Alert archive / North Carolina / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 331, NWS Greenville-Spartanburg, SC

July 5, 20124 counties in North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 5, 2012, 3:18 PM EDT for 4 counties in North Carolina. It was in force for 57 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
Jul 5, 2012, 3:18 PM EDT (19:18 UTC)
Expired
Jul 5, 2012, 4:15 PM EDT
In force
57 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon

Counties Buncombe County, NC, Henderson County, NC, McDowell County, NC, Rutherford County, NC

The radar

The Greer radar (KGSP), 84 km from the middle of the area, began a volume at 19:20 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
Jul 5, 3:25 PM EDTTSTM WND DMGLake Lure, NCMULTIPLE TREES DOWN ACROSS THE LAKE LURE AREA.

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
Jul 5, 1:37 PM EDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 7.3 hours before the alert went out and 217 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 2012-07-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1093 joules per kilogram.LCLLFCEL10008507005003002001001 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 2012-07-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 square meters per square second.1939Sfc1 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
1093 J/kg
Mixed-layer CIN
-94 J/kg
Mixed-layer LCL
1766 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
27 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.

592 
WUUS52 KGSP 051918
SVRGSP
NCC021-089-111-161-052015-
/O.NEW.KGSP.SV.W.0331.120705T1918Z-120705T2015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
318 PM EDT THU JUL 5 2012

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN BUNCOMBE COUNTY IN WESTERN NORTH CAROLINA...
  NORTHEASTERN HENDERSON COUNTY IN WESTERN NORTH CAROLINA...
  SOUTHWESTERN MCDOWELL COUNTY IN WESTERN NORTH CAROLINA...
  WEST CENTRAL RUTHERFORD COUNTY IN WESTERN NORTH CAROLINA...

* UNTIL 415 PM EDT

* AT 316 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
  BLACK MOUNTAIN...OR 14 MILES WEST OF MARION...AND MOVING SOUTH AT 5
  MPH.

* THE SEVERE THUNDERSTORM WILL IMPACT LOCATIONS NEAR...
    OLD FORT AND BLACK MOUNTAIN

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 3573 8217 3541 8212 3540 8239 3570 8237
      3572 8228 3570 8226 3572 8222
TIME...MOT...LOC 1918Z 348DEG 4KT 3562 8226

$$

MCAVOY
1 follow-up statement
404 
WWUS52 KGSP 051944
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
344 PM EDT THU JUL 5 2012

NCC021-089-111-161-052015-
/O.CON.KGSP.SV.W.0331.000000T0000Z-120705T2015Z/
BUNCOMBE NC-HENDERSON NC-MCDOWELL NC-RUTHERFORD NC-
344 PM EDT THU JUL 5 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR WEST CENTRAL
RUTHERFORD...SOUTHWESTERN MCDOWELL...NORTHEASTERN HENDERSON AND
SOUTHEASTERN BUNCOMBE COUNTIES UNTIL 415 PM EDT...

AT 339 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF
60 MPH.  THIS STORM WAS LOCATED NEAR OLD FORT...OR 13 MILES SOUTHWEST
OF MARION...MOVING SOUTH AT 10 MPH. ANOTHER STORM CAPABLE OF 
PRODUCING DAMAGING WINDS WAS LOCATED TWO MILES NORTHWEST OF LAKE 
LURE. THIS STORM WAS ALSO DRIFTING TO THE SOUTH.

THE SEVERE THUNDERSTORM WILL IMPACT LOCATIONS NEAR...
  CHIMNEY ROCK...BAT CAVE AND LAKE LURE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DAMAGING WINDS AND HAIL THE SIZE OF ****EDIT SIZE**** ARE BEING
REPORTED WITH THIS STORM. SEEK SHELTER INSIDE AN INTERIOR ROOM.

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 3573 8217 3541 8212 3540 8239 3570 8237
      3572 8228 3570 8226 3572 8222
TIME...MOT...LOC 1943Z 005DEG 8KT 3559 8222

$$

MCAVOY

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 5, 1:17 PM EDTSevere Thunderstorm WarningGSPAlexander, Davie, Iredell53 min
Jul 5, 1:32 PM EDTSpecial Weather StatementGSPMcDowell43 min
Jul 5, 2:58 PM EDTSevere Thunderstorm WarningGSPBurke45 min
Jul 5, 3:06 PM EDTSpecial Weather StatementGSPMcDowell39 min
Jul 5, 3:09 PM EDTSevere Thunderstorm WarningGSPCatawba, Lincoln66 min
Jul 5, 3:56 PM EDTSpecial Weather StatementGSPTransylvania34 min
Jul 5, 4:02 PM EDTSevere Thunderstorm WarningGSPGaston51 min
Jul 5, 4:07 PM EDTSevere Thunderstorm WarningGSPCleveland, Rutherford53 min
Jul 5, 4:10 PM EDTSevere Thunderstorm WarningGSPBurke, Caldwell65 min
Jul 5, 4:24 PM EDTSevere Thunderstorm WarningGSPAvery, Mitchell, Yancey66 min
Jul 5, 4:26 PM EDTSevere Thunderstorm WarningGSPTransylvania64 min
Jul 5, 4:36 PM EDTSevere Thunderstorm WarningGSPMadison54 min
Jul 5, 4:39 PM EDTSevere Thunderstorm WarningGSPJackson, Macon, Transylvania66 min
Jul 5, 4:48 PM EDTSevere Thunderstorm WarningGSPMcDowell57 min
Jul 5, 4:50 PM EDTSevere Thunderstorm WarningGSPIredell42 min
Jul 5, 4:55 PM EDTSevere Thunderstorm WarningGSPCleveland65 min
Jul 5, 5:23 PM EDTSevere Thunderstorm WarningGSPHaywood, Swain67 min
Jul 5, 5:32 PM EDTSevere Thunderstorm WarningGSPBuncombe46 min
Jul 5, 5:37 PM EDTSpecial Weather StatementGSPUnion53 min
Jul 5, 5:43 PM EDTSevere Thunderstorm WarningGSPCleveland, Lincoln, Polk, Rutherford62 min
Jul 5, 5:51 PM EDTSevere Thunderstorm WarningGSPHaywood, Jackson, Macon54 min
Jul 5, 5:54 PM EDTSevere Thunderstorm WarningGSPUnion66 min
Jul 5, 6:10 PM EDTSevere Thunderstorm WarningGSPGraham, Macon, Swain65 min
Jul 5, 6:26 PM EDTSevere Thunderstorm WarningGSPHaywood, Henderson, Transylvania64 min
Jul 5, 6:43 PM EDTSevere Thunderstorm WarningGSPSwain47 min
Jul 5, 6:55 PM EDTSevere Thunderstorm WarningGSPJackson, Macon, Transylvania80 min
Jul 5, 7:00 PM EDTSevere Thunderstorm WarningGSPUnion45 min
Jul 5, 7:17 PM EDTAreal Flood AdvisoryGSPUnion2 hr

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.