Alert archive / North Carolina / Severe Thunderstorm Warnings in 2010
Severe Thunderstorm Warning 27, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Apr 8, 2010, 6:13 PM EDT for 5 counties in North Carolina; Cherokee County, Spartanburg County, South Carolina. It was in force for 62 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, 6:13 PM EDT (22:13 UTC)
- Expired
- Apr 8, 2010, 7:15 PM EDT
- In force
- 62 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Storm-based polygon
Counties Burke County, NC, Catawba County, NC, Cleveland County, NC, Lincoln County, NC, Rutherford County, NC, Cherokee County, SC, Spartanburg County, SC
The radar
The Greer radar (KGSP), 78 km from the middle of the area, began a volume at 22:12 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
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 10.2 hours before the alert went out and 173 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
- -59 J/kg
- Mixed-layer LCL
- 1006 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 97 m²/s²
- 0-3 km storm-relative helicity
- 72 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, 5:55 PM EDT, 18 minutes earlier.
Area forecast discussion, Apr 8, 5:55 PM EDT, 18 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
555 PM EDT THU APR 8 2010
.SYNOPSIS...
A COLD FRONT WILL CROSS THE REGION TODAY REACHING THE COAST LATE THIS
EVENING. COOL HIGH PRESSURE WILL BUILD BACK IN BEHIND THE FRONT ON
FRIDAY AND BRING FAIR WEATHER TO THE SOUTHEAST STATES FOR THE NEXT
SEVERAL DAYS.
&&
.NEAR TERM /THROUGH FRIDAY/...
WILL STEADILY CANCEL THE TOR WATCH FROM THE WEST THROUGH THE EARLY
EVENING HOURS AS THE SEVERE THREAT ABRUPTLY ENDS WITH THE LINE
PASSAGE. STEPHENS AND FRANKLIN IN NE GA AND OCONEE IN UPSTATE SC ARE
CLEARED WITH THIS UPDATE. TOR THREAT WILL REMAIN IN PLACE THROUGH AT
LEAST MID EVENING ACROSS THE REMAINDER OF THE WATCH AREA...WITH SRN
SPARTANBURG THROUGH NRN GREENWOOD THE MAIN FOCUS FOR INSTABILITY AND
LOW LEVEL WIND SHEAR.
OTHERWISE...THE COLD FRONT MOVING ACROSS THE REGION WILL EXIT EAST
OF THE AREA BY 03Z THIS EVENING. ALL GUIDANCE POINTS TO CLEARING
CONDITIONS OUTSIDE OF THE MOUNTAINS BY AROUND 06Z OR SO. SOME LEFT
OVER MOISTURE COMBINED WITH UPSLOPE FLOW WILL MAINTAIN CLOUDS IN THE
MOUNTAINS AND MAYBE SOME LINGERING LIGHT SHOWERS. HOWEVER...MODELS
LESS BULLISH ON MEASURABLE UPSLOPE QPF SO HAVE REDUCED POPS FOR LATE
TONIGHT. COULD SEE A FEW FLURRIES ABOVE 4000KFT BEFORE PATCHY PRECIP
ENDS LATE TONIGHT. HIGH PRESSURE WILL BUILD EASTWARD ON FRI AND
ALONG WITH DOWNSLOPE WINDS WILL PRODUCE CLEAR CONDITIONS AND MAX
TEMPS JUST SHY OF CLIMO. USED A MOS BLEND FOR MIN TEMPS WHICH
YIELDED LOWS IN THE MID TO UPPER 30S IN THE MOUNTAINS. WHERE SKIES
CLEAR LATE TONIGHT...CAN NOT RULE OUT SOME PATCHY FROST IN SHELTERED
AREAS.
&&
.SHORT TERM /FRIDAY NIGHT THROUGH SUNDAY/...
AS OF 215 PM THURSDAY...DEEP LAYERED DRYING LINGERS ATOP THE REGION
FRIDAY NIGHT AS SFC RIDGING BUILDS IN RESULTING IN EXCELLENT
RADIATIONAL COOLING CONDS. THERE IS THE POSSIBILITY OF A LIGHT
FREEZING ACRS THE NC MTNS EARLY SATURDAY MORNING AND SOME FROST
DEVELOPMENT ELSEWHERE. SFC RIDGE AXIS TRANSLATES TO THE COAST
SATURDAY AND THE WARM-UP CONTINUES AS MAX TEMPS ARE PROGGED TO
CLIMB TO OR JUST SLIGHTLY ABOVE CLIMO. TRANQUIL WX CONDS CONTINUE
THROUGH SUNDAY UNDER QUASI-ZONAL FLOW ALOFT AND MAXES WARMING TO
A CATEGORY OR TWO ABOVE NORMAL.
&&
.LONG TERM /SUNDAY NIGHT THROUGH THURSDAY/...
AS OF 230 PM THURSDAY...SUBTLE BACKDOOR COLD FRONT PROGGED BY HPC TO
DROP SWWD ACRS THE FA MONDAY/MONDAY NIGHT...ACCOMPANIED BY LITTLE IF
ANY SENSIBLE WX/AIRMASS CHANGE. THEN FOR TUESDAY THRU THURSDAY...
CONTINUED QUIET AND MILD WX ON TAP AS UPPER RIDGING AMPLIFIES AND
BUILDS INTO THE EASTERN CONUS BY THE END OF THE PERIOD.
&&
.AVIATION /22Z THURSDAY THROUGH TUESDAY/...
AT KCLT...BRIEF THUNDERSTORM AT AROUND 1730Z MOVED QUICKLY ACROSS
THE AIR FIELD. HOWEVER...EXPECT ANOTHER MORE EXTENSIVE AREA OF
SHOWERS/THUNDERSTORMS TO MOVE ACROSS THE AIR FIELD IN THE 20-24Z
TIME FRAME. CIGS COULD GO BELOW 2000KFT AND VSBY BLO 3SM FOR A SHORT
PERIOD OF TIME WITH WINDS GUSTING TO AROUND 30KT. THE SHOWERS/STORMS
WILL END AS FRONT MOVES EAST OF AIRFIELD AROUND 01Z WITH WINDS
VEERING FROM SW TO NW. EXPECT CLEARING BY 07Z.
ELSEWHERE...AN AREA OF SHOWERS/THUNDERSTORMS WILL MOVE FROM W TO E
ACROSS THE WESTERN CAROLINAS. EXPECT A 2-3 HOUR PERIOD OF MVFR
CIGS/VSBY AS THIS AREAS MOVES THROUGH. COLD FRONT WILL MVOE E OF THE
AREA BY 00Z WITH WINDS VEERING FROM SW TO NW. CLEARING SKIES BY
06Z.
OUTLOOK...VFR CONDITIONS ARE EXPECTED FOR SEVERAL DAYS BEHIND THE
COLD FRONT.
&&
.GSP WATCHES/WARNINGS/ADVISORIES...
GA...NONE.
NC...FREEZE WATCH FROM LATE FRIDAY NIGHT THROUGH SATURDAY MORNING
FOR NCZ033-048>053-058-059-062>065-501-503-505.
SC...NONE.
&&
SYNOPSIS...PAT
NEAR TERM...HG/LG
SHORT TERM...CSH
LONG TERM...CSH
AVIATION...LGHazardous weather outlook, Apr 8, 5:54 PM EDT, 19 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 554 PM EDT THU APR 8 2010 GAZ018-026-NCZ035>037-056-057-068-069-502-504-506-508-510-SCZ001-004- 092200- STEPHENS-FRANKLIN-ALEXANDER-IREDELL-DAVIE-CATAWBA-ROWAN-CLEVELAND- LINCOLN-GREATER CALDWELL-GREATER BURKE-EASTERN MCDOWELL- GREATER RUTHERFORD-EASTERN POLK-OCONEE MOUNTAINS-GREATER OCONEE- 554 PM EDT THU APR 8 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA...PIEDMONT NORTH CAROLINA...WESTERN NORTH CAROLINA AND UPSTATE SOUTH CAROLINA. .DAY ONE...TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. RELATIVE HUMIDITY VALUES WILL FALL TO BETWEEN 20 AND 25 PERCENT FRIDAY AND SATURDAY AFTERNOONS. DEPENDING UPON HOW MUCH RAIN FALLS TODAY...HEIGHTENED FIRE DANGER IS POSSIBLE EACH DAY. AREAS OF FROST MAY ALSO BEEN SEEN EARLY SATURDAY AND SUNDAY MORNINGS. .SPOTTER INFORMATION STATEMENT... NONE. GAZ028-029-NCZ070>072-082-SCZ002-003-005>014-019-092200- HART-ELBERT-GASTON-MECKLENBURG-CABARRUS-UNION NC-PICKENS MOUNTAINS- GREENVILLE MOUNTAINS-GREATER PICKENS-GREATER GREENVILLE-SPARTANBURG- CHEROKEE-YORK-ANDERSON-ABBEVILLE-LAURENS-UNION SC-CHESTER-GREENWOOD- 554 PM EDT THU APR 8 2010 ...TORNADO WATCH 66 IN EFFECT UNTIL 11 PM EDT THIS EVENING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA...PIEDMONT NORTH CAROLINA AND UPSTATE SOUTH CAROLINA. .DAY ONE...TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. TORNADO WATCH. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. RELATIVE HUMIDITY VALUES WILL FALL TO BETWEEN 20 AND 25 PERCENT FRIDAY AND SATURDAY AFTERNOONS. DEPENDING UPON HOW MUCH RAIN FALLS TODAY...HEIGHTENED FIRE DANGER IS POSSIBLE EACH DAY. AREAS OF FROST MAY ALSO BEEN SEEN EARLY SATURDAY AND SUNDAY MORNINGS. .SPOTTER INFORMATION STATEMENT... SKYWARN SPOTTERS ARE REQUESTED TO FORWARD ANY REPORTS OF LARGE HAIL...DAMAGING WINDS...TORNADOES OR FLASH FLOODING TO OUR OFFICE. NCZ033-048>053-058-059-062>065-501-503-505-092200- AVERY-MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD-BUNCOMBE-GRAHAM- NORTHERN JACKSON-MACON-SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON- CALDWELL MOUNTAINS-BURKE MOUNTAINS-MCDOWELL MOUNTAINS- 554 PM EDT THU APR 8 2010 ...FREEZE WATCH IN EFFECT FROM LATE FRIDAY NIGHT THROUGH SATURDAY MORNING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN NORTH CAROLINA. .DAY ONE...TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FREEZE WATCH. RELATIVE HUMIDITY VALUES WILL FALL TO BETWEEN 20 AND 25 PERCENT OVER PARTS OF THE WESTERN CAROLINAS AND NORTHEAST GEORGIA BOTH FRIDAY AND SATURDAY AFTERNOONS. DEPENDING UPON HOW MUCH RAIN FALLS TODAY...HEIGHTENED FIRE DANGER IS POSSIBLE EACH DAY. .SPOTTER INFORMATION STATEMENT... NONE. GAZ010-017-NCZ507-509-092200- RABUN-HABERSHAM-RUTHERFORD MOUNTAINS-POLK MOUNTAINS- 554 PM EDT THU APR 8 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA AND WESTERN NORTH CAROLINA. .DAY ONE...TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. RELATIVE HUMIDITY VALUES WILL FALL TO BETWEEN 20 AND 25 PERCENT FRIDAY AND SATURDAY AFTERNOONS. DEPENDING UPON HOW MUCH RAIN FALLS TODAY...HEIGHTENED FIRE DANGER IS POSSIBLE EACH DAY. AREAS OF FROST MAY ALSO BEEN SEEN EARLY SATURDAY AND SUNDAY MORNINGS. .SPOTTER INFORMATION STATEMENT... NONE.
In the hours before
Local storm report, Apr 8, 5:36 PM EDT, 37 minutes before
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</html>Special weather statement, Apr 8, 5:44 PM EDT, 29 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 544 PM EDT THU APR 8 2010 NCZ508-510-SCZ003-007-082215- EASTERN POLK-GREATER RUTHERFORD-GREENVILLE MOUNTAINS-SPARTANBURG- 544 PM EDT THU APR 8 2010 ...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN GREENVILLE... NORTHWESTERN SPARTANBURG...SOUTHEASTERN POLK AND SOUTHEASTERN RUTHERFORD COUNTIES THROUGH 615 PM EDT... AT 543 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM NEAR LAKE BOWEN...OR 12 MILES SOUTHEAST OF COLUMBUS...MOVING NORTHEAST AT 45 MPH. THIS STORM WILL BE NEAR... FOREST CITY... ELLENBORO... PEA SIZE HAIL...AND WIND GUSTS OF 30 TO 40 MPH ARE EXPECTED WITH THIS STORM. 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
Local storm report, Apr 8, 5:45 PM EDT, 28 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
545 PM EDT THU APR 08 2010
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0518 PM TSTM WND DMG 5 W ANDERSON 34.52N 82.73W
04/08/2010 ANDERSON SC LAW ENFORCEMENT
TREES BLOWN DOWN ALONG HIGHWAY 187 NEAR LAKE HARTWELL.
&&
LGLocal storm report, Apr 8, 5:49 PM EDT, 24 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
549 PM EDT THU APR 08 2010
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0529 PM TSTM WND DMG 4 N ANDERSON 34.58N 82.65W
04/08/2010 ANDERSON SC LAW ENFORCEMENT
TREES DOWN NEAR I-85 NORTH OF ANDERSON
&&
LGSpecial weather statement, Apr 8, 6:00 PM EDT, 13 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 600 PM EDT THU APR 8 2010 NCZ068-069-508-SCZ007-082300- CLEVELAND-GREATER RUTHERFORD-LINCOLN-SPARTANBURG- 600 PM EDT THU APR 8 2010 ...STRONG THUNDERSTORMS WILL AFFECT EASTERN RUTHERFORD...NORTHERN SPARTANBURG...WESTERN CLEVELAND AND WESTERN LINCOLN COUNTIES THROUGH 700 PM EDT... AT 556 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 3 MILES NORTH OF BOILING SPRINGS NC TO 5 MILES NORTHWEST OF CHESNEE...MOVING NORTHEAST AT 40 MPH. THESE STORMS WILL BE NEAR... SPINDALE... BOSTIC... POLKVILLE... CASAR... PEA SIZE HAIL...AND WIND GUSTS OF 30 TO 40 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
Special weather statement, Apr 8, 6:01 PM EDT, 12 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 601 PM EDT THU APR 8 2010 SCZ006-007-012-082300- GREATER GREENVILLE-LAURENS-SPARTANBURG- 601 PM EDT THU APR 8 2010 ...A STRONG THUNDERSTORM WILL AFFECT NORTHWESTERN LAURENS...SOUTHERN GREENVILLE AND WESTERN SPARTANBURG COUNTIES THROUGH 700 PM EDT... AT 600 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM NEAR WHITE HORSE ROAD AT I-85...OR 3 MILES SOUTHWEST OF DOWNTOWN GREENVILLE...MOVING NORTHEAST AT 40 MPH. PEOPLE IN NORTHWESTERN LAURENS...SOUTHERN GREENVILLE AND WESTERN SPARTANBURG COUNTIES...INCLUDING THE FOLLOWING LOCATIONS... WHITE HORSE ROAD AT I-85...DOWNTOWN GREENVILLE...CHERRYDALE POINT... HAYWOOD MALL...SHOPS AT GREENRIDGE...TAYLORS...PELHAM ROAD AT I-85... GSP AIRPORT...GREER AND DUNCAN... SHOULD MONITOR THE WEATHER SITUATION CLOSELY. LISTEN FOR POSSIBLE WARNINGS AND BE PREPARED TO TAKE APPROPRIATE ACTION SHOULD SEVERE WEATHER THREATEN. SMALL HAIL...AND WIND GUSTS OF 40 TO 50 MPH ARE EXPECTED WITH THIS STORM. MOORE
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, 6:17 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, 4:40 PM EDT | Severe Thunderstorm Warning | GSP | Anderson, Oconee, Pickens | 65 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 North Carolina, 2010Severe Thunderstorm Warnings in South Carolina, 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.