Alert archive / North Carolina / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 13, NWS Greenville-Spartanburg, SC

March 2, 20125 counties in North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Mar 2, 2012, 8:44 PM EST for 5 counties in North Carolina. It was in force for 50 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
Mar 2, 2012, 8:44 PM EST (01:44 UTC)
Expired
Mar 2, 2012, 9:34 PM EST
In force
50 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon

Counties Avery County, NC, Burke County, NC, Madison County, NC, Mitchell County, NC, Yancey County, NC

The radar

The Greer radar (KGSP), 121 km from the middle of the area, began a volume at 01:45 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, 8:55 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.

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, 1.7 hours before the alert went out and 189 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°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.

361 
WUUS52 KGSP 030144
SVRGSP
NCC011-023-115-121-199-030245-
/O.NEW.KGSP.SV.W.0013.120303T0144Z-120303T0245Z/

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

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  AVERY COUNTY IN WESTERN NORTH CAROLINA...
  EAST CENTRAL MADISON COUNTY IN WESTERN NORTH CAROLINA...
  MITCHELL COUNTY IN WESTERN NORTH CAROLINA...
  CENTRAL YANCEY COUNTY IN WESTERN NORTH CAROLINA...
  NORTHWESTERN BURKE COUNTY IN WESTERN NORTH CAROLINA...

* UNTIL 945 PM EST

* AT 844 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING HALF DOLLAR SIZE HAIL...
  AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED
  NEAR SWISS...OR 8 MILES WEST OF BURNSVILLE...MOVING EAST AT 50 MPH.

* LOCATIONS IMPACTED INCLUDE...
  BURNSVILLE AND RAMSEYTOWN...
  MICAVILLE AND CELO...
  LEDGER AND BANDANA...
  SPRUCE PINE...
  INGALLS...
  CROSSNORE AND JONAS RIDGE...

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.

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 3611 8180 3607 8173 3597 8180 3593 8178
      3592 8175 3589 8191 3596 8194 3592 8195
      3591 8198 3588 8198 3582 8236 3582 8239
      3581 8247 3597 8252 3615 8182
TIME...MOT...LOC 0144Z 255DEG 45KT 3591 8239

$$

HG
4 follow-up statements
070 
WWUS52 KGSP 030153
SVSGSP

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

NCC115-030203-
/O.CAN.KGSP.SV.W.0013.000000T0000Z-120303T0245Z/
MADISON NC-
853 PM EST FRI MAR 2 2012

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL MADISON COUNTY IS
CANCELLED...

AT 853 PM...NATIONAL WEATHER SERVICE RADAR INDICATED THAT THE SEVERE 
THUNDERSTORM HAD MOVED EAST OF MADISON 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 3611 8180 3607 8173 3597 8180 3593 8178
      3592 8175 3589 8191 3596 8194 3588 8199
      3588 8203 3587 8203 3582 8236 3582 8240
      3597 8246 3615 8182
TIME...MOT...LOC 0153Z 255DEG 42KT 3591 8227

$$

NCC011-023-121-199-030245-
/O.CON.KGSP.SV.W.0013.000000T0000Z-120303T0245Z/
AVERY NC-MITCHELL NC-YANCEY NC-BURKE NC-
853 PM EST FRI MAR 2 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM EST
FOR NORTHWESTERN BURKE...CENTRAL YANCEY...SOUTHERN MITCHELL AND AVERY
COUNTIES...

AT 853 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 BURNSVILLE...MOVING EAST AT 50 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO CELO...
MICAVILLE...BANDANA...LEDGER...BAKERSVILLE...SPRUCE PINE...INGALLS...
MINNEAPOLIS...CROSSNORE...JONAS RIDGE...NEWLAND...LINVILLE...SUGAR
MOUNTAIN AND GRANDFATHER MOUNTAIN

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 3611 8180 3607 8173 3597 8180 3593 8178
      3592 8175 3589 8191 3596 8194 3588 8199
      3588 8203 3587 8203 3582 8236 3582 8240
      3597 8246 3615 8182
TIME...MOT...LOC 0153Z 255DEG 42KT 3591 8227

$$

HG
485 
WWUS52 KGSP 030216
SVSGSP

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

NCC199-030226-
/O.CAN.KGSP.SV.W.0013.000000T0000Z-120303T0245Z/
YANCEY NC-
916 PM EST FRI MAR 2 2012

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL YANCEY COUNTY IS
CANCELLED...

AT 916 PM...NATIONAL WEATHER SERVICE RADAR INDICATED THAT THE SEVERE 
THUNDERSTORM HAD MOVED EAST OF YANCEY 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 3611 8180 3607 8173 3597 8180 3593 8178
      3592 8175 3589 8191 3596 8194 3591 8198
      3588 8199 3587 8211 3589 8214 3606 8213
      3615 8182
TIME...MOT...LOC 0216Z 257DEG 40KT 3594 8204

$$

NCC011-023-121-030245-
/O.CON.KGSP.SV.W.0013.000000T0000Z-120303T0245Z/
AVERY NC-MITCHELL NC-BURKE NC-
916 PM EST FRI MAR 2 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM EST
FOR NORTHWESTERN BURKE...EAST CENTRAL MITCHELL AND SOUTHERN AVERY
COUNTIES...

AT 916 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
LOCATED NEAR SPRUCE PINE...MOVING EAST AT 45 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
INGALLS...CROSSNORE...JONAS RIDGE...NEWLAND...LINVILLE...SUGAR
MOUNTAIN AND GRANDFATHER MOUNTAIN

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 3611 8180 3607 8173 3597 8180 3593 8178
      3592 8175 3589 8191 3596 8194 3591 8198
      3588 8199 3587 8211 3589 8214 3606 8213
      3615 8182
TIME...MOT...LOC 0216Z 257DEG 40KT 3594 8204

$$

HG
003 
WWUS52 KGSP 030228
SVSGSP

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

NCC121-030238-
/O.CAN.KGSP.SV.W.0013.000000T0000Z-120303T0245Z/
MITCHELL NC-
928 PM EST FRI MAR 2 2012

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL MITCHELL COUNTY
IS CANCELLED...

AT 928 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT 
THE SEVERE THUNDERSTORM HAD MOVED EAST OF MITCHELL 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 3615 8182 3611 8180 3607 8173 3597 8180
      3593 8178 3592 8175 3589 8191 3596 8194
      3593 8196 3594 8198 3608 8195
TIME...MOT...LOC 0228Z 257DEG 40KT 3597 8188

$$

NCC011-023-030245-
/O.CON.KGSP.SV.W.0013.000000T0000Z-120303T0245Z/
AVERY NC-BURKE NC-
928 PM EST FRI MAR 2 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM EST
FOR NORTHWESTERN BURKE AND SOUTHEASTERN AVERY COUNTIES...

AT 928 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
LOCATED NEAR JONAS RIDGE...OR 9 MILES SOUTH OF NEWLAND...MOVING EAST
AT 45 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
LINVILLE...SUGAR MOUNTAIN AND GRANDFATHER MOUNTAIN

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DOPPLER RADAR INDICATES 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 3615 8182 3611 8180 3607 8173 3597 8180
      3593 8178 3592 8175 3589 8191 3596 8194
      3593 8196 3594 8198 3608 8195
TIME...MOT...LOC 0228Z 257DEG 40KT 3597 8188

$$

HG
529 
WWUS52 KGSP 030234
SVSGSP

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

NCC011-023-030243-
/O.CAN.KGSP.SV.W.0013.000000T0000Z-120303T0245Z/
AVERY NC-BURKE NC-
934 PM EST FRI MAR 2 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN BURKE AND
SOUTHEASTERN AVERY COUNTIES IS CANCELLED...

AT 933 PM...NATIONAL WEATHER SERVICE RADAR INDICATED THAT THE 
PREVIOUSLY SEVERE THUNDERSTORM HAD WEAKENED BELOW SEVERE LIMITS AND 
WAS MOVING EAST OF AVERY AND BURKE COUNTIES. 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 3615 8182 3611 8180 3607 8173 3597 8180
      3593 8178 3592 8175 3589 8191 3596 8194
      3593 8196 3594 8198 3608 8195
TIME...MOT...LOC 0233Z 257DEG 40KT 3598 8181

$$

HG

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, 7:51 PM ESTSevere Thunderstorm WarningGSPHaywood, Madison, Yancey54 min
Mar 2, 8:13 PM ESTTornado WarningGSPMacon62 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.