Alert archive / North Carolina / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 182, NWS Greenville-Spartanburg, SC

May 17, 2012Buncombe County, Haywood County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at May 17, 2012, 6:51 PM EDT for Buncombe County, Haywood County, North Carolina. It was in force for 54 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 17, 2012, 6:51 PM EDT (22:51 UTC)
Expired
May 17, 2012, 7:45 PM EDT
In force
54 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon

Counties Buncombe County, NC, Haywood County, NC

The radar

The Greer radar (KGSP), 88 km from the middle of the area, began a volume at 22:52 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

TimeReportWhereRemark
May 17, 6:52 PM EDTHAIL 0.755 Wnw Asheville, NCPENNY HAIL REPORTED WEST OF ASHEVILLE.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

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 12:00Z, 10.9 hours before the alert went out and 261 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.

Skew-T log-pSkew-T log-p diagram, Greensboro/Hi Pt, NC at 12:00Z on 2012-05-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Greensboro/Hi Pt, NC at 12:00Z on 2012-05-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -6 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1894 m above ground
0-6 km bulk shear
5 kt
0-1 km storm-relative helicity
-6 m²/s²
0-3 km storm-relative helicity
3 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

742 
WUUS52 KGSP 172251
SVRGSP
NCC021-087-172345-
/O.NEW.KGSP.SV.W.0182.120517T2251Z-120517T2345Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
651 PM EDT THU MAY 17 2012

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WESTERN BUNCOMBE COUNTY IN WESTERN NORTH CAROLINA...
  EAST CENTRAL HAYWOOD COUNTY IN WESTERN NORTH CAROLINA...

* UNTIL 745 PM EDT

* AT 648 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR
  WOODFIN...OR NEAR DOWNTOWN ASHEVILLE...AND MOVING SOUTHWEST AT 15
  MPH.

* THE SEVERE THUNDERSTORM WILL IMPACT LOCATIONS NEAR...
  LEICESTER.
  CANTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPORT DAMAGING WINDS...HAIL...OR FLOODING THROUGH OUR AUTOMATED
REPORTING SYSTEM...CALL TOLL FREE...1 8 7 7...6 3 3...6 7 7 2.

&&

LAT...LON 3541 8282 3565 8292 3574 8258 3557 8249
TIME...MOT...LOC 2251Z 066DEG 13KT 3562 8263

$$

ARK
2 follow-up statements
885 
WWUS52 KGSP 172306
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
706 PM EDT THU MAY 17 2012

NCC021-087-172345-
/O.CON.KGSP.SV.W.0182.000000T0000Z-120517T2345Z/
BUNCOMBE NC-HAYWOOD NC-
706 PM EDT THU MAY 17 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EAST CENTRAL
HAYWOOD AND WESTERN BUNCOMBE COUNTIES UNTIL 745 PM EDT...

AT 702 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
LEICESTER...OR 7 MILES WEST OF DOWNTOWN ASHEVILLE...MOVING SOUTHWEST
AT 15 MPH.

THE SEVERE THUNDERSTORM WILL IMPACT LOCATIONS NEAR...
  CANTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BRIEF DAMAGING WINDS WILL BLOW DOWN TREES AND POWER LINES OVER SMALL
AREAS. A BRIEF PERIOD OF LARGE HAIL IS ALSO POSSIBLE. SEEK SHELTER
INSIDE AN INTERIOR ROOM.

THIS SEVERE THUNDERSTORM IS ALSO PRODUCING EXTREMELY HEAVY RAINFALL.
FLOODING OF DRAINAGE DITCHES AND LOW LYING AREAS MAY OCCUR. DO NOT
DRIVE THROUGH AREAS WHERE WATER IS FLOWING OVER THE ROAD.

TO REPORT DAMAGING WINDS...HAIL...OR FLOODING THROUGH OUR AUTOMATED
REPORTING SYSTEM...CALL TOLL FREE...1 8 7 7...6 3 3...6 7 7 2.

&&

LAT...LON 3571 8263 3555 8253 3548 8268 3541 8282
      3562 8291
TIME...MOT...LOC 2305Z 063DEG 13KT 3559 8268

$$

ARK
759 
WWUS52 KGSP 172339
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
739 PM EDT THU MAY 17 2012

NCC021-087-172349-
/O.EXP.KGSP.SV.W.0182.000000T0000Z-120517T2345Z/
BUNCOMBE NC-HAYWOOD NC-
739 PM EDT THU MAY 17 2012

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL HAYWOOD AND
WESTERN BUNCOMBE COUNTIES WILL EXPIRE AT 745 PM EDT...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LEVELS.  HOWEVER SMALL HAIL...GUSTY WINDS AND HEAVY RAIN ARE STILL
POSSIBLE WITH THIS THUNDERSTORM.

LAT...LON 3571 8263 3555 8253 3548 8268 3541 8282
      3562 8291
TIME...MOT...LOC 2339Z 063DEG 13KT 3553 8281

$$

ARK

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 May 17, 2:29 PM EDT, 4 hours 22 minutes earlier.

Area forecast discussion, May 17, 2:29 PM EDT, 4 hours 22 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
229 PM EDT THU MAY 17 2012

.SYNOPSIS...
AN UPPER LEVEL LOW WILL FORM OVER SOUTH CAROLINA...AND WILL MOVE TO
THE NORTH CAROLINA COAST...WHERE IT WILL LINGER INTO EARLY NEXT
WEEK. HIGH PRESSURE WILL BUILD IN FROM THE NORTH AND REMAIN THROUGH
MONDAY. A COLD FRONT WILL APPROACH THE AREA FROM THE WEST ON
TUESDAY.

&&

.NEAR TERM /THROUGH FRIDAY/...
WATER VAPOR IMAGERY AND THE LATEST RAP MODEL RUN SHOW A NE TO SW
ORIENTED UPPER LOW STRETCHED OVER THE MIDLANDS OF SOUTH
CAROLINA...BACK ACROSS SOUTHEAST GEORGIA. A SPOKE OF PVA ON THE WEST
SIDE OF THE LOW IS HELPING TO ORGANIZE STRONG TO SEVERE CONVECTION
ACROSS THE SOUTHERN PART OF THE UPSTATE. ELSEWHERE...OTHER STORMS
WERE DEVELOPING OVER THE BLUE RIDGE OF NE GA AND SW NC. SOMEWHAT
DRIER AIR HAS PUSHED INTO THE NRN PIEDMONT AND FOOTHILLS OF NE...BUT
AREAS TO THE SOUTH REMAIN QUITE UNSTABLE WITH SB-CAPE VALUES RUNNING
FROM 1500-2000 J/JG. OUR LOCAL WORKSTATION WRF...THE NCEP 4KM WRF
AND THE HRRR ALL AGREE IN DEVELOPING CONVECTION OVER MUCH OF THE
UPSTATE...SOUTHERN NC MTNS AND FOOTHILLS AND NE GA INTO THE EVENING
HOURS. THIS WOULD BE SIMILAR TO WHAT HAPPENED LAST NIGHT. CONFIDENCE
IN THIS DEVELOPMENT IS FAIRLY HIGH...AND POPS WILL BE PUSHED UP TO
50 PERCENT ACROSS THE I-85 CORRIDOR AND UP INTO THE WRN NC FOOTHILLS
FOR THE EVENING HOURS. COOL MID-LEVEL TEMPS AND DRY AIR ALOFT WILL
CONTINUE TO SUPPORT SEVERE WIND AND HAIL EVENTS.

A BACK DOOR COLD FRONT WILL CROSS THE REGION LATE TONIGHT. THE NAM
MIXES DEWPOINTS INTO THE U40S TO L50S ACROSS THE NC FOOTHILLS AND
PIEDMONT AND THE ERN UPSTATE. THIS SHOULD FINALLY END THE THREAT OF
STORMS FOR THESE AREAS. BACK ACROSS THE MOUNTAINS...ESPECIALLY
CLOSER TO THE TN LINE...SCT CONVECTION SHOULD DEVELOP AGAIN TMRW
WHERE LLVL MOISTURE CONVERGENCE WILL BE MAXIMIZED.

&&

.SHORT TERM /FRIDAY NIGHT THROUGH SUNDAY/...
AT 1430 EDT THURSDAY...A CLOSED UPPER LOW...PART OF AN EAST COAST
REX ...WILL BE LOCATED NEAR THE NC COAST ON FRIDAY NIGHT AND
SATURDAY. ON SUNDAY THIS FEATURE RETROGRADES SLIGHTLY INLAND. THE
MODELS SHOW DRIER AIR MOVING SW INTO OUR AREA ON THE BACK SIDE OF
THE LOW FRIDAY NIGHT AND SATURDAY....WHILE SOME MOISTURE LINGERS
ALONG THE BLUE RIDGE. ON SATURDAY NIGHT THE NAM SHOWS MOISTURE
SPREADING WEST ACROSS THE INTERSTATE 77 CORRIDOR TO THE NC BLUE
RIDGE...WHILE THE GFS REMAINS RATHER DRY UNTIL SUNDAY NIGHT.

POPS WILL INITIALLY BE QUITE LOW AND FOCUSED ALONG THE BLUE
RIDGE...THEN WILL INCREASE SLIGHTLY FROM THE EAST TOWARD SUNDAY...
BUT REMAINING RATHER LOW AS CONFIDENCE IS LIMITED ON THE AMOUNT AND
TIMING OF MOISTURE ENCROACHMENT FROM THE EAST. TEMPERATURES WILL
GENERALLY BE SLIGHTLY BELLOW NORMAL UNDER THE UPPER LOW HEIGHT
ANOMALY.

&&

.LONG TERM /SUNDAY NIGHT THROUGH THURSDAY/...
AT 1430 EDT THURSDAY...A LONGWAVE TROUGH WILL PROGRESS ACROSS THE
EASTERN USA FROM MONDAY THROUGH WEDNESDAY...PROGRESSING OFFSHORE ON
THURSDAY WHEN A LONGWAVE RIDGE AXIS CROSSES THE MS RIVER VALLEY. A
CLOSED UPPER LOW WILL REMAIN NEAR THE CAROLINA COAST ON MONDAY. THIS
LOW FILLS AND DRIFTS NORTHEAST ON TUESDAY. A SHORTWAVE TROUGH DROPS
SOUTHEAST OVER THE SOUTHERN APPALACHIANS LATE TUESDAY...MOVING OFF
TO THE EAST ON WEDNESDAY.

SURFACE HIGH PRESSURE WILL BE OVER OUR ARE ON MONDAY...BETWEEN A
COASTAL LOW AND A COLD FRONT IN THE MS RIVER VALLEY. CONFIDENCE IS
LIMITED ON THE WESTERN EXTENT OF MOISTURE THAT WILL WRAP AROUND THE
COASTAL LOW TOWARD THE SOUTHERN APPALACHIANS...AND THE RESULTANT
POPS. THE COLD FRONT TO OUR WEST REACHES THE SOUTHERN APPALACHIANS
ON TUESDAY WHILE WEAKENING...WITH THE REMAINS OF THE BOUNDARY
SUPPORTING LENDING SUPPORT TO AT LEAST SMALL POPS. WEDNESDAY AND
THURSDAY FIND OUR AREA UNDER WEAK HIGH PRESSURE...BUT THE MODELS
DEPICT SOME AMOUNT OF LINGERING MOISTURE...OSTENSIBLY ASSOCIATED
WITH THE REMAINS OF THE FORMER FRONT. WITH GULF INFLOW EVENTUALLY
SETTING UP TO OUR WEST...SMALL POPS WILL BE MAINTAINED INTO
THURSDAY...ESPECIALLY IN  THE WEST. TEMPERATURES WILL BE SLIGHTLY
ABOVE NORMAL IN MINOR HEIGHTS RISES BEHIND THE DEPARTING UPPER LOW.

&&

.AVIATION /19Z THURSDAY THROUGH TUESDAY/...
AT KCLT...STRONG THUNDERSTORMS WILL CONTINUE TO FIRE ABOUT 15 MILES
SOUTH OF THE AIRFIELD...THEN DRIFT SOUTH FROM THERE...OVER THE NEXT
COUPLE HOURS. HOWEVER...THE AIRMASS WILL BECOME MORE UNSTABLE BY
LATE AFTN. MOST OF THE SHORT RANGE MODELS WANT TO DEVELOP TSTMS
AROUND THE AIRFIELD STARTING IN A COUPLE HOURS AND THE NNE TO SSW
ORIENTED BANDS OF CU ACROSS THE REGION WILL LIKELY START TO DEEPEN
INTO CB/S WITH TIME. I/VE HELD ON TO VCSH TO ACCOUNT FOR THIS...BUT
A PERIOD OF TEMPO TSRA WILL PROBABLY NEED TO BE ADDED ONCE
DEVELOPMENT STARTS TO OCCUR FARTHER NORTH.

WINDS WILL REMAIN OUT OF THE NE THIS AFTN...THOUGH OUTFLOW BNDRYS
MAY PLAY HAVOC WITH THE WINDS AT TIMES. MVFR CIGS ARE EXPECTED AFTER
MIDNIGHT AS A BACK DOOR COLD FRONT SURGES THROUGH THE REGION. THE
CIGS ARE EXPECTED TO CLEAR OUT BEFORE SUNRISE HOWEVER.

ELSEWHERE...MUCH LIKE AT KCLT...THE ATMOSPHERE WILL BECOME MORE
UNSTABLE OVER THE UPSTATE...AND TSTMS WILL LIKELY BEGIN TO DEVELOP
ON OUTFLOW BNDRYS FROM STORMS EAST OF THE REGION NOW. THIS PROCESS
WILL TAKE A COUPLE HOURS. VCHS IS IN THE TAFS NOW...BUT A PERIOD OF
TEMPO GROUPS IS A GOOD BET ONCE THE NEW CELLS BEGIN TO FIRE.
CONFIDENCE IN TIMING JUST ISN/T HIGH ENUF TO TEMPO YET. KAVL IS MORE
STABLE...BUT SHRA MAY CONTINUE THERE FOR A GOOD BIT OF THE NIGHT.

WINDS OVER THE UPSTATE WILL GENERALLY BE OUT OF THE EAST THE REST OF
THE AFTN...TURNING NE LATE TONIGHT AS A BACK DOOR FRONT SURGES
THROUGH. A PERIOD OF MVFR CIGS IS EXPECTED TO ACCOMPANY THE FRONT.

OUTLOOK...EXPECT ISOLD LATE DAY SHOWERS AND TSTMS IN THE MTNS FRI
AFTN....THEN DRYING OVER THE WEEKEND. MRNG FOG WILL BE PSBL...ESP
MTN VALLEYS AND NEAR LAKES/RIVERS.

AN EXPERIMENTAL AVIATION FORECAST CONSISTENCY TABLE SHOWING THE
PERCENTAGE OF GUIDANCE MEMBERS AGREEING WITH THE SCHEDULED ISSUANCE
CATEGORY IS AVAILABLE AT FOLLOWING LINK (USE LOWER CASE)...

WWW.WEATHER.GOV/GSP/AVIATION/TABLES.HTM

&&

.GSP WATCHES/WARNINGS/ADVISORIES...
GA...NONE.
NC...NONE.
SC...NONE.

&&

SYNOPSIS...JAT
NEAR TERM...MCAVOY
SHORT TERM...JAT
LONG TERM...JAT
AVIATION...MCAVOY
Hazardous weather outlook, May 17, 12:30 PM EDT, 6 hours 21 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1230 PM EDT THU MAY 17 2012

GAZ010-017-NCZ033-035>037-048>053-056>059-062>065-068-069-501>510-
SCZ001>003-181630-
RABUN-HABERSHAM-AVERY-ALEXANDER-IREDELL-DAVIE-MADISON-YANCEY-
MITCHELL-SWAIN-HAYWOOD-BUNCOMBE-CATAWBA-ROWAN-GRAHAM-
NORTHERN JACKSON-MACON-SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON-
CLEVELAND-LINCOLN-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-
1230 PM EDT THU MAY 17 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA...WESTERN
NORTH CAROLINA AND UPSTATE SOUTH CAROLINA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP THIS AFTERNOON AND
LAST WELL INTO THE EVENING HOURS...ESPECIALLY ACROSS THE MOUNTAINS
AND THE ADJACENT FOOTHILL LOCATIONS. THE STRONGER STORMS WILL
PRODUCE SMALL HAIL AND GUSTY WINDS...ALONG WITH FREQUENT CLOUD TO
GROUND LIGHTNING.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

NONE.

GAZ018-026-028-029-NCZ070>072-082-SCZ004>014-019-181630-
STEPHENS-FRANKLIN-HART-ELBERT-GASTON-MECKLENBURG-CABARRUS-UNION NC-
GREATER OCONEE-GREATER PICKENS-GREATER GREENVILLE-SPARTANBURG-
CHEROKEE-YORK-ANDERSON-ABBEVILLE-LAURENS-UNION SC-CHESTER-GREENWOOD-
1230 PM EDT THU MAY 17 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA...PIEDMONT
NORTH CAROLINA AND UPSTATE SOUTH CAROLINA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

SCATTERED THUNDERSTORMS WILL DEVELOP ACROSS THE PIEDMONT OF THE
WESTERN CAROLINAS AND NORTHEAST GEORGIA THIS AFTERNOON...LASTING
INTO THE EVENING HOURS. ALONG AND SOUTH OF INTERSTATE 85 THERE
WILL BE SUFFICIENT INSTABILITY FOR SOME OF THE STORMS TO REACH
SEVERE LIMITS...PRODUCING LARGE HAIL AND DAMAGING WINDS.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

NONE.

MCAVOY

In the hours before

Special weather statement, May 17, 4:25 PM EDT, 2 hours 26 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
425 PM EDT THU MAY 17 2012

SCZ009-014-172115-
CHESTER-YORK-
425 PM EDT THU MAY 17 2012

...A STRONG THUNDERSTORM WILL AFFECT CHESTER AND SOUTHEASTERN YORK
COUNTIES THROUGH 515 PM EDT...

AT 420 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 3 MILES NORTHWEST OF EDGEMOOR...OR 8 MILES SOUTH
OF ROCK HILL...MOVING SOUTHWEST AT 15 MPH.

THIS STORM WILL BE NEAR...
  RICHBURG...
  LOWRYS...
  CHESTER...

SMALL HAIL...AND WIND GUSTS OF 40 TO 50 MPH ARE EXPECTED WITH THIS
STORM.

FREQUENT 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.

LAT...LON 3455 8108 3456 8124 3465 8140 3494 8110
      3483 8089

07
Special weather statement, May 17, 4:35 PM EDT, 2 hours 16 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
435 PM EDT THU MAY 17 2012

NCZ048-049-053-172115-
BUNCOMBE-MADISON-YANCEY-
435 PM EDT THU MAY 17 2012

...A STRONG THUNDERSTORM WILL AFFECT EASTERN MADISON...NORTHERN
BUNCOMBE AND YANCEY COUNTIES THROUGH 515 PM EDT...

AT 430 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR BURNSVILLE...MOVING SOUTHWEST AT 15 MPH.

THIS STORM WILL BE NEAR...
  BURNSVILLE...
  BARNARDSVILLE...

SMALL HAIL...AND WIND GUSTS OF 40 TO 50 MPH ARE EXPECTED WITH THIS
STORM.

HEAVY RAINS MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND
UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS FLOODED ROADS. WATER
LEVELS OF SMALL STREAMS AND RIVERS MAY ALSO RISE...THEREFORE SEEK
HIGHER GROUND IF THREATENED BY FLOOD WATERS.

LAT...LON 3602 8227 3601 8228 3599 8225 3601 8226
      3600 8224 3602 8223 3598 8219 3595 8219
      3593 8215 3590 8215 3562 8243 3580 8264
      3604 8230

07
Special weather statement, May 17, 5:47 PM EDT, 1 hour 4 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
547 PM EDT THU MAY 17 2012

NCZ049-053-505-172230-
BUNCOMBE-MCDOWELL MOUNTAINS-YANCEY-
547 PM EDT THU MAY 17 2012

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN BUNCOMBE...SOUTHERN
YANCEY AND WESTERN MCDOWELL COUNTIES THROUGH 630 PM EDT...

AT 545 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR CELO...OR 5 MILES SOUTHEAST OF BURNSVILLE...
MOVING SOUTH AT 10 MPH.

THIS STORM WILL BE NEAR...
  BUSICK...

PEA SIZE HAIL...AND WIND GUSTS OF 30 TO 40 MPH ARE EXPECTED WITH THIS
STORM.

LAT...LON 3595 8219 3593 8218 3593 8216 3591 8215
      3585 8214 3563 8221 3565 8249 3596 8233

ARK
Special weather statement, May 17, 6:12 PM EDT, 39 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
612 PM EDT THU MAY 17 2012

NCZ059-062-063-172300-
MACON-NORTHERN JACKSON-SOUTHERN JACKSON-
612 PM EDT THU MAY 17 2012

...A STRONG THUNDERSTORM WILL AFFECT EASTERN MACON AND SOUTHERN
JACKSON COUNTIES THROUGH 700 PM EDT...

AT 611 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 3 MILES NORTHWEST OF LAKE GLENVILLE...OR 11 MILES
EAST OF FRANKLIN...MOVING SOUTHWEST AT 10 MPH.

THIS STORM WILL BE NEAR...
  HIGHLANDS...

DIME SIZE HAIL...AND WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THIS
STORM.

LAT...LON 3513 8350 3532 8318 3519 8303 3499 8325
      3500 8336

ARK
Special weather statement, May 17, 6:27 PM EDT, 24 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
627 PM EDT THU MAY 17 2012

NCZ053-172315-
BUNCOMBE-
627 PM EDT THU MAY 17 2012

...A STRONG THUNDERSTORM WILL AFFECT BUNCOMBE COUNTY THROUGH 715 PM
EDT...

AT 625 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 3 MILES EAST OF WEAVERVILLE...OR 7 MILES
NORTHEAST OF DOWNTOWN ASHEVILLE...MOVING SOUTHWEST AT 15 MPH.

THIS STORM WILL BE NEAR...
  WEAVERVILLE...
  WOODFIN...
  UNC ASHEVILLE...
  DOWNTOWN ASHEVILLE...
  BILTMORE FOREST...
  I-26 AT I-40...

DIME SIZE HAIL...AND WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THIS
STORM.

LAT...LON 3572 8230 3549 8231 3550 8233 3546 8237
      3547 8242 3545 8247 3544 8253 3543 8253
      3544 8255 3544 8263 3546 8268 3555 8278
      3557 8277 3562 8281 3580 8252

ARK
Special weather statement, May 17, 6:30 PM EDT, 21 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
630 PM EDT THU MAY 17 2012

NCZ049-050-172315-
MITCHELL-YANCEY-
630 PM EDT THU MAY 17 2012

...A STRONG THUNDERSTORM WILL AFFECT NORTHERN YANCEY AND NORTHWESTERN
MITCHELL COUNTIES THROUGH 715 PM EDT...

AT 628 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 3 MILES EAST OF POPLAR...OR 9 MILES SOUTHEAST OF
ERWIN...MOVING SOUTHWEST AT 10 MPH.

THIS STORM WILL BE NEAR...
  RAMSEYTOWN...

PEA SIZE HAIL...AND WIND GUSTS OF 30 TO 40 MPH ARE EXPECTED WITH THIS
STORM.

FREQUENT 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.

LAT...LON 3603 8214 3587 8243 3590 8245 3591 8248
      3594 8250 3595 8248 3598 8251 3602 8245
      3608 8242 3611 8237 3614 8230 3613 8227
      3615 8222

ARK

The office that day

Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 16, 8:10 PM EDTAreal Flood AdvisoryGSPMecklenburg3 hr
May 16, 8:24 PM EDTSpecial Weather StatementGSPCleveland51 min
May 16, 8:31 PM EDTSpecial Weather StatementGSPBurke44 min
May 16, 8:55 PM EDTSpecial Weather StatementGSPCaldwell50 min
May 16, 9:14 PM EDTSpecial Weather StatementGSPCleveland46 min
May 16, 9:16 PM EDTSpecial Weather StatementGSPCleveland44 min
May 16, 9:37 PM EDTSevere Thunderstorm WarningGSPCleveland53 min
May 16, 10:03 PM EDTSpecial Weather StatementGSPLincoln42 min
May 16, 10:15 PM EDTSpecial Weather StatementGSPCleveland45 min
May 16, 11:00 PM EDTSpecial Weather StatementGSPCleveland45 min
May 17, 3:28 PM EDTSpecial Weather StatementGSPCatawba, Iredell47 min
May 17, 4:35 PM EDTSpecial Weather StatementGSPYancey40 min
May 17, 5:47 PM EDTSpecial Weather StatementGSPYancey43 min
May 17, 6:12 PM EDTSpecial Weather StatementGSPMacon48 min
May 17, 6:27 PM EDTSpecial Weather StatementGSPBuncombe48 min
May 17, 7:25 PM EDTSevere Thunderstorm WarningGSPMacon24 min
May 17, 7:28 PM EDTSpecial Weather StatementGSPJackson47 min
May 17, 7:43 PM EDTSpecial Weather StatementGSPHaywood47 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2012Every severe thunderstorm warning in 2012

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.