Alert archive / North Carolina / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 366, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 6, 2012, 4:43 PM EDT for Davie County, Iredell County, Rowan County, North Carolina. It was in force for 27 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 6, 2012, 4:43 PM EDT (20:43 UTC)
- Expired
- Jul 6, 2012, 5:10 PM EDT
- In force
- 27 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Storm-based polygon
Counties Davie County, NC, Iredell County, NC, Rowan County, NC
The radar
The Roanoke radar (KFCX), 131 km from the middle of the area, began a volume at 20:46 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.
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, 8.7 hours before the alert went out and 71 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
- 74 J/kg
- Mixed-layer CIN
- -246 J/kg
- Mixed-layer LCL
- 1674 m above ground
- 0-6 km bulk shear
- 3 kt
- 0-1 km storm-relative helicity
- 33 m²/s²
- 0-3 km storm-relative helicity
- 26 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
676 WUUS52 KGSP 062043 SVRGSP NCC059-097-159-062145- /O.NEW.KGSP.SV.W.0366.120706T2043Z-120706T2145Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 443 PM EDT FRI JUL 6 2012 THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CENTRAL DAVIE COUNTY IN THE PIEDMONT OF NORTH CAROLINA... EAST CENTRAL IREDELL COUNTY IN THE PIEDMONT OF NORTH CAROLINA... EXTREME NORTHWESTERN ROWAN COUNTY IN THE PIEDMONT OF NORTH CAROLINA... * UNTIL 545 PM EDT * AT 439 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 MOCKSVILLE...AND MOVING WEST AT 10 MPH. * THE SEVERE THUNDERSTORM WILL IMPACT LOCATIONS NEAR... HARMONY. PRECAUTIONARY/PREPAREDNESS ACTIONS... THESE STORMS ARE CAPABLE OF BLOWING DOWN SCATTERED TREES AND POWER LINES. SEEK SHELTER INSIDE AN INTERIOR ROOM. 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 3578 8074 3599 8079 3601 8055 3587 8045 TIME...MOT...LOC 2044Z 075DEG 10KT 3593 8061 $$ MCAVOY
1 follow-up statement
381 WWUS52 KGSP 062110 SVSGSP SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 510 PM EDT FRI JUL 6 2012 NCC059-097-159-062119- /O.CAN.KGSP.SV.W.0366.000000T0000Z-120706T2145Z/ DAVIE NC-IREDELL NC-ROWAN NC- 510 PM EDT FRI JUL 6 2012 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN ROWAN...EAST CENTRAL IREDELL AND CENTRAL DAVIE COUNTIES IS CANCELLED... THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED OVER THIS AREA. LAT...LON 3578 8074 3599 8079 3601 8055 3587 8045 TIME...MOT...LOC 2109Z 075DEG 10KT 3591 8069 $$ MCAVOY
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 Jul 6, 2:51 PM EDT, 1 hour 52 minutes earlier.
Area forecast discussion, Jul 6, 2:51 PM EDT, 1 hour 52 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 251 PM EDT FRI JUL 6 2012 .SYNOPSIS... AN UPPER LEVEL HIGH WILL KEEP HOT TEMPERATURES AND AFTERNOON THUNDERSTORM CHANCES ACROSS THE WESTERN CAROLINAS AND NORTHEAST GEORGIA THROUGH THE WEEKEND. SOME RELIEF MAY BE ON THE WAY FOR NEXT WEEK AS A COLD FRONT IS EXPECTED TO DROP DOWN FROM THE NORTHWEST ON SUNDAY NIGHT AND MONDAY. THE FRONT WILL BECOME STATIONARY ACROSS THE AREA THROUGH THE MIDDLE PART OF NEXT WEEK. && .NEAR TERM /THROUGH SATURDAY/... AS OF 215 PM EDT...CURRENT VISIBLE SATELLITE IS SHOWING A WIDELY SCT CU FIELD CONTINUING TO INCREASE IN COVERAGE ACROSS THE WESTERN CAROLINAS. BEST COVERAGE IS CURRENTLY LIMITED TO THE HIGHER TERRAIN...BUT THAT SHOULD CHANGE OVER THE NEXT COUPLE OF HOURS AS THE LOW LVLS HEAT UP. TEMPS HAVE BEEN SLOWER TO RISE SO FAR TODAY WITH THE GOOD RAINFALL WE GOT YESTERDAY ACTING AS A BUFFER TO THE PERSISTENT UPPER RIDGE AND STRONG INSOLATION. BASED ON THIS TREND...I BUMPED MAX TEMPS DOWN A COUPLE OF DEGREES FROM THE PREVIOUS FCST HIGHS. GOING FOR A HIGH OF AROUND 96 FOR GSP AND AROUND 90 FOR KAVL. I ALSO TRIMMED POPS BACK ABOUT 5 TO 10% BUT KEPT A SOLID CHANCE OVER THE HIGHER TERRAIN AND A SLIGHT CHANCE ELSEWHERE. ANOTHER CALM NIGHT IS IN STORE OVERNIGHT WITH WINDS BECOMING CALM TO LIGHT AND VRB. THE POTENTIAL IS THERE AGAIN FOR SOME MT VALLEY FOG EARLY TOMORROW MORNING IF TEMPS CAN DROP ENOUGH. OF COURSE...IF WE WIND UP NOT SEEING MUCH PRECIP TODAY AND TONIGHT...THE POTENTIAL FOR FOG WILL BE LOWER. FOR TOMORROW...THE UPPER RIDGE WILL FINALLY BEGIN TO SIGNIFICANTLY WEAKEN AND THE LARGE SCALE PATTERN WILL CHANGE. THERE IS STILL A SLIGHT TO SOLID CHANCE FOR AFTERNOON/EVENING TSRA...BUT THE OVERALL POPS ARE LOWER THAN THE PAST FEW DAYS. ANY MID TO UPPER LVL SUPPORT SHOULD ALSO BE LESS WITH MODEL SOUNDINGS SHOWING THE MID LVLS WARMING A BIT. HIGHS WILL BE IN THE UPPER 90S AGAIN BUT RELIEF IS IN SIGHT EARLY NEXT WEEK. && .SHORT TERM /SATURDAY NIGHT THROUGH MONDAY/... AS OF 240 PM FRIDAY...UPPER RIDGE REMAINS OVER THE REGION SAT NIGHT-SUN...THEN WEAKENS SUN NIGHT-MON AS AN H5 SHORTWAVE TROF MOVES ACROSS THE GREAT LAKES TOWARD THE AREA. EVEN WITH A RIDGE OVERHEAD SUN...THE AREA DESTABILIZES WITH HEATING IN THE AFTN AND CAPE VALUES GET QUITE HIGH. WITHOUT MUCH SHEAR...ORGANIZED CONVECTION SHOULD BE MINIMAL BUT SCT LATE DAY SHWRS/TSTMS ARE STILL EXPECTED...MAINLY OVER THE MTNS WHERE LOW LVL CONVERGENCE WILL BE BEST. MODELS CONTINUE TO SUPPORT AT LEAST ISOLD CONVECTION SUN NIGHT AS UPPER FORCING IMPROVES WITH THE APPROACH OF WEAK IMPULSES AHEAD OF THE UPPER TROF. THEN POPS RAMP UP ON MON AS GULF MOISTURE IS PULLED UP OVER THE AREA AHEAD OF THE APPROACHING SHORTWAVE AND ASSOC SFC FRONT. LOW TEMPS WILL BE WELL ABOVE AVG THRU THE PD. HIGHS WILL BE IN THE U90S E OF THE MTNS SUN...THEN 5-8 DEG COOLER ON MON WITH LOWERING HEIGHTS AND INCREASING CLOUDS. && .LONG TERM /MONDAY NIGHT THROUGH THURSDAY/... AS OF 230 PM FRIDAY...THE LATEST MODELS CONTINUE TO INDICATE THAT A BROAD UPPER RIDGE OF HIGH OVER THE SOUTHEAST WILL BREAK DOWN BY MONDAY AS AN UPPER TROUGH DEVELOPS ACROSS THE GREAT LAKES REGION. A COLD FRONT OVER THE OHIO VALLEY IS PROGGED TO MOVE SOUTH ACROSS THE APPALACHIANS BY LATE MONDAY AND STALLS OVER OUR FORECAST AREA THROUGH LATE NEXT WEEK. A PROLONGED WET WEATHER PATTERN IS EXPECTED AS UPPER LEVEL DIVERGENCE REMAINS OUR AREA ALONG WITH DEEPER MOISTURE BAND SETTLING ALONG THE FRONT THROUGH MUCH OF THE EXTENDED FORECAST PERIOD. TEMPERATURES WILL REMIAN 5-10 DEGREES BELOW NORMAL WITH HIGHS IN THE LOW TO MID 80S TUE INTO FRIDAY. && .AVIATION /19Z FRIDAY THROUGH WEDNESDAY/... AT KCLT...EXPECT VFR CONDITIONS WITH THE POSSIBILITY OF BRIEF MVFR VISBY EARLY THIS EVENING IF CONVECTION CAN GET GOING. I INCLUDED A TEMPO GROUP FOR THIS FROM 22 TO 24Z WITH BKN CB. OTHER THAN THAT...WINDS SHOULD BE LIGHT S TO SELY BECOMING LIGHT AND VRB OVERNIGHT. TOMORROW SHOULD BE SIMILAR TO TODAY WITH ONLY A SLIGHT CHANCE FOR AFTERNOON/EVENING TSRA AND WINDS OUT OF THE SW. ELSEWHERE...EXPECT VFR CONDITIONS THRU TAF PERIOD WITH THE POSSIBILITY OF VCTS AT ALL SITES LATE THIS AFTERNOON AND INTO TONIGHT IF CONVECTION CAN INITIATE. BEST CHANCE FOR TSRA WILL BE OVER KAVL AS LATEST MODEL SOUNDINGS ARE KEEPING DEWPTS HIGHER AND GENERATING MORE INSTABILITY THRU THE EVENING. KAVL COULD SEE A BRIEF PERIOD OF VALLEY FOG TOMORROW MORNING BETWEEN ABOUT 9 AND 12Z IF TEMPS DROP ENOUGH OVERNIGHT AND IF THEY RECEIVE ANY PRECIP. I AM THINKING THEY PROBABLY WONT GO BELOW VFR VISBY SO I DID NOT INCLUDE ANY MENTION IN THE TAF. OTHERWISE...WINDS WILL BE PREDOMINATELY FROM THE EAST WITH CALM CONDITIONS OVERNIGHT AND SWLY WINDS DEVELOPING AFTER 12Z TOMORROW. OUTLOOK...ISOLATED TO SCATTERED AFTN/EVE SHRA/TSRA EXPECTED EACH DAY THROUGH THE WEEKEND...WITH AREAS OF MORNING FOG/STRATUS POSSIBLE... ESP IN THE MTN VALLEYS AND WHERE RAIN FALLS. 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 && .CLIMATE... RECORD HIGH TEMPERATURES THAT WILL BE APPROACHED AND POSSIBLY EXCEEDED... AVL JULY 6TH 93 IN 1993 JULY 7TH 95 IN 1993 GSP JULY 6TH 100 IN 1993 JULY 7TH 100 IN 1993 CLT JULY 6TH 99 IN 1930 JULY 7TH 100 IN 1993 && .GSP WATCHES/WARNINGS/ADVISORIES... GA...NONE. NC...NONE. SC...NONE. && SYNOPSIS...JOH NEAR TERM...JPT SHORT TERM...RB LONG TERM...JOH AVIATION...JPT CLIMATE...
Hazardous weather outlook, Jul 6, 2:59 PM EDT, 1 hour 44 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 259 PM EDT FRI JUL 6 2012 GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065- 068>072-082-501>510-SCZ001>014-019-071900- 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- 259 PM EDT FRI JUL 6 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA...PIEDMONT NORTH CAROLINA...WESTERN NORTH CAROLINA AND UPSTATE SOUTH CAROLINA. .DAY ONE...THIS AFTERNOON AND TONIGHT. EXPECT SCATTERED THUNDERSTORMS TO DEVELOP ACROSS THE AREA INTO THIS EVENING. SOME STORMS MAY BE STRONG ENOUGH TO PRODUCE DAMAGING WIND GUSTS AND LARGE HAIL. FREQUENT CLOUD-TO- GROUND LIGHTNING AND BRIEF HEAVY RAIN CAN ALSO BE EXPECTED WITH ANY STORMS. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... NONE.
In the hours before
Local storm report, Jul 6, 10:51 AM EDT, 5 hours 52 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1051 AM EDT FRI JUL 06 2012
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0700 PM TSTM WND DMG 4 SSE MONROE 34.93N 80.51W
07/05/2012 UNION NC TRAINED SPOTTER
LARGE LIMBS DOWN ON MECEDONIA CHURCH AND MEDLIN ROADS.
&&
JOHLocal storm report, Jul 6, 11:02 AM EDT, 5 hours 41 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1102 AM EDT FRI JUL 06 2012
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0650 PM TSTM WND DMG MONROE 34.99N 80.54W
07/05/2012 UNION NC 911 CALL CENTER
MULTIPLE TREES AND POWERLINES DOWN ON WEST FRANKLIN
STREET AND BRAGG STREET.
&&
JOHLocal storm report, Jul 6, 12:40 PM EDT, 4 hours 3 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1240 PM EDT FRI JUL 06 2012
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0623 PM TSTM WND DMG 3 E EDGEMOOR 34.81N 80.96W
07/05/2012 CHESTER SC EMERGENCY MNGR
TREES BLOWN DOWN BY THUNDERSTORM WIND.
&&
LGLSpecial weather statement, Jul 6, 3:33 PM EDT, 1 hour 10 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 333 PM EDT FRI JUL 6 2012 NCZ053-062000- BUNCOMBE- 333 PM EDT FRI JUL 6 2012 ...A STRONG THUNDERSTORM WILL AFFECT CENTRAL BUNCOMBE COUNTY THROUGH 400 PM EDT... AT 328 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM NEAR WOODFIN...OR 3 MILES NORTHWEST OF DOWNTOWN ASHEVILLE...MOVING SOUTHWEST AT 10 MPH. THIS STORM WILL IMPACT LOCATIONS NEAR... I-26 AT I-40... LEICESTER... 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 3552 8266 3564 8274 3569 8256 3560 8250 MCAVOY
Local storm report, Jul 6, 3:56 PM EDT, 47 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
356 PM EDT FRI JUL 06 2012
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0341 PM TSTM WND DMG 4 NW ASHEVILLE 35.62N 82.60W
07/06/2012 BUNCOMBE NC 911 CALL CENTER
TREE AND POWERLINES ON A MOBILE HOME ON POWERS ROAD. ONE
PERSON TRAPPED INSIDE. ANOTHER TREE WAS REPORTED DOWN ON
WOLF PARK CIRCLE. TIME DETERMINED FROM RADAR DATA.
&&
NEDSpecial weather statement, Jul 6, 4:37 PM EDT, 6 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 437 PM EDT FRI JUL 6 2012 NCZ033-050-062115- AVERY-MITCHELL- 437 PM EDT FRI JUL 6 2012 ...A STRONG THUNDERSTORM WILL AFFECT EASTERN MITCHELL AND SOUTHWESTERN AVERY COUNTIES THROUGH 515 PM EDT... AT 432 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 3 MILES SOUTH OF MINNEAPOLIS...OR 5 MILES SOUTHWEST OF NEWLAND...MOVING SOUTHWEST AT 20 MPH. * OTHER LOCATIONS AFFECTED INCLUDE BUT ARE NOT LIMITED TO INGALLS. PEA SIZE HAIL...AND WIND GUSTS OF 30 TO 40 MPH ARE EXPECTED WITH THIS STORM. LAT...LON 3592 8208 3604 8215 3610 8198 3601 8192 MCAVOY
The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 6, 3:33 PM EDT | Special Weather Statement | GSP | Buncombe | 27 min |
| Jul 6, 4:13 PM EDT | Severe Thunderstorm Warning | GSP | Buncombe | 62 min |
| Jul 6, 4:37 PM EDT | Special Weather Statement | GSP | Mitchell | 38 min |
| Jul 6, 4:40 PM EDT | Severe Thunderstorm Warning | GSP | Buncombe, Madison | 65 min |
| Jul 6, 5:05 PM EDT | Special Weather Statement | GSP | Haywood | 25 min |
| Jul 6, 5:35 PM EDT | Areal Flood Advisory | GSP | Mitchell | 115 min |
| Jul 6, 5:41 PM EDT | Severe Thunderstorm Warning | GSP | Haywood | 28 min |
| Jul 6, 5:58 PM EDT | Special Weather Statement | GSP | Avery | 47 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.