Alert archive / North Carolina / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 140, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at May 11, 2011, 1:22 AM EDT for Union County, North Carolina. It was in force for 53 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- May 11, 2011, 1:22 AM EDT (05:22 UTC)
- Expired
- May 11, 2011, 2:15 AM EDT
- In force
- 53 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Storm-based polygon
County Union County, NC
The radar
The Columbia radar (KCAE), 129 km from the middle of the area, began a volume at 05:23 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 11, 2:07 AM EDT | TSTM WND DMG | 11 S Monroe, NC | AT LEAST TWO TREES DOWN ALONG HIGHWAY 207 AT THE STATE LINE. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
Did it verify
Verified. The Iowa Environmental Mesonet's Cow matched one storm report to this severe thunderstorm warning; the first came 45 minutes after it went out.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 5.4 hours before the alert went out and 133 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
- 694 J/kg
- Mixed-layer CIN
- -146 J/kg
- Mixed-layer LCL
- 1286 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 109 m²/s²
- 0-3 km storm-relative helicity
- 420 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 11.6
The text
As transmitted, in the capitals the NWS used until 2016.
364
WUUS52 KGSP 110522
SVRGSP
NCC179-110615-
/O.NEW.KGSP.SV.W.0140.110511T0522Z-110511T0615Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
122 AM EDT WED MAY 11 2011
THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
UNION COUNTY IN THE PIEDMONT OF NORTH CAROLINA...
* UNTIL 215 AM EDT
* AT 118 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS. THESE STORMS WERE LOCATED ALONG A
LINE EXTENDING FROM 3 MILES WEST OF NEW SALEM TO 3 MILES NORTHWEST
OF MINERAL SPRINGS TO 28 MILES SOUTH OF WAXHAW...OR ALONG A LINE
EXTENDING FROM 11 MILES NORTHEAST OF MONROE TO 9 MILES WEST OF
MONROE TO 14 MILES SOUTH OF LANCASTER...MOVING EAST AT 30 MPH.
* LOCATIONS IMPACTED INCLUDE...
NEW SALEM AND MINERAL SPRINGS...
MONROE...
TRINITY...
WINGATE...
MARSHVILLE...
STURDIVANTS...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PEOPLE IN THE PATH OF THIS LINE OF SEVERE THUNDERSTORMS SHOULD BE
ALERT FOR LARGE HAIL AND DAMAGING WINDS. FREQUENT LIGHTNING AND
LOCALLY HEAVY RAIN CAN OCCUR WITH ANY THUNDERSTORM. SEEK SHELTER
INDOORS AWAY FROM WINDOWS AND DOORS UNTIL THE STORM PASSES.
TO REPORT DAMAGING WINDS...LARGE HAIL...OR FLOODING...THROUGH OUR
AUTOMATED REPORTING SYSTEM...CALL OUR TOLL FREE NUMBER...
1 8 7 7...6 3 3...6 7 7 2.
&&
LAT...LON 3482 8031 3481 8032 3481 8079 3484 8081
3494 8079 3497 8082 3501 8082 3503 8077
3521 8055 3517 8046 3517 8039 3519 8037
3517 8035 3517 8028
TIME...MOT...LOC 0522Z 270DEG 27KT 3512 8039 3497 8067
3454 8082
$$
RWH1 follow-up statement
693
WWUS52 KGSP 110546
SVSGSP
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
146 AM EDT WED MAY 11 2011
NCC179-110615-
/O.CON.KGSP.SV.W.0140.000000T0000Z-110511T0615Z/
UNION NC-
146 AM EDT WED MAY 11 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 215 AM EDT
FOR UNION COUNTY IN THE PIEDMONT OF NORTH CAROLINA...
AT 145 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER
SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS
WERE LOCATED ALONG A LINE EXTENDING FROM NEW SALEM TO TRINITY...OR
ALONG A LINE EXTENDING FROM 12 MILES NORTHEAST OF MONROE TO 8 MILES
SOUTH OF MONROE TO 12 MILES SOUTH OF MONROE...MOVING EAST AT 30 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
MARSHVILLE AND STURDIVANTS
LAT...LON 3482 8031 3481 8032 3481 8079 3484 8081
3494 8079 3497 8082 3501 8082 3503 8077
3521 8055 3517 8046 3517 8039 3519 8037
3517 8035 3517 8028
TIME...MOT...LOC 0547Z 270DEG 27KT 3509 8036 3488 8051
3482 8050
$$
RWHWhat 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 May 10, 10:47 PM EDT, 2 hours 35 minutes earlier.
Area forecast discussion, May 10, 10:47 PM EDT, 2 hours 35 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 1047 PM EDT TUE MAY 10 2011 .SYNOPSIS... AN UPPER LEVEL RIDGE WILL CONTINUE TO STRENGTHEN ACROSS THE EASTERN HALF OF THE COUNTRY THROUGH WEDNESDAY. A WEAK BOUNDARY THROUGH WESTERN NORTH CAROLINA INTO SOUTH CAROLINA WILL GRADUALLY MOVE WESTWARD AND THEN DISSIPATE. A CLOSED UPPER LOW WILL SLOWLY APPROACH THE AREA FROM THE WEST THIS WEEKEND. && .NEAR TERM /THROUGH WEDNESDAY/... 0300 UTC UPDATE...A NEW SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR BOWING THUNDERSTORMS MOVING SOUTH TOWARD INTO THE NORTHERN NC MOUNTAINS. WEATHER GRIDS HAVE BEEN UPDATED TO MENTION DAMAGING WINDS AND LARGE HAIL IN THE WATCH AREA. PREVIOUS DISCUSSION...AN UPPER RIDGE AXIS EXTENDED FROM THE GULF COAST TO THE GREAT LAKES THIS EVENING. A LOW MOVING WARM FRONT WAS LOCATED FROM THE NORTHERN NC MOUNTAINS TO THE NORTHERN SC COAST. A FIRST ROUND OF CONVECTION HAS WEAKENED AND MOVED SOUTHEAST OF OUR AREA...BUT ADDITIONAL CONVECTION IN EASTERN KY IS MOVING THIS WAY WITH A SECOND AND MORE VIGOROUS UPPER LEVEL IMPULSE. ALTHOUGH INSTABILITY WILL BE DECREASING AS THE UPPER SYSTEM APPROACHES...BUT ENOUGH SURVIVES TO WARRANT LIKELY POPS IN THE NORTHERN PORTION OF THE AREA. IT REMAINS TO BE SEEN WHETHER A SECOND SEVERE THUNDERSTORM WATCH WILL BE ISSUED FOR THIS SECOND ROUND OF CONVECTION LATE THIS EVENING. MINIMUM TEMPERATURES WILL REMAIN RATHER MILD TONIGHT... AROUND 10 DEGREES ABOVE NORMAL. FOG IS SUPPORTED BY GUIDANCE ACROSS MUCH OF THE AREA BY DAYBREAK...MAINLY IN WESTERN NC AND THE SAVANNAH RIVER VALLEY. UPPER RIDGE AXIS OFF TO OUR WEST POKES A BIT FURTHER EASTWARD ON WEDNESDAY AND DIURNAL DESTABILIZATION EXPECTED TO BE AT LEAST MODERATE...ESPECIALLY WHERE TEMPERATURES WARM WELL INTO THE 80S ACRS THE SW HALF OF THE CWFA. ALTHOUGH EFFECTIVE BULK SHEAR WILL BE EXPECTEDLY LESS THAN WHAT WE ARE SEEING TODAY...ISOLATED...DIURNALLY ENHANCED SVR STORMS WILL BE PROBABLE. && .SHORT TERM /WEDNESDAY NIGHT THROUGH FRIDAY/... AS OF 120 PM TUESDAY...A HIGH AMPLITUDE RIDGE WILL BREAK DOWN DURING THIS SHORT TERM PERIOD OF THE FORECAST. SOME LEFT OVER CONVECTION CARRYING INTO WEDNESDAY EVENING WITH THE NW FLOW AND THEN A DECREASE THROUGH THURSDAY MORNING WITH THE RIDGE AXIS PASSING OVERHEAD. GREATEST INSTABILITY SHOULD BE OVER NE GA AND THE WESTERN UPSTATE WITH FAIRLY LIGHT WIND FIELDS. NOT A BIG CONCERN AS OF THIS TIME. HOWEVER...CONCERN PICKS UP AGAIN ON FRIDAY WITH LOW TO MID LEVEL WIND FIELDS INCREASING LATE IN THE DAY AS COLD FRONT APPROACHES FROM THE WEST. CAPE VALUES VARY DEPENDING OF THE MODEL BUT MAINLY 1000 TO 1500 IN THE GA TO CAROLINA PIEDMONT. EXPECT INCREASING COVERAGE OF SHOWERS AND STORMS LATE FRIDAY. HIGHS THURSDAY IN THE MID 80S UPPER SAVANNAH TO THE LOWER TO MID 70S NEAR THE TRIAD. HIGHS FRIDAY FROM LOWER 80S UPPER SAVANNAH TO UPPER 70S NW NC PIEDMONT. && .LONG TERM /FRIDAY NIGHT THROUGH TUESDAY/... AS OF 200 PM TUESDAY...NEW GUIDANCE CONTINUES TO SUPPORT AN UNSETTLED WEATHER PATTERN FOR THE WEEKEND INTO THE FIRST PORTION OF NEXT WEEK. BY EARLY IN THE WEEKEND...THE UPPER RIDGE WILL SHIFT EAST OF THE AREA AS A CLOSED UPPER LOW MOVES SOUTHEAST FROM THE MIDWEST INTO THE DEEP SOUTH BY MONDAY. LEANED HEAVILY ON HPC GUIDANCE WHICH UTILIZED THE ECM/ECM ENSEMBLE MEAN EARLY ON THEN THE ECM/GFS ENSEMBLE MEANS FOR THE LATE IN THE FORECAST PERIOD. WITH THE SOUTHERN APPALACHIANS AND WESTERN CAROLINAS COMING UNDER INCREASING UPPER DIVERGENCE DURING THE WEEKEND...THE LIKELY POPS SEEM REASONABLE...WITH DAILY SOLID COVERAGE A GOOD BET THROUGH MON. A GENERAL COOLING TREND IN TEMPERATURES IS ALSO EXPECTED DUE TO WIDESPREAD CLOUDS/PRECIP AND LOWERING HEIGHTS. && .AVIATION /03Z WEDNESDAY THROUGH SUNDAY/... AT KCLT...CONVECTION AND ASSOCIATED RESTRICTIONS ARE STILL POSSIBLE THIS EVENING AS UPPER SYSTEM INTERACTS WITH FRONT JUST NORTH OF THE AIR FIELD...BUT WITH NO IMMEDIATE TREAT UPSTREAM...ONLY CB WILL BE CARRIED IN THE TAF. GUIDANCE SHOWS WINDS TAKING ON A MORE NORTHEASTERLY DIRECTION OVERNIGHT. SOME GUIDANCE SUPPORT FOR FOG BY DAWN...BUT GUIDANCE HAS BEEN OVERLY AGGRESSIVE WITH FOG THE LAST FEW NIGHT...AND VFR WILL BE MAINTAINED IN TAF...AS WILL A LOW VFR CIG. CONVECTION WEDNESDAY AFTERNOON WILL BE TOO SCATTERED TO MENTION IN THE TAF. LIGHT WINDS VEER TO ESE IN THE AFTERNOON. ELSEWHERE...CONVECTIVE CHANCES WILL BE GREATEST FROM KAVL TO KGSP/KGMU THIS EVENING...WHERE BETTER INSTABILITY EXISTS IN PROXIMITY TO THE FRONT AND THE TRACK OF THE UPPER SYSTEM. WINDS ARE EXPECTED TO TAKE ON A NORTHEASTERLY DIRECTION OVERNIGHT. GUIDANCE SUPPORTS MVFR IN MUCH OF THE AREA AROUND DAWN...BUT RESTRICTIONS WILL BE RESERVED FOR THE MOST PRONE AREAS OF WESTERN NC AND KAND. TEMPORARY IFR VSBY WILL BE POSSIBLE AT KAVL. AFTERNOON CONVECTION ON WEDNESDAY WILL BE ISOLATED TO SCATTERED...WITH CONFIDENCE TOO LOW TO MENTION IN THE TAFS. LIGHT WINDS VEER TO SE IN THE AFTERNOON...BECOMING S AT KAVL. OUTLOOK...SCATTERED CEILING AND VISIBILITY RESTRICTIONS IN THUNDERSTORMS MOST NUMEROUS OVER MOUNTAINS AND DURING AFTERNOONS AND EVENINGS THROUGH END OF WEEK. MORNING MVFR FOG POSSIBLE WHERE RAIN FELL THE NIGHT BEFORE. && .GSP WATCHES/WARNINGS/ADVISORIES... GA...NONE. NC...NONE. SC...NONE. && SYNOPSIS...LG NEAR TERM...CSH/JAT SHORT TERM...DEO LONG TERM...LG AVIATION...JAT
Hazardous weather outlook, May 10, 3:41 PM EDT, 9 hours 41 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 341 PM EDT TUE MAY 10 2011 GAZ010-017-018-026-028-029-NCZ051-058-059-062>064-SCZ001-002-004-005- 010-011-019-110300- RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-SWAIN-GRAHAM- NORTHERN JACKSON-MACON-SOUTHERN JACKSON-TRANSYLVANIA- OCONEE MOUNTAINS-PICKENS MOUNTAINS-GREATER OCONEE-GREATER PICKENS- ANDERSON-ABBEVILLE-GREENWOOD- 341 PM EDT TUE MAY 10 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA...WESTERN NORTH CAROLINA AND UPSTATE SOUTH CAROLINA. .DAY ONE...THIS AFTERNOON AND TONIGHT. UPPER LEVEL ENERGY WILL MOVE ACROSS THE REGION INTO TONIGHT...AIDING IN THUNDERSTORM DEVELOPMENT AND ORGANIZATION. SOME OF THESE STORMS WILL HAVE THE POTENTIAL TO BECOME SEVERE...PRODUCING LARGE HAIL... DAMAGING WIND GUSTS AND POSSIBLY EVEN A TORNADO. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. 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. NCZ033-035>037-048>050-052-053-056-057-065-068>072-082-501>510- SCZ003-006>009-012>014-110300- AVERY-ALEXANDER-IREDELL-DAVIE-MADISON-YANCEY-MITCHELL-HAYWOOD- BUNCOMBE-CATAWBA-ROWAN-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- GREENVILLE MOUNTAINS-GREATER GREENVILLE-SPARTANBURG-CHEROKEE-YORK- LAURENS-UNION SC-CHESTER- 341 PM EDT TUE MAY 10 2011 ...SEVERE THUNDERSTORM WATCH 269 IN EFFECT UNTIL 11 PM EDT THIS EVENING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR PIEDMONT NORTH CAROLINA...WESTERN NORTH CAROLINA 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. SEVERE THUNDERSTORM WATCH. UPPER LEVEL ENERGY WILL MOVE ACROSS THE REGION INTO TONIGHT...AIDING IN THUNDERSTORM DEVELOPMENT AND ORGANIZATION. SOME OF THESE STORMS WILL HAVE THE POTENTIAL TO BECOME SEVERE...PRODUCING LARGE HAIL... DAMAGING WIND GUSTS AND POSSIBLY EVEN A TORNADO. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. 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. DEO
In the hours before
Local storm report, May 11, 12:54 AM EDT, 28 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1254 AM EDT WED MAY 11 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1245 AM HAIL CHARLOTTE 35.20N 80.83W
05/11/2011 E0.75 INCH MECKLENBURG NC PUBLIC
1222 AM TSTM WND DMG 3 NW BLACKSBURG 35.15N 81.56W
05/11/2011 CHEROKEE SC TRAINED SPOTTER
TREE DOWN.
&&
07Local storm report, May 11, 12:57 AM EDT, 25 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1257 AM EDT WED MAY 11 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1155 PM TSTM WND DMG 15 NE RUTHERFORDTON 35.52N 81.77W
05/10/2011 RUTHERFORD NC TRAINED SPOTTER
TREES DOWN.
&&
07Local storm report, May 11, 12:58 AM EDT, 24 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1258 AM EDT WED MAY 11 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1236 AM HAIL 8 NE CHARLOTTE 35.28N 80.73W
05/11/2011 E2.00 INCH MECKLENBURG NC PUBLIC
NUMEROUS REPORTS OF GOLF BALL TO EGG SIZED HAIL IN THE
UNIVERSITY AREA NORTHEAST OF CHARLOTTE.
&&
BSHLocal storm report, May 11, 1:01 AM EDT, 21 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
101 AM EDT WED MAY 11 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1230 AM HAIL GAFFNEY 35.07N 81.66W
05/11/2011 E0.75 INCH CHEROKEE SC PUBLIC
&&
BSHLocal storm report, May 11, 1:05 AM EDT, 17 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
105 AM EDT WED MAY 11 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1235 AM TSTM WND DMG 3 W CROWDERS 35.19N 81.26W
05/11/2011 GASTON NC PUBLIC
TREES AND LARGE LIMBS DOWN IN THE CROWDERS MOUNTAIN AREA.
&&
BSHLocal storm report, May 11, 1:14 AM EDT, 8 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
114 AM EDT WED MAY 11 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1255 AM TSTM WND DMG 2 SW CHARLOTTE 35.18N 80.86W
05/11/2011 MECKLENBURG NC PUBLIC
PUBLIC REPORTS A METAL ARBORG BLOWN OVER BY THE WIND IN
THE 500 BLOCK OF MARSH ROAD.
&&
BSHThe office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 10, 10:31 PM EDT | Severe Thunderstorm Warning | GSP | Avery, Buncombe, Burke, Caldwell, McDowell, Mitchell and 1 more | 59 min |
| May 10, 10:54 PM EDT | Severe Thunderstorm Warning | GSP | Alexander, Caldwell, Catawba, Iredell | 66 min |
| May 10, 11:22 PM EDT | Severe Thunderstorm Warning | GSP | Buncombe, Burke, Caldwell, Catawba, Cleveland, Henderson and 5 more | 53 min |
| May 10, 11:30 PM EDT | Severe Thunderstorm Warning | GSP | Cabarrus, Iredell, Mecklenburg, Rowan | 60 min |
| May 10, 11:33 PM EDT | Areal Flood Advisory | GSP | Iredell | 3 hr |
| May 10, 11:36 PM EDT | Areal Flood Advisory | GSP | Alexander | 4 hr |
| May 10, 11:45 PM EDT | Severe Thunderstorm Warning | GSP | Buncombe, Haywood, Henderson, Madison, Transylvania | 60 min |
| May 10, 11:55 PM EDT | Severe Thunderstorm Warning | GSP | Alexander, Burke, Cabarrus, Caldwell, Catawba, Cleveland and 5 more | 65 min |
| May 11, 12:04 AM EDT | Severe Thunderstorm Warning | GSP | Buncombe, Cleveland, Gaston, Henderson, Lincoln, Polk and 1 more | 56 min |
| May 11, 12:36 AM EDT | Severe Thunderstorm Warning | GSP | Cabarrus, Gaston, Mecklenburg, Union | 54 min |
| May 11, 12:51 AM EDT | Severe Thunderstorm Warning | GSP | Cleveland, Gaston | 54 min |
| May 11, 4:51 AM EDT | Special Weather Statement | GSP | Alexander, Avery, Burke, Caldwell, Mitchell, Yancey | 39 min |
| May 11, 5:26 AM EDT | Special Weather Statement | GSP | Alexander, Burke, Caldwell, Catawba, Davie, Iredell and 1 more | 49 min |
| May 11, 6:14 AM EDT | Special Weather Statement | GSP | Buncombe, Madison | 46 min |
| May 11, 7:27 AM EDT | Special Weather Statement | GSP | Polk | 48 min |
| May 11, 3:52 PM EDT | Special Weather Statement | GSP | Jackson, Transylvania | 38 min |
| May 11, 3:55 PM EDT | Severe Thunderstorm Warning | GSP | Haywood, Jackson | 48 min |
| May 11, 4:09 PM EDT | Severe Thunderstorm Warning | GSP | Transylvania | 66 min |
| May 11, 5:13 PM EDT | Severe Thunderstorm Warning | GSP | Jackson, Transylvania | 32 min |
| May 11, 5:15 PM EDT | Severe Thunderstorm Warning | GSP | Haywood, Jackson | 60 min |
| May 11, 5:24 PM EDT | Severe Thunderstorm Warning | GSP | Transylvania | 44 min |
| May 11, 6:24 PM EDT | Special Weather Statement | GSP | Polk | 51 min |
| May 11, 6:49 PM EDT | Severe Thunderstorm Warning | GSP | Jackson, Macon | 56 min |
| May 11, 7:18 PM EDT | Severe Thunderstorm Warning | GSP | Polk | 57 min |
| May 11, 7:50 PM EDT | Special Weather Statement | GSP | Davie | 40 min |
Nearby
Severe Thunderstorm Warnings in North Carolina, 2011Every severe thunderstorm warning in 2011
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.