Alert archive / North Carolina / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 12, NWS Greenville-Spartanburg, SC

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

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Mar 2, 2012, 7:51 PM EST for Haywood County, Madison County, Yancey County, North Carolina. It was in force for 54 min. 3 reports 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
Mar 2, 2012, 7:51 PM EST (00:51 UTC)
Expired
Mar 2, 2012, 8:45 PM EST
In force
54 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon

Counties Haywood County, NC, Madison County, NC, Yancey County, NC

The radar

The Knoxville radar (KMRX), 78 km from the middle of the area, began a volume at 00:51 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
Mar 2, 8:26 PM ESTHAIL 15 Ne Marshall, NCA HAIL PRODUCING STORM CROSSED MADISON COUNTY WITH THE LARGEST HAIL REPORTED BETWEEN WALNUT AND MARS HILL. SPOTTER HALFWAY BETWEEN THOSE LOCATIONS REPORTED SOUNDED LIKE GOLFBALL...BUT UPON OBSERVING THE HAIL WAS AT LEAST QUARTER SIZED. OTHER REPORTS UP TO NICK
Mar 2, 8:37 PM ESTHAIL 13 Ne Mars Hill, NCQUARTER SIZED HAIL LASTED A FEW MINUTES NEAR YANCEY COUNTY BORDER NOT FAR FROM MARS HILL.
Mar 2, 8:55 PM ESTHAIL 0.75Burnsville, NCDIME SIZED HAIL REPORTED IN BURNSVILLE BY COMMUNICATIONS CENTER.

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 2 storm reports to this severe thunderstorm warning; the first came 35 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Mar 2, 3:19 PM ESTTornado WatchSPC8 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 0.9 hours before the alert went out and 241 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 00:00Z on 2012-03-03Temperature 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 00:00Z on 2012-03-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 442 square meters per square second.1939587897117Sfc1 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
518 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
442 m²/s²
0-3 km storm-relative helicity
585 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.4

Open this sounding in Storm Lab

The text

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

332 
WUUS52 KGSP 030051
SVRGSP
NCC087-115-199-030145-
/O.NEW.KGSP.SV.W.0012.120303T0051Z-120303T0145Z/

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

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

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

* UNTIL 845 PM EST

* AT 750 PM EST...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 7 MILES
  NORTHWEST OF WATERVILLE...OR 11 MILES SOUTH OF NEWPORT...MOVING
  EAST AT 55 MPH.

* LOCATIONS IMPACTED INCLUDE...
  SPRING CREEK...
  HOT SPRINGS...
  ALLENSTAND AND WALNUT...
  WHITEROCK...
  MARS HILL...
  FAUST...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DOPPLER RADAR INDICATES SOME ROTATION ASSOCIATED WITH THIS SEVERE 
THUNDERSTORM. IF IT CONTINUES TO STRENGTHEN...A TORNADO WARNING MAY 
BE ISSUED. REMEMBER...SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO 
PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING.

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.

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 3603 8234 3604 8230 3599 8225 3601 8219
      3595 8219 3591 8215 3588 8215 3570 8325
      3572 8325 3580 8308 3578 8299 3594 8290
      3593 8281 3599 8279 3607 8264 3604 8259
      3597 8260 3596 8256 3608 8242 3608 8235
TIME...MOT...LOC 0050Z 253DEG 48KT 3582 8315

$$

HG
2 follow-up statements
280 
WWUS52 KGSP 030114
SVSGSP

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

NCC087-030123-
/O.CAN.KGSP.SV.W.0012.000000T0000Z-120303T0145Z/
HAYWOOD NC-
814 PM EST FRI MAR 2 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN HAYWOOD COUNTY IS
CANCELLED...

AT 813 PM...THE SEVERE THUNDERSTORM HAD MOVED EAST OF HAYWOOD 
COUNTY. 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 3608 8235 3603 8234 3604 8230 3599 8225
      3601 8219 3595 8219 3591 8215 3588 8215
      3575 8296 3579 8297 3584 8292 3594 8290
      3593 8281 3599 8279 3607 8264 3604 8259
      3597 8260 3596 8256 3598 8251 3608 8242
TIME...MOT...LOC 0113Z 261DEG 52KT 3588 8279

$$

NCC115-199-030145-
/O.CON.KGSP.SV.W.0012.000000T0000Z-120303T0145Z/
MADISON NC-YANCEY NC-
814 PM EST FRI MAR 2 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM EST
FOR NORTHERN YANCEY AND MADISON COUNTIES...

AT 813 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING HALF DOLLAR SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
LOCATED NEAR HOT SPRINGS...OR 11 MILES NORTHWEST OF MARSHALL...MOVING
EAST AT 60 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
WALNUT...ALLENSTAND...WHITEROCK...MARS 
HILL...FAUST...SWISS...RAMSEYTOWN...BURNSVILLE AND MICAVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DOPPLER RADAR CONTINUES TO INDICATE SOME ROTATION ASSOCIATED WITH 
THIS SEVERE THUNDERSTORM. IF IT STRENGTHENS...A TORNADO WARNING MAY 
BE ISSUED. REMEMBER...SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO 
PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING.

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 3608 8235 3603 8234 3604 8230 3599 8225
      3601 8219 3595 8219 3591 8215 3588 8215
      3575 8296 3579 8297 3584 8292 3594 8290
      3593 8281 3599 8279 3607 8264 3604 8259
      3597 8260 3596 8256 3598 8251 3608 8242
TIME...MOT...LOC 0113Z 261DEG 52KT 3588 8279

$$

HG
252 
WWUS52 KGSP 030134
SVSGSP

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

NCC115-199-030145-
/O.CON.KGSP.SV.W.0012.000000T0000Z-120303T0145Z/
MADISON NC-YANCEY NC-
834 PM EST FRI MAR 2 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM EST
FOR NORTHERN YANCEY AND EAST CENTRAL MADISON COUNTIES...

AT 834 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 3 MILES NORTH OF MARS
HILL...OR 9 MILES NORTHEAST OF MARSHALL...MOVING EAST AT 60 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
SWISS...RAMSEYTOWN...BURNSVILLE AND MICAVILLE

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DOPPLER RADAR INDICATES ROTATION ASSOCIATED WITH THIS SEVERE
THUNDERSTORM. IF IT CONTINUES TO STRENGTHEN...A TORNADO WARNING MAY
BE ISSUED. REMEMBER...SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO
PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING.

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 3608 8235 3603 8234 3604 8230 3599 8225
      3601 8219 3594 8219 3591 8215 3588 8215
      3580 8268 3583 8270 3588 8270 3594 8264
      3598 8251 3608 8242
TIME...MOT...LOC 0134Z 260DEG 50KT 3587 8248

$$

HG

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, 7:20 PM EST, 31 minutes earlier.

Area forecast discussion, Mar 2, 7:20 PM EST, 31 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
720 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/...
0020 UTC UPDATE...POPS WERE LOWERED PER RADAR TRENDS FROM THE BLUE
RIDGE EAST..EXCEPT IN THE HART COUNTY AREA OF NE GA.

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 /01Z SATURDAY THROUGH WEDNESDAY/...
AT KCLT...LOW VFR CIG WILL FALL TO MVFR OVERNIGHT IN GUSTY MOIST SW
LOW LEVEL FLOW...AND GUIDANCE SUPPORTS TEMPORARY LIFR NEAR DAWN.
CONVECTION IS EXPECTED TO MOVE INTO THE AREA LATER IN EARLY THIS
EVENING...AND AGAIN LATE TONIGHT AS A COLD FRONT APPROACHES FORM THE
W. WINDS VEER TO NW WITH FRONTAL PASSAGE AFTER DAWN...THEN LOW VFR
CIG RETURNS BY LATE MORNING.

ELSEWHERE...CONVECTION WILL MOVE BETWEEN KGSP AND KAVL FOR THE NEXT
SEVERAL HOURS...WITH ADDITIONAL CONVECTION TO MOVE ACROSS THE
ENTIRE AREA LATER TONIGHT AHEAD OF A COLD FRONT. GUSTY SW WINDS WILL
PREVAIL OVERNIGHT. CIGS FALL TO MVFR BY LATE EVENING...IF NOT
SOONER. GUIDANCE SUPPORTS TEMPORARY LIFR CIGS AT KGSP AND KGMU.
FRONTAL PASSAGE VEERS WINDS TO NW AROUND DAYBREAK...WITH LOW VFR CIG
RETURNING BY MID MORNING.

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...JAT/NED
SHORT TERM...JPT
LONG TERM...JPT
AVIATION...JAT
Hazardous weather outlook, Mar 2, 3:32 PM EST, 4 hours 19 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
332 PM EST FRI MAR 2 2012

GAZ010-017-018-026-028-029-NCZ033-048>053-058-059-062>065-501>510-
SCZ001>014-019-032045-
RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-AVERY-MADISON-YANCEY-
MITCHELL-SWAIN-HAYWOOD-BUNCOMBE-GRAHAM-NORTHERN JACKSON-MACON-
SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON-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-
332 PM EST FRI MAR 2 2012

...TORNADO WATCH 61 IN EFFECT UNTIL 11 PM EST THIS EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA...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.

   TORNADO WATCH.

SCATTERED TO NUMEROUS THUNDERSTORMS WILL AFFECT THE REGION LATE
THIS AFTERNOON 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
THREATS. HOWEVER...THERE WILL ALSO BE A THREAT FOR ISOLATED
TORNADOES.

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

THE THREAT OF SEVERE STORMS WILL LINGER INTO SATURDAY MORNING AS
THE COLD FRONT MOVES OVER THE REGION. THE THREAT WILL LIKELY BE
HIGHEST OVER THE CAROLINA PIEDMONT.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTERS ARE REQUESTED TO FORWARD ANY REPORTS OF LARGE
HAIL...DAMAGING WINDS...TORNADOES OR FLASH FLOODING TO OUR OFFICE.

NCZ035>037-056-057-068>072-082-032045-
ALEXANDER-IREDELL-DAVIE-CATAWBA-ROWAN-CLEVELAND-LINCOLN-GASTON-
MECKLENBURG-CABARRUS-UNION NC-
332 PM EST FRI MAR 2 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PIEDMONT NORTH CAROLINA AND
WESTERN NORTH CAROLINA.

SCATTERED TO NUMEROUS THUNDERSTORMS WILL AFFECT THE REGION LATE
THIS AFTERNOON 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
THREATS. HOWEVER...THERE WILL ALSO BE A THREAT FOR ISOLATED
TORNADOES.

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

THE THREAT OF SEVERE STORMS WILL LINGER INTO SATURDAY MORNING AS
THE COLD FRONT MOVES OVER THE REGION. THE THREAT WILL LIKELY BE
HIGHEST OVER THE CAROLINA PIEDMONT.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTERS ARE REQUESTED TO FORWARD ANY REPORTS OF LARGE
HAIL...DAMAGING WINDS...TORNADOES OR FLASH FLOODING TO OUR OFFICE.

JPT

In the hours before

Special weather statement, Mar 2, 4:25 PM EST, 3 hours 26 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
425 PM EST FRI MAR 2 2012

GAZ018-026-SCZ001-004-022200-
FRANKLIN-GREATER OCONEE-OCONEE MOUNTAINS-STEPHENS-
425 PM EST FRI MAR 2 2012

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN FRANKLIN...SOUTHERN
OCONEE AND STEPHENS COUNTIES THROUGH 500 PM EST...

AT 425 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR EASTANOLEE...OR 4 MILES SOUTHEAST OF
TOCCOA...MOVING NORTHEAST AT 50 MPH.

THIS STORM WILL BE NEAR...
  LAKE HARTWELL...
  WESTMINSTER...
  SENECA...

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

LAT...LON 3459 8338 3483 8290 3479 8288 3474 8290
      3473 8286 3470 8287 3465 8283 3464 8283
      3463 8285 3462 8284 3462 8287 3460 8286
      3443 8328

HG
Special weather statement, Mar 2, 7:00 PM EST, 51 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
700 PM EST FRI MAR 2 2012

NCZ048-051-052-030100-
HAYWOOD-MADISON-SWAIN-
700 PM EST FRI MAR 2 2012

...A SEVERE THUNDERSTORM MAY PASS JUST WEST OF THE STATE LINE FROM
SWAIN TO HAYWOOD TO MADISON COUNTIES BETWEEN 7 AND 8 PM EST...

AT 656 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE AND POSSIBLY TORNADIC THUNDERSTORM OVER BLOUNT COUNTY IN
EASTERN TENNESSEE...NEAR HAPPY VALLEY...OR 9 MILES SOUTH OF
MARYVILLE...MOVING NORTHEAST AT 55 MPH. THIS THUNDERSTORM IS EXPECTED TO
PASS MAINLY WEST OF STATE LINE...BUT IT IS POSSIBLE A WARNING COULD
BE NEEDED FOR HAYWOOD OR MADISON COUNTIES DURING THE NEXT HOUR. EVEN
IF IT STAYS WEST OF THE STATE LINE...WIND GUSTS UP TO 40 MPH WILL BE
POSSIBLE ON THE NORTH CAROLINA SIDE.

LAT...LON 3557 8377 3557 8349 3567 8334 3566 8330
      3573 8324 3573 8319 3577 8315 3580 8308
      3578 8299 3584 8292 3594 8290 3596 8287
      3593 8281 3599 8279 3601 8274 3601 8273
      3574 8265 3573 8267 3547 8371 3552 8388

HG
Special weather statement, Mar 2, 7:35 PM EST, 16 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
735 PM EST FRI MAR 2 2012

NCZ058-059-062-063-030200-
GRAHAM-MACON-NORTHERN JACKSON-SOUTHERN JACKSON-
735 PM EST FRI MAR 2 2012

...SEVERE THUNDERSTORM APPROACHING THE SOUTHWEST MOUNTAINS OF NORTH
CAROLINA...

AT 730 PM...THE NATIONAL WEATHER SERVICE WAS TRACKING A SEVERE
THUNDERSTORM OVER EXTREME SOUTHEAST TENNESSEE. THIS THUNDERSTORM WAS
EXPECTED TO MOVE ACROSS CHEROKEE COUNTY AND PARTS OF CLAY COUNTY. IF
THIS STORM HOLDS TOGETHER...IT WILL REACH MACON COUNTY AROUND 8
PM...AND THE AREA AROUND NANTAHALA LAKE CLOSER TO 815 PM. THE AREA
FROM FRANKLIN TO OTTO MIGHT NOT BE AFFECTED UNTIL 845 PM.

PEOPLE IN MACON...SOUTHERN JACKSON AND SOUTHWESTERN GRAHAM
COUNTIES...INCLUDING THE FOLLOWING LOCATIONS...

NANTAHALA LAKE AND FRANKLIN...

SHOULD MONITOR THE WEATHER SITUATION CLOSELY. LISTEN FOR POSSIBLE
WARNINGS AND BE PREPARED TO TAKE APPROPRIATE ACTION SHOULD SEVERE
WEATHER THREATEN.

IF THE STORM HOLDS TOGETHER...A WARNING WILL BE ISSUED FOR PART OF
THE AREA AROUND 8 PM. LARGE HAIL...DAMAGING WIND...AND POSSIBLY EVEN
A TORNADO CANNOT BE RULED OUT.

LAT...LON 3530 8346 3531 8345 3536 8301 3525 8292
      3500 8311 3500 8353 3503 8354 3515 8366
      3516 8374 3521 8373 3523 8370 3525 8371
      3524 8378 3525 8384 3521 8396 3525 8401

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 2, 7:00 PM ESTSpecial Weather StatementGSPMadison, Swain60 min
Mar 2, 7:35 PM ESTSpecial Weather StatementGSPJackson, Macon85 min
Mar 2, 8:13 PM ESTTornado WarningGSPMacon62 min
Mar 2, 8:44 PM ESTSevere Thunderstorm WarningGSPAvery, Burke, Madison, Mitchell, Yancey50 min
Mar 2, 8:54 PM ESTTornado WarningGSPJackson, Macon, Transylvania39 min
Mar 2, 9:24 PM ESTTornado WarningGSPTransylvania24 min
Mar 2, 9:28 PM ESTTornado WarningGSPMacon, Swain27 min
Mar 2, 10:38 PM ESTSevere Thunderstorm WarningGSPMadison37 min
Mar 2, 11:03 PM ESTSevere Thunderstorm WarningGSPMadison, Mitchell, Yancey42 min
Mar 2, 11:20 PM ESTSpecial Weather StatementGSPHenderson, Transylvania25 min
Mar 2, 11:22 PM ESTSevere Thunderstorm WarningGSPAvery, Mitchell38 min
Mar 3, 12:32 AM ESTSpecial Weather StatementGSPMacon, Transylvania118 min
Mar 3, 3:25 AM ESTSpecial Weather StatementGSPUnion50 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.