Alert archive / South Carolina / Severe Thunderstorm Warnings in 2010
Severe Thunderstorm Warning 9, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Mar 28, 2010, 6:16 PM EDT for Anderson County, Greenville County, Pickens County, South Carolina. It was in force for 59 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
- Mar 28, 2010, 6:16 PM EDT (22:16 UTC)
- Expired
- Mar 28, 2010, 7:15 PM EDT
- In force
- 59 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 22:17 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 |
|---|---|---|---|
| Mar 28, 3:47 PM EDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 10.3 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
- 30 J/kg
- Mixed-layer CIN
- -57 J/kg
- Mixed-layer LCL
- 478 m above ground
- 0-6 km bulk shear
- 71 kt
- 0-1 km storm-relative helicity
- 535 m²/s²
- 0-3 km storm-relative helicity
- 588 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 Mar 28, 2:26 PM EDT, 3 hours 50 minutes earlier.
Area forecast discussion, Mar 28, 2:26 PM EDT, 3 hours 50 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 226 PM EDT SUN MAR 28 2010 .SYNOPSIS... A COLD FRONT WILL MOVE ACROSS THE SOUTHEAST FROM THE TENNESSEE VALLEY TODAY...AS LOW PRESSURE MOVES ACROSS THE OHIO VALLEY. THE COLD FRONT ALONG WITH THE ASSOCIATED LOW WILL REACH THE CAROLINA COAST EARLY MONDAY AND THEN MOVE NORTH. DRY HIGH PRESSURE WILL THEN...BUILD INTO THE REGION AND REMAIN OVER THE AREA THOUGH THE REMAINDER OF THE WEEK. && .NEAR TERM /THROUGH MONDAY/... SHOWERS CONTINUE TO DEVELOP AND MOVE NE ACROSS THE REGION AS A STRONG SHORTWAVE APPROACHES FROM THE W. MODELS CONT TO SHOW CAPE OF 400-600 J/KG MOVG IN FROM THE S THIS AFTN WITH PVA...Q FORCING... WIND SHEAR AND UPPER LEVEL DIVERGENCE ALL COMING TOGETHER OVER THE AREA. SATELLITE LOOPS ARE SHOWING SOME BREAKS IN THE CLOUDS MOVG IN FROM THE SW SO IF AREA DESTABILIZES ENOUGH EXPECT AT LEAST A FEW SEVERE STORMS TO DEVELOP. SPC HAS GA AND THE CAROLINAS IN AN AREA OF SLIGHT RISK FOR SEVERE STORMS...MAINLY THIS AFTN-EVE. ANY STRONG CONVECTION THAT DOES DEVELOP SHOULD TAPER OFF FROM THE W LATE THIS EVE WITH COOLING BUT SHWRS WILL LINGER OVERNIGHT...ESPECIALLY OVER THE MTNS AND E CWA. MIN TEMPS WILL BE MILD TONIGHT DUE TO THE CLOUD COVER. UPPER LOW MOVES OVER AREA DURING THE DAY MON AND ENOUGH FORCING AND LL MOISTURE IS EXPECTED FOR CHC SHWRS THRU THE DAY...ESP OVER THE MTNS AND E ZONES. HI TEMPS WILL BE BELOW AVG. && .SHORT TERM /MONDAY NIGHT THROUGH WEDNESDAY/... AS OF 2 PM EDT SUNDAY...AN UPPER LEVEL LOW OVER NC MONDAY EVENING WILL OFF THE MID ATLANTIC COAST ON TUESDAY. AN UPPER RIDGE WILL CROSS THE MS RIVER ON TUESDAY NIGHT...AND REACH THE TN AND OH RIVER VALLEYS ON WEDNESDAY. WEAK MOIST NORTHWEST FLOW WILL PERSIST MONDAY NIGHT AND SUPPORT SCATTERED SHOWERS IN UPSLOPE FLOW ALONG THE TN BORDER. FREEZING LEVELS DROP BELOW THE HIGHER PEAKS OF THE NC MOUNTAINS BY DAWN TUESDAY...BUT WITH THE TOP OF THE MOIST LAYER NOT VERY COLD...ICE NUCLEATION IS NOT A SURE THING. DRYING OCCURS LATE TUESDAY MORNING. ON TUESDAY THE PRESSURE GRADIENT GRADUALLY RELAXES. SURFACE RIDGING BUILDS IN FORM THE SOUTHWEST ON TUESDAY NIGHT AND WEDNESDAY. MINIMUM TEMPERATURES WILL TREND DOWNWARD FROM NEAR NORMAL...AND MAXIMUM TEMPERATURES UPWARD FROM NEAR NORMAL...AS DRIER AIR ALLOWS FOR A GREATER DIURNAL RANGE. && .LONG TERM /WEDNESDAY NIGHT THROUGH SUNDAY/... AS PM 2 PM EDT SUNDAY...THE SLOWER SOLUTION OF THE ECMWF WAS PREFERRED BY HPC OVER THE FASTER GFS. A SLOWLY PROGRESSIVE UPPER RIDGE WILL AMPLIFY OVER THE EASTERN USA FROM THURSDAY THROUGH SUNDAY...SUPPORTING WARM AND DRY CONDITIONS. TEMPERATURES WILL RISE TO 10 DEGREES OR MORE ABOVE NORMAL BY THE WEEKEND. && .AVIATION /19Z SUNDAY THROUGH FRIDAY/... AT KCLT AND ELSEWHERE...THERE COULD BE BREAKS WHERE CIGS GO VFR BUT EXPECT PREDOMINANT MVFR/IFR CIGS WITH OCNL IFR VSBY...ESP IN HEAVY SHWRS. CB CLOUDS INCLUDED IN TAFS TO ACCOUNT FOR SCT TSTMS AND SOME STORMS COULD BE SVR...MAINLY LATE AFTN-EARLY EVE. SE TO S WINDS WILL BE GUSTY AT TIMES...ESP NEAR CONVECTION. GUIDANCE STILL AT ODDS ON WHETHER TO LIFT CIGS OVERNIGHT WITH GFS MOST PESSIMISTIC. THERE IS A LOT OF CONFLICTING GUIDANCE WITH NAM MOST QUESTIONABLE...SO LEANING TOWARD GFS/SREF BLEND. EXPECT IMPORVEMENT TO AT LEAST MVFR MON MRNG. OUTLOOK...EXPECT CONDITIONS TO IMPROVE TO VFR BY LATE MON AND CONTINUE VFR TUE-FRI AS HIGH PRESSURE BUILDS OVER THE REGION. && .GSP WATCHES/WARNINGS/ADVISORIES... GA...NONE. NC...NONE. SC...NONE. && SYNOPSIS...PAT NEAR TERM...RB SHORT TERM...JAT LONG TERM...JAT AVIATION...RB
Hazardous weather outlook, Mar 28, 6:43 AM EDT, 11 hours 33 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 643 AM EDT SUN MAR 28 2010 GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065- 068>072-082-501>510-SCZ001>014-019-291045- 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- 643 AM EDT SUN MAR 28 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA...PIEDMONT NORTH CAROLINA...WESTERN NORTH CAROLINA AND UPSTATE SOUTH CAROLINA. .DAY ONE...TODAY AND TONIGHT. A COLD FRONT AND AN ASSOCIATED AREA OF SHOWERS AND THUNDERSTORMS WILL MOVE ACROSS THE TENNESSEE VALLEY THIS MORNING. BY THE TIME THE FRONT MOVES INTO THE SOUTHERN APPALACHIANS AND SURROUNDING AREAS THIS AFTERNOON...THE ATMOSPHERE WILL BE WEAKLY UNSTABLE ACROSS THE REGION. THIS WILL COMBINE WITH VERY STRONG WINDS ALOFT TO ALLOW THE LINE OF SHOWERS AND THUNDERSTORMS TO INTENSIFY AS IT MOVES EAST ACROSS THE WESTERN CAROLINAS AND NORTHEAST GEORGIA DURING THE AFTERNOON AND EVENING. IT APPEARS LIKELY THAT ISOLATED STORMS EMBEDDED WITHIN THE LINE COULD PRODUCE SEVERE WEATHER... WITH LARGE HAIL AND DAMAGING WINDS BEING THE MAIN THREAT. HOWEVER...THERE WILL ALSO BE A THREAT OF ISOLATED TORNADOES... ESPECIALLY WITH ANY SCATTERED THUNDERSTORMS THAT DEVELOP OUT AHEAD OF THE MAIN LINE OF SHOWERS AND STORMS. ALTHOUGH SEVERE WEATHER WILL BE POSSIBLE ANYWHERE ACROSS THE AREA...THE MOST LIKELY LOCATIONS TO SEE LARGE HAIL...DAMAGING WINDS...AND TORNADOES THIS AFTERNOON AND EVENING WILL BE ACROSS UPSTATE SOUTH CAROLINA AND NORTHEAST GEORGIA. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY. 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. LANE
In the hours before
Local storm report, Mar 28, 5:49 PM EDT, 27 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
549 PM EDT SUN MAR 28 2010
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0540 PM TORNADO 8 W CHARLOTTE 35.20N 80.98W
03/28/2010 MECKLENBURG NC TRAINED SPOTTER
SPOTTER REPORTED TORNADO WITH DEBRIS IN THE AIR NEAR
CATAWBA RIVER AND WILKENSON BLVD.
&&
ASTUREYSpecial weather statement, Mar 28, 5:56 PM EDT, 20 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 556 PM EDT SUN MAR 28 2010 NCZ510-SCZ003-007-282300- EASTERN POLK-GREENVILLE MOUNTAINS-SPARTANBURG- 556 PM EDT SUN MAR 28 2010 ...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN GREENVILLE... NORTHWESTERN SPARTANBURG AND POLK COUNTIES THROUGH 700 PM EDT... AT 549 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM NEAR TIGERVILLE...OR 15 MILES NORTH OF DOWNTOWN GREENVILLE...MOVING NORTHEAST AT 35 MPH. * OTHER LOCATIONS AFFECTED INCLUDE BUT ARE NOT LIMITED TO TRYON... MILL SPRING...LAKE ADGER...COLUMBUS...TIGERVILLE...GOWENSVILLE... LANDRUM AND CAMPOBELLO. DIME SIZE HAIL...AND WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THIS STORM. MCAVOY
Local storm report, Mar 28, 5:57 PM EDT, 19 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
557 PM EDT SUN MAR 28 2010
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0548 PM HAIL 5 SW TIGERVILLE 35.02N 82.43W
03/28/2010 E0.88 INCH GREENVILLE SC NWS EMPLOYEE
WEATHER SERVICE EMPLOYEE REPORTS HAIL FROM DIME SIZED TO
NICKEL SIZED PARTIALLLY COVERING THE GROUND. NOT MUCH
WIND.
&&
OUTLAWLocal storm report, Mar 28, 6:03 PM EDT, 13 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
603 PM EDT SUN MAR 28 2010
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0548 PM HAIL 11 NW CHARLOTTE 35.31N 80.97W
03/28/2010 E0.25 INCH MECKLENBURG NC BROADCAST MEDIA
PEA TO MARBLE SIZE HAIL REPORTED NEAR MT ISLAND LAKE.
&&
ASTUREYLocal storm report, Mar 28, 6:04 PM EDT, 12 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
604 PM EDT SUN MAR 28 2010
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0543 PM TORNADO 8 WNW CHARLOTTE 35.24N 80.97W
03/28/2010 MECKLENBURG NC COUNTY OFFICIAL
DAMAGE FROM THE TORNADO CONTINUED NORTHEAST OVER FAR
WESTERN MECKLENBURG COUNTY WITH SHEDS WRAPPED AROUND
POWER POLES...A ROOF OFF A BUILDING AND POWER LINES DOWN.
&&
OUTLAWSpecial weather statement, Mar 28, 6:12 PM EDT, 4 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 612 PM EDT SUN MAR 28 2010 SCZ002-003-005-006-010-282315- ANDERSON-GREATER GREENVILLE-GREATER PICKENS-GREENVILLE MOUNTAINS-PICKENS MOUNTAINS- 612 PM EDT SUN MAR 28 2010 ...STRONG THUNDERSTORMS WILL AFFECT CENTRAL GREENVILLE...EASTERN PICKENS AND NORTHERN ANDERSON COUNTIES THROUGH 715 PM EDT... AT 608 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 4 MILES SOUTHEAST OF ROCKY BOTTOM TO PENDLETON...MOVING EAST AT 40 MPH. THESE STORMS WILL BE NEAR... EASLEY... MARIETTA... FURMAN UNIVERSITY... TIGERVILLE... DOWNTOWN GREENVILLE... PELHAM ROAD AT I-85... DIME SIZE HAIL...AND WIND GUSTS OF 40 TO 50 MPH ARE EXPECTED WITH THESE STORMS. MCAVOY
The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 28, 4:17 PM EDT | Severe Thunderstorm Warning | GSP | Cabarrus, Davie, Iredell, Mecklenburg, Rowan | 48 min |
| Mar 28, 5:29 PM EDT | Severe Thunderstorm Warning | GSP | Cabarrus, Davie, Rowan | 61 min |
| Mar 28, 5:42 PM EDT | Tornado Warning | GSP | Cabarrus, Gaston, Iredell, Mecklenburg, Rowan | 48 min |
| Mar 28, 5:48 PM EDT | Tornado Warning | GSP | Rowan | 27 min |
| Mar 28, 6:07 PM EDT | Severe Thunderstorm Warning | GSP | Polk, Rutherford | 53 min |
| Mar 28, 6:30 PM EDT | Tornado Warning | GSP | Rowan | 30 min |
| Mar 28, 6:47 PM EDT | Severe Thunderstorm Warning | GSP | Catawba, Cleveland, Gaston, Iredell, Lincoln, Mecklenburg | 58 min |
| Mar 28, 7:06 PM EDT | Severe Thunderstorm Warning | GSP | Cleveland, Rutherford | 54 min |
| Mar 28, 7:25 PM EDT | Tornado Warning | GSP | Cleveland, Rutherford | 35 min |
| Mar 28, 7:52 PM EDT | Tornado Warning | GSP | Catawba, Gaston, Lincoln, Mecklenburg | 38 min |
| Mar 28, 7:56 PM EDT | Severe Thunderstorm Warning | GSP | Davie, Iredell, Rowan | 49 min |
| Mar 28, 6:41 PM EDT | Severe Thunderstorm Warning | GSP | Greenville, Spartanburg | 64 min |
| Mar 28, 7:15 PM EDT | Severe Thunderstorm Warning | GSP | Cherokee, Spartanburg, York | 60 min |
| Mar 28, 7:19 PM EDT | Tornado Warning | GSP | Cherokee, Spartanburg, York | 41 min |
| Mar 28, 7:25 PM EDT | Severe Thunderstorm Warning | GSP | Greenville, Laurens, Spartanburg | 65 min |
| Mar 28, 7:55 PM EDT | Severe Thunderstorm Warning | GSP | Abbeville, Greenwood | 53 min |
Nearby
Severe 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.