER INFORMATION STATEMENT... SKYWARN SPOTTERS ARE REQUESTED TO FORWARD ANY REPORTS OF LARGE HAIL...DAMAGING WINDS...TORNADOES OR FLASH FLOODING TO OUR OFFICE. NCZ033-049-050-501-503-505-122045- AVERY-YANCEY-MITCHELL-CALDWELL MOUNTAINS-BURKE MOUNTAINS- MCDOWELL MOUNTAINS- 333 PM EST WED FEB 11 2009 ...HIGH WIND WARNING IN EFFECT UNTIL 6 PM EST THURSDAY... ...FIRE WEATHER WATCH IN EFFECT FROM THURSDAY MORNING THROUGH THURSDAY AFTERNOON... THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN NORTH CAROLINA. .DAY ONE...THIS AFTERNOON AND TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. HIGH WIND WARNING. STRONG GRADIENT WINDS ARE EXPECTED TO DEVELOP OVER THE MOUNTAINS OF THE WESTERN CAROLINAS AND NORTHEAST GEORGIA THIS AFTERNOON AND TONIGHT. A NARROW LINE OF SHOWERS AND THUNDERSTORMS WILL MOVE ACROSS THE MOUNTAINS DURING THE LATE AFTERNOON HOURS. WHILE THE STORMS WILL NOT BE VERY IMPRESSIVE ON RADAR...THEY ARE LIKELY TO CONTAIN DAMAGING WINDS AS THEY ALLOW THE ALREADY STRONG WINDS IN THE LOWER ATMOSPHERE TO MIX TO THE GROUND. THE LINE WILL MOVE EAST OF TEH AREA BY 11 PM EST. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. HIGH WIND WARNING. FIRE WEATHER WATCH. .SPOTTER INFORMATION STATEMENT... SKYWARN SPOTTERS ARE REQUESTED TO FORWARD ANY REPORTS OF LARGE HAIL...DAMAGING WINDS...TORNADOES OR FLASH FLOODING TO OUR OFFICE. NCZ035>037-056-057-068>072-082-502-504-506-508-510-122045- ALEXANDER-IREDELL-DAVIE-CATAWBA-ROWAN-CLEVELAND-LINCOLN-GASTON- MECKLENBURG-CABARRUS-UNION NC-GREATER CALDWELL-GREATER BURKE- EASTERN MCDOWELL-GREATER RUTHERFORD-EASTERN POLK- 333 PM EST WED FEB 11 2009 ...WIND ADVISORY IN EFFECT UNTIL 6 AM EST THURSDAY... ...FIRE WEATHER WATCH IN EFFECT FROM THURSDAY MORNING THROUGH THURSDAY AFTERNOON... THIS HAZARDOUS WEATHER OUTLOOK IS FOR PIEDMONT NORTH CAROLINA AND WESTERN NORTH CAROLINA. .DAY ONE...THIS AFTERNOON AND TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. WIND ADVISORY. VERY WINDY CONDITIONS ARE EXPECTED TO DEVELOP THIS AFTERNOON AND EVENING. A NARROW LINE OF SHOWERS AND THUNDERSTORMS WILL MOVE ACROSS THE FOOTHILLS AND PIEDMONT DURING THE EARLY EVENING HOURS. THE LINE WILL NOT LOOK IMPRESSIVE ON RADAR...BUT IT WILL HAVE THE POTENTIAL TO PRODUCE LOCALLY DAMAGING WINDS AS IT ALLOWS THE ALREADY STRONG WINDS IN THE LOWER ATMOSPHERE TO MIX TO THE GROUND. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FIRE WEATHER WATCH. .SPOTTER INFORMATION STATEMENT... SKYWARN SPOTTERS ARE REQUESTED TO FORWARD ANY REPORTS OF LARGE HAIL...DAMAGING WINDS...TORNADOES OR FLASH FLOODING TO OUR OFFICE.
In the hours before
Local storm report, Feb 11, 5:33 PM EST, 1 hour 34 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
533 PM EST WED FEB 11 2009
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0515 PM TSTM WND DMG ROBBINSVILLE 35.32N 83.81W
02/11/2009 GRAHAM NC COUNTY OFFICIAL
2 TREES REPORTED DOWN BY DOT ON TALLULAH AND OLD TALLULAH
ROADS IN ROBBINSVILLE.
&&
JPTLocal storm report, Feb 11, 6:11 PM EST, 56 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
611 PM EST WED FEB 11 2009
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0540 PM TSTM WND GST 3 NW SYLVA 35.41N 83.26W
02/11/2009 E60 MPH JACKSON NC TRAINED SPOTTER
ESTIMATED WIND GUST TO 60 MPH WITH PASSAGE OF SQUALL LINE
&&
LGABRICLocal storm report, Feb 11, 6:34 PM EST, 33 minutes before
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</html>Local storm report, Feb 11, 6:40 PM EST, 27 minutes before
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</html>Special weather statement, Feb 11, 6:48 PM EST, 19 minutes before
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</html>Local storm report, Feb 11, 6:57 PM EST, 10 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 |
|---|---|---|---|---|
| Feb 11, 7:42 PM EST | Severe Thunderstorm Warning | GSP | Cleveland, Gaston, Lincoln, Rutherford | 63 min |
| Feb 11, 8:33 PM EST | Severe Thunderstorm Warning | GSP | Cabarrus, Mecklenburg, Union | 57 min |
| Feb 11, 10:21 PM EST | Lake Wind Advisory | GSP | Alexander, Burke, Cabarrus, Caldwell, Catawba, Cleveland and 10 more | 2 hr |
| Feb 12, 3:09 AM EST | Wind Advisory | GSP | Alexander, Buncombe, Burke, Caldwell, Graham, Haywood and 9 more | 9 hr |
| Feb 12, 6:00 AM EST | Red Flag Warning | GSP | Alexander, Burke, Cabarrus, Caldwell, Catawba, Cleveland and 10 more | 15 hr |
| Feb 12, 5:55 PM EST | Wind Advisory | GSP | Avery, Burke, Caldwell, McDowell, Mitchell, Yancey | 12 hr |
| Feb 11, 7:28 PM EST | Severe Thunderstorm Warning | GSP | Cherokee, Chester, Laurens, Spartanburg, Union, York | 47 min |
| Feb 11, 8:15 PM EST | Severe Thunderstorm Warning | GSP | Cherokee, Chester, Union, York | 35 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.