Alert archive / North Carolina / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 11, NWS Greenville-Spartanburg, SC

March 2, 2012Buncombe County, Haywood County, Madison County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Mar 2, 2012, 3:14 PM EST for Buncombe County, Haywood County, Madison County, North Carolina. It was in force for 23 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
Mar 2, 2012, 3:14 PM EST (20:14 UTC)
Expired
Mar 2, 2012, 3:37 PM EST
In force
23 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon

Counties Buncombe County, NC, Haywood County, NC, Madison County, NC

The radar

The Knoxville radar (KMRX), 63 km from the middle of the area, began a volume at 20:15 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, 8.2 hours before the alert went out and 270 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 2012-03-02Temperature 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 2012-03-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 141 square meters per square second.1939587897117136Sfc1 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
2084 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
141 m²/s²
0-3 km storm-relative helicity
234 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.

843 
WUUS52 KGSP 022014
SVRGSP
NCC021-087-115-022115-
/O.NEW.KGSP.SV.W.0011.120302T2014Z-120302T2115Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
314 PM EST FRI MAR 2 2012

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN BUNCOMBE COUNTY IN WESTERN NORTH CAROLINA...
  NORTHERN HAYWOOD COUNTY IN WESTERN NORTH CAROLINA...
  MADISON COUNTY IN WESTERN NORTH CAROLINA...

* UNTIL 415 PM EST

* AT 309 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DESTRUCTIVE WINDS IN
  EXCESS OF 70 MPH.  THIS STORM WAS LOCATED 7 MILES SOUTHWEST OF
  WATERVILLE...OR 15 MILES NORTHWEST OF WAYNESVILLE...MOVING
  NORTHEAST AT 60 MPH.

* LOCATIONS IMPACTED INCLUDE...
  WATERVILLE AND COVE CREEK...
  LUCK...
  SPRING CREEK...CANTO AND HOT SPRINGS...
  WALNUT AND MARSHALL...
  FAUST AND MARS HILL...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PEOPLE IN THE PATH OF THIS SEVERE THUNDERSTORM 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 3596 8257 3598 8251 3591 8249 3590 8246
      3582 8241 3554 8315 3560 8318 3563 8317
      3564 8320 3567 8318 3572 8325 3573 8321
      3580 8307 3578 8299 3586 8292 3599 8261
TIME...MOT...LOC 2013Z 246DEG 54KT 3569 8309

$$
LG
1 follow-up statement
844 
WWUS52 KGSP 022037
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
337 PM EST FRI MAR 2 2012

NCC021-087-115-022047-
/O.CAN.KGSP.SV.W.0011.000000T0000Z-120302T2115Z/
BUNCOMBE NC-HAYWOOD NC-MADISON NC-
337 PM EST FRI MAR 2 2012

...THE SEVERE THUNDERSTORM WARNING FOR MADISON...NORTHERN HAYWOOD AND
NORTHWESTERN BUNCOMBE COUNTIES IS CANCELLED...

THE STORM THAT PROMPTED THE WARNING HAS WEAKENED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM EST FRIDAY EVENING
FOR NORTHEAST GEORGIA AND WESTERN NORTH CAROLINA AND CENTRAL SOUTH
CAROLINA.

LAT...LON 3596 8257 3598 8251 3591 8249 3590 8246
      3582 8241 3554 8315 3560 8318 3563 8317
      3564 8320 3567 8318 3572 8325 3573 8321
      3580 8307 3578 8299 3586 8292 3599 8261
TIME...MOT...LOC 2037Z 246DEG 54KT 3583 8268

$$
LG

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 2, 2:42 PM EST, 32 minutes earlier.

Area forecast discussion, Mar 2, 2:42 PM EST, 32 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
242 PM EST FRI MAR 2 2012

.SYNOPSIS...
A STRONG COLD FRONT WILL CROSS THE REGION TONIGHT AND MOVE OFF THE
ATLANTIC COAST BY SATURDAY AFTERNOON. A SHORTWAVE TROUGH WILL SWEEP
ACROSS THE NORTH RESULTING IN WINTRY WEATHER OVER THE NC MOUNTAINS
LATE SUNDAY INTO EARLY MONDAY. HIGH PRESSURE WILL BUILD OVER THE
REGION LATE MONDAY AND LINGER INTO NEXT MID WEEK.

&&

.NEAR TERM /THROUGH SATURDAY/...
A WELL ORGANIZED LOW PRESSURE SYSTEM WILL TRACK FROM THE MID
MISSISSIPPI RIVER VALLEY THIS AFTERNOON TO THE GREAT LAKES REGION BY
THIS EVENING. THE WARM FRONT ASSOCIATED WITH THE LOW...AT 19Z
LOCATED ACROSS THE NRN SC UPSTATE...WILL LIFT NORTHWARD ACROSS THE
SOUTHERN APPALACHIAN REGION TODAY...MOVING NORTH OF THE REGION BY
LATE THIS AFTERNOON EARLY THIS EVENING. AS THE WARM FRONT
ADVANCES...SOUTHWEST WINDS WILL INCREASE ACROSS THE
REGION...BRINGING VERY MILD AND MOIST AIR ACROSS NORTHEAST GEORGIA
AND THE WESTERN CAROLINAS. CONDITIONS ACROSS THE REGION WILL BECOME
INCREASINGLY UNSTABLE THIS AFTERNOON...ESPECIALLY ACROSS THE WESTERN
NORTH CAROLINA MOUNTAINS EAST ACROSS THE UPPER SAVANNAH RIVER
VALLEY.

FORECAST SOUNDINGS SOUTH OF THE WARM FROM THIS AFTERNOON INDICATE
THAT SFC BASED CAPES WILL RANGE BETWEEN 1000/1500 J/KG WITH
EFFECTIVE HELICITY RANGING FROM 200 TO 300 M2/S2. HOWEVER...CIN
VALUES REMAIN IN THE DOUBLE DIGITS THROUGH THE AFTERNOON...LIKELY
YIELDING ONLY LIGHT COVERAGE EAST OF THE MTNS UNDER BROAD MID LEVEL
RIDGING. THE ENVIRONMENT WILL LIKELY MAINTAIN ANY CONVECTIVE
ELEMENTS THAT DEVELOP UPSTREAM OF THE CWA...MUCH LIKE THE CURRENT
ACTIVITY ACROSS EXTREME WESTERN NC. COVERAGE WILL LIKELY STEADILY
INCREASE THIS EVENING AND OVERNIGHT WITH THE APPROACH OF A SHARP
COLD FRONT. THE HELICITY VALUES INCREASE TO 300 TO 500 M2/S2 ACROSS
NE GA AND THE WESTERN CAROLINAS...BUT CAPE VALUES WILL LIKELY
DIMINISH AND BECOME INCREASINGLY LIMITED TO AREAS ALONG THE FRONT.
BASED ON THE OVERLAP OF HIGH SHEAR AND INSTABILITY IT APPEARS THAT
BANDS OF SUPERCELLS MAY DEVELOP OVER EASTERN TN AND NRN GA AND TRACK
NE INTO THE WESTERN CAROLINAS AND NE GA THIS EVENING. 4 KM WRF DOES
SHOW A COUPLE OF THE CELLS REMAINING DISCRETE ALONG WITH BANDS OF
TSRA AROUND 2Z. FROPA BETWEEN 3Z TO 12Z...SHOULD SUPPORT LINEAR TSRA
ALONG THE FRONT AS IT MOVES EAST. IT APPEARS THAT SEVERE AND
POSSIBLY TORNADIC TSRAS ARE MOST LIKELY ACROSS THE WESTERN NC
MTNS...NE GA...AND THE UPSTATE SC COUNTIES. THE
THREAT...TIMING...AND STORM MODE IS HIGHLIGHTED IN A SPS AND HWO. I
WILL TIME CATE POPS WITH SVR TSRA IN THE FORECAST ACROSS THE FAVORED
AREAS.

SATURDAY...HIGH RES WRF INDICATES THAT CONVECTION WILL MAKE STEADY
PROGRESS EAST AFTER SUNRISE...WITH DRYING ACROSS THE MTNS AND
FOOTHILLS. POPS WILL STEADILY BECOME LIMITED TO THE PIEDMONT AREAS
AROUND MID DAY...WITH DRY IN THE AFTERNOON.

TEMPERATURE FORECAST WILL REMAIN CHALLENGING WITH THE PASSAGE OF
WARM AND COLD FRONT THROUGH THE NEAR TERM. TEMPERATURES WILL REMAIN
WELL ABOVE NORMAL THROUGH THE PERIOD.

&&

.SHORT TERM /SATURDAY NIGHT THROUGH TUESDAY/...
AS OF 230 PM FRIDAY...THE SHORT TERM FCST PICKS UP AT 00Z ON SUNDAY
WITH THE DEEP UPPER TROF JUST TO OUR WEST. THE TROF WILL LIFT NE
THRU THE DAY ON SUNDAY AND A SECOND LOBE OF PVA WILL PASS OVER THE
AREA ON MONDAY. HEIGHTS WILL BEGIN TO RISE BY THE END OF THE PERIOD
AS UPPER RIDGING PUSHES INTO THE REGION.

ON SUNDAY...THE COLD FRONT IS EXPECTED TO BE JUST TO OUR SE BY 00Z
SUNDAY WITH W TO NWLY FLOW SPREADING OVER THE REGION IN ITS WAKE.
THE MODELS INDICATE THAT SOME SORT OF SFC MESO LOW WILL DEVELOP OVER
THE CAROLINA COAST EARLY SUN AND QUICKLY MOVE NE AND AWAY FROM THE
REGION LATER IN THE DAY. ANOTHER WEAK SFC LOW IS THEN EXPECTED TO
BRING ANOTHER SWATH OF MOIST AIR OVER THE NORTHERN PART OF THE CWFA
EARLY MONDAY. A STRONG SFC RIDGE WILL FINALLY PUSH INTO THE AREA BY
MONDAY EVENING AND DRY THINGS OUT.

&&

.LONG TERM /TUESDAY NIGHT THROUGH FRIDAY/...
AS OF 1 PM FRIDAY...THE MEDIUM RANGE FCST PICKS UP AT 00Z ON TUESDAY
WITH THE SHARP UPPER TROF MOVING OFF THE EASTERN SEABOARD AND UPPER
RIDGING BUILDING OVER THE SE CONUS. THE LONG RANGE MODELS INDICATE
THAT SOME DEGREE OF UPPER RIDGING WILL PERSIST OVER THE AREA THRU
MOST OF THE PERIOD...HOWEVER THE GFS CONTINUES TO MOVE ANOTHER UPPER
TROF TO OUR DOORSTEP BY EARLY THURSDAY WHILE THE ECMWF IS MUCH
SLOWER WITH THE TROFS PROGRESSION.

AT THE SFC...DRY HIGH PRESSURE WILL BE CENTERED OVER THE FCST AREA
BY EARLY TUESDAY. OVER THE NEXT DAY OR TWO THE HIGH WILL SLIDE
EASTWARD AND OFFSHORE RESULTING IN SOUTHERLY LOW LVL FLOW OVER THE
SE CONUS. THE MODELS ARE GENERATING SOME SORT OF ELONGATED LOW LVL
CONVERGENCE ZONE ASSOCIATED WITH A FRONTAL ZONE LATE IN THE PERIOD.
THE MODELS HAVE THIS FRONTAL ZONE APPROACHING THE CWFA BY LATE THURS
WITH THE 12Z GFS BEING ABOUT 12HRS FASTER THEN THE ECMWF. AS FOR THE
SENSIBLE FCST...I DO NOT HAVE ANY SIG POPS UNTIL THE LATTER PORTION
OF THURSDAY WITH THE APPROACH OF THE FRONT. I HAVE TEMPS STEADILY
RISING THRU THE PERIOD...WITH HIGHS NEAR 70 DEGREES BY DAY 7.

&&

.AVIATION /20Z FRIDAY THROUGH WEDNESDAY/...
AT KCLT...LATEST SATELLITE PRODUCTS AND OBSERVATIONS IN AND AROUND
THE KCLT TERMINAL AREA INDICATE SOLID IFR CEILINGS WITH PATCHES OF
IFR FOG AND DRIZZLE SE OF THE TERMINAL NEAR A WARM FRONT. BASED ON
SATELLITE TRENDS IT APPEARS THAT IFR CONDITIONS MAY REMAIN UNTIL
20Z. MVFR CEILINGS WILL LIKELY REMAIN INTO THE EVENING HOURS...THEN
INCREASE SW WINDS WILL MIX AND ALLOW A PERIOD OF LATE EVENING VFR
CEILINGS. A BROAD BAND OF SHRA/TSRA WILL SWEEP TOWARD THE TERMINAL
BETWEEN 3Z TO 5Z...THEN MOVING ACROSS THE TERMINAL WITH LIKELY IFR
CEILINGS BETWEEN 5Z TO 13Z. CONDITIONS WILL GRADUALLY IMPROVE AFTER
13Z WITH WINDS VEERING NW.

ELSEWHERE...AT 18Z...A WARM FRONT WAS RUNNING WEST TO EAST ACROSS
THE UPSTATE....DRIFTING NORTHWARD WITH TIME. MVFR TO IFR CEILINGS
WILL EXIST IN THE VICINITY OF THE FRONT. MVFR CEILINGS WILL LIKELY
REMAIN INTO THE EVENING HOURS...THEN INCREASE SW WINDS WILL MIX AND
ALLOW A PERIOD OF LATE EVENING VFR CEILINGS. A BROAD BAND OF
SHRA/TSRA WILL SWEEP TOWARD THE TERMINAL BETWEEN 2Z TO 6Z...THEN
MOVING ACROSS THE TERMINAL WITH LIKELY IFR CEILINGS BETWEEN 5Z TO
13Z. CONDITIONS WILL GRADUALLY IMPROVE AFTER 13Z WITH WINDS VEERING
NW.

OUTLOOK...DRY WEATHER WILL INCREASE THROUGH THE WEEKEND.

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...JOH
NEAR TERM...NED
SHORT TERM...JPT
LONG TERM...JPT
AVIATION...NED
Hazardous weather outlook, Mar 2, 5:16 AM EST, 9 hours 58 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
516 AM EST FRI MAR 2 2012

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-082-501>510-SCZ001>014-019-031030-
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-
516 AM EST FRI MAR 2 2012

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

.DAY ONE...TODAY AND TONIGHT.

SCATTERED TO NUMEROUS THUNDERSTORMS WILL AFFECT THE REGION TODAY
AND TONIGHT AHEAD OF A STRONG COLD FRONT. THERE IS A GOOD
CHANCE THAT SOME OF THESE STORMS WILL BECOME SEVERE. LARGE HAIL
AND DAMAGING STRAIGHT LINE WINDS WILL BE THE MAIN SEVERE THREAT.
HOWEVER...THERE WILL ALSO BE A THREAT FOR ISOLATED TORNADOES.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

THE THREAT OF SEVERE STORMS MAY ALSO LINGER INTO SATURDAY...
PARTICULARLY OVER THE CAROLINA PIEDMONT...DEPENDING ON THE SPEED
OF THE COLD FRONT.

.SPOTTER INFORMATION STATEMENT...

NONE.

In the hours before

Special weather statement, Mar 2, 11:14 AM EST, 4 hours before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1114 AM EST FRI MAR 2 2012

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-082-501>510-SCZ001>014-019-031200-
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-
INCLUDING THE CITIES OF...CLAYTON...CLARKESVILLE...TOCCOA...
HARTWELL...ELBERTON...NEWLAND...STATESVILLE...MOCKSVILLE...
SPRUCE PINE...CHEROKEE...BRYSON CITY...WAYNESVILLE...ASHEVILLE...
HICKORY...SALISBURY...SYLVA...FRANKLIN...BREVARD...
HENDERSONVILLE...SHELBY...LINCOLNTON...GASTONIA...CHARLOTTE...
CONCORD...MONROE...LENOIR...MORGANTON...MARION...LAKE LURE...
RUTHERFORD...COLUMBUS...GREENVILLE...SPARTANBURG...GAFFNEY...
ROCK HILL...ANDERSON...ABBEVILLE...LAURENS...UNION...CHESTER...
GREENWOOD
1114 AM EST FRI MAR 2 2012

...SEVERE THUNDERSTORMS EXPECTED ACROSS NORTHEAST GEORGIA AND THE
WESTERN CAROLINAS THROUGH TONIGHT...

A WELL ORGANIZED LOW PRESSURE SYSTEM WILL TRACK FROM THE MID
MISSISSIPPI RIVER VALLEY THIS AFTERNOON TO THE GREAT LAKES REGION
BY THIS EVENING. THE WARM FRONT ASSOCIATED WITH THE LOW WILL LIFT
NORTHWARD ACROSS THE SOUTHERN APPALACHIAN REGION TODAY...MOVING
NORTH OF THE REGION BY LATE THIS AFTERNOON. AS THE WARM FRONT
ADVANCES...SOUTHWEST WINDS WILL INCREASE ACROSS THE REGION...BRINGING
VERY MILD AND MOIST AIR ACROSS NORTHEAST GEORGIA AND THE WESTERN
CAROLINAS. CONDITIONS ACROSS THE REGION WILL BECOME INCREASINGLY
UNSTABLE THIS AFTERNOON...ESPECIALLY ACROSS THE WESTERN NORTH
CAROLINA MOUNTAINS EAST ACROSS THE UPPER SAVANNAH RIVER VALLEY.
NUMEROUS TO SCATTERED THUNDERSTORMS ARE FORECAST TO DEVELOP
THROUGH THE AFTERNOON HOURS...WITH THE GREATEST COVERAGE EXPECTED
ACROSS THE MOUNTAINS AND ADJACENT FOOTHILLS. A FEW OF THESE STORMS MAY
PRODUCE LARGE HAIL ALONG WITH DAMAGING WIND GUSTS.

DURING THE EVENING...BANDS OF ORGANIZED THUNDERSTORMS ARE FORECAST
TO DEVELOP ACROSS EASTERN TENNESSEE AND NORTHERN GEORGIA AHEAD OF
AN APPROACHING SHARP COLD FRONT. THESE STORMS WILL DEVELOP IN AN
ENVIRONMENT THAT WILL LIKELY SUPPORT STRONG ROTATING THUNDERSTORMS
UPDRAFTS...OR SUPERCELL THUNDERSTORMS. ONCE THESE BANDS OF STORMS
DEVELOP...THE STEERING WINDS WILL CARRY THESE STORMS INTO WESTERN
NORTH CAROLINA...EXTREME NORTHEAST GEORGIA...AND THE UPSTATE OF
SOUTH CAROLINA THIS EVENING. THESE STORMS WILL LIKELY PRODUCE
LARGE HAIL...SEVERE WIND GUSTS...AND THE RISK OF TORNADOES.

AFTER MIDNIGHT THROUGH SUNRISE...THUNDERSTORMS SHOULD BECOME
INCREASING ORIENTED ALONG THE COLD FRONT. THE STORM STRUCTURE IS
EXPECTED TO ORGANIZE INTO LINES...ESPECIALLY ALONG AND EAST OF THE
INTERSTATE 85 CORRIDOR. THESE STORMS WILL MOVE QUICKLY EAST AND
MAY PRODUCE SWATHS OF DAMAGING WINDS...MARGINALLY SEVERE
HAIL...AND POSSIBLY A BRIEF TORNADO. THE SEVERE THREAT WILL COME
TO AN END AS THE FRONT SWEEPS EAST OF THE REGION AROUND SUNRISE.

NED
Special weather statement, Mar 2, 11:16 AM EST, 3 hours 58 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1116 AM EST FRI MAR 2 2012

NCZ036-037-057-021700-
DAVIE-IREDELL-ROWAN-
1116 AM EST FRI MAR 2 2012

...A STRONG THUNDERSTORM WILL AFFECT DAVIE...EASTERN IREDELL AND
NORTHWESTERN ROWAN COUNTIES THROUGH NOON EST...

AT 1114 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 7 MILES EAST OF STATESVILLE...MOVING NORTHEAST AT
50 MPH.

THIS STORM WILL BE NEAR...
  HARMONY...
  COOLEEMEE...
  MOCKSVILLE...
  FARMINGTON...
  ADVANCE...

BRIEF HEAVY RAIN WITH DIME SIZE HAIL 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 3588 8041 3585 8038 3582 8047 3577 8046
      3570 8072 3585 8092 3606 8065 3605 8049
      3607 8046 3601 8041 3599 8041 3596 8037
      3589 8036

JOH
Local storm report, Mar 2, 11:18 AM EST, 3 hours 56 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1118 AM EST FRI MAR 02 2012

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1115 AM     HAIL             STATESVILLE             35.79N 80.89W
03/02/2012  E0.75 INCH       IREDELL            NC   TRAINED SPOTTER

&&

LGABRIC
Local storm report, Mar 2, 11:20 AM EST, 3 hours 54 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1120 AM EST FRI MAR 02 2012

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1116 AM     HAIL             2 E STATESVILLE         35.79N 80.85W
03/02/2012  E0.75 INCH       IREDELL            NC   TRAINED SPOTTER

&&

LGABRIC
Local storm report, Mar 2, 12:01 PM EST, 3 hours 13 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1201 PM EST FRI MAR 02 2012

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1130 AM     HAIL             MOCKSVILLE              35.90N 80.56W
03/02/2012  E1.50 INCH       DAVIE              NC   POST OFFICE

&&

LG
Special weather statement, Mar 2, 1:09 PM EST, 2 hours 5 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
109 PM EST FRI MAR 2 2012

NCZ051-058-021845-
GRAHAM-SWAIN-
109 PM EST FRI MAR 2 2012

...TORNADIC THUNDERSTORM MOVING TOWARD FAR WESTERN NORTH CAROLINA...

A POTENTIALLY TORNADIC THUNDERSTORM WILL IMPACT GRAHAM COUNTY AND
POSSIBLY SWAIN COUNTY BETWEEN 2 PM AND 3 PM EST. A THUNDERSTORM WITH
A HISTORY OF PRODUCING TORNADOES WAS LOCATED NORTHEAST OF
CHATTANOOGA IN CLEVELAND COUNTY TENNESSEE AT 1 PM AND WAS MOVING
EAST AROUND 55 MPH. THIS RATE OF MOVEMENT WILL BRING THE STORM INTO
GRAHAM COUNTY IN FAR WESTERN NORTH CAROLINA AROUND 2 PM EST.

IF YOU LIVE IN GRAHAM AND SWAIN COUNTIES...YOU SHOULD BEGIN MAKING
PLANS TO MOVE TO A TORNADO SAFE ROOM OR BASEMENT. BASEMENTS OFFER
THE BEST PROTECTION FROM TORNADOES. IF YOU DO NOT HAVE ACCESS TO A
BASEMENT...AN INTERIOR ROOM OF YOUR HOME SUCH AS A BATHROOM ARE
BEST. MOBILE HOMES SHOULD BE EVACUATED IN FAVOR OF WELL CONSTRUCTED
BUILDINGS...PREFERABLY WITH A BASEMENT.

BE ALERT FOR POSSIBLE TORNADO WARNINGS BY 2 PM WITH MORE DETAILED
INFORMATION CONTAINING THE MOST LIKELY TRACK.

LAT...LON 3537 8401 3539 8401 3555 8361 3534 8345
      3529 8381 3522 8399 3529 8403 3531 8404
      3536 8404

LG

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 2, 6:43 AM ESTSpecial Weather StatementGSPGaston32 min
Mar 2, 8:02 AM ESTSpecial Weather StatementGSPUnion43 min
Mar 2, 8:52 AM ESTSpecial Weather StatementGSPGaston38 min
Mar 2, 9:36 AM ESTSpecial Weather StatementGSPUnion39 min
Mar 2, 9:38 AM ESTSpecial Weather StatementGSPUnion52 min
Mar 2, 10:03 AM ESTSpecial Weather StatementGSPCatawba, Cleveland, Lincoln42 min
Mar 2, 10:49 AM ESTSpecial Weather StatementGSPAlexander, Catawba, Davie, Iredell41 min
Mar 2, 11:16 AM ESTSpecial Weather StatementGSPDavie44 min
Mar 2, 11:23 AM ESTSevere Thunderstorm WarningGSPDavie, Iredell, Rowan24 min
Mar 2, 1:09 PM ESTSpecial Weather StatementGSPGraham36 min
Mar 2, 1:38 PM ESTTornado WarningGSPGraham, Swain52 min
Mar 2, 2:29 PM ESTTornado WarningGSPGraham, Swain52 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.