Alert archive / North Carolina / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 21, NWS Greenville-Spartanburg, SC

March 15, 2012Burke County, Caldwell County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Mar 15, 2012, 1:28 PM EDT for Burke County, Caldwell County, North Carolina. It was in force for 46 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 15, 2012, 1:28 PM EDT (17:28 UTC)
Expired: Mar 15, 2012, 2:14 PM EDT
In force: 46 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Storm-based polygon

Counties Burke County, NC, Caldwell County, NC

The radar

The Greer radar (KGSP), 124 km from the middle of the area, began a volume at 17:29 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.

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 5.5 hours before the alert went out and 148 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 3 J/kg
Mixed-layer CIN: -130 J/kg
Mixed-layer LCL: 2031 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 0 m²/s²
0-3 km storm-relative helicity: 29 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.

814 
WUUS52 KGSP 151728
SVRGSP
NCC023-027-151830-
/O.NEW.KGSP.SV.W.0021.120315T1728Z-120315T1830Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
128 PM EDT THU MAR 15 2012

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN BURKE COUNTY IN WESTERN NORTH CAROLINA...
  SOUTHERN CALDWELL COUNTY IN WESTERN NORTH CAROLINA...

* UNTIL 230 PM EDT

* AT 126 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
  COLLETTSVILLE...OR 10 MILES WEST OF LENOIR...AND MOVING SOUTHEAST
  AT 15 MPH.

* THE SEVERE THUNDERSTORM WILL IMPACT LOCATIONS NEAR...
  COLLETTSVILLE.
  GAMEWELL.
  LENOIR.
  HUDSON.
  LAKE RHODHISS AND VALDESE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS SEVERE THUNDERSTORM IS ALSO PRODUCING EXTREMELY HEAVY RAINFALL.
FLOODING OF DRAINAGE DITCHES AND LOW LYING AREAS MAY OCCUR. DO NOT 
DRIVE THROUGH AREAS WHERE WATER IS FLOWING OVER THE ROAD. 
ALSO...EXPECT SUDDEN RISES ON WILSON CREEK WITH THIS STORM.

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 3584 8134 3582 8134 3561 8152 3591 8186
      3605 8173
TIME...MOT...LOC 1727Z 310DEG 13KT 3592 8172

$$

ARK

2 follow-up statements

630 
WWUS52 KGSP 151803
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
203 PM EDT THU MAR 15 2012

NCC023-027-151830-
/O.CON.KGSP.SV.W.0021.000000T0000Z-120315T1830Z/
CALDWELL NC-BURKE NC-
203 PM EDT THU MAR 15 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EAST CENTRAL
BURKE AND SOUTHEASTERN CALDWELL COUNTIES UNTIL 230 PM EDT...

AT 201 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 LAKE
RHODHISS...OR 6 MILES SOUTH OF LENOIR...MOVING SOUTHEAST AT 20 MPH.

THE SEVERE THUNDERSTORM WILL IMPACT LOCATIONS NEAR...
  LAKE RHODHISS AND VALDESE.
  CONNELLY SPRINGS AND RUTHERFORD COLLEGE.
  GRANITE FALLS.
  ICARD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS SEVERE THUNDERSTORM IS ALSO PRODUCING EXTREMELY HEAVY RAINFALL.
FLOODING OF DRAINAGE DITCHES AND LOW LYING AREAS MAY OCCUR. DO NOT
DRIVE THROUGH AREAS WHERE WATER IS FLOWING OVER THE ROAD.

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 8171 3595 8154 3584 8134 3582 8134
      3561 8152
TIME...MOT...LOC 1804Z 302DEG 18KT 3582 8154

$$

ARK

046 
WWUS52 KGSP 151814
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
214 PM EDT THU MAR 15 2012

NCC023-027-151825-
/O.CAN.KGSP.SV.W.0021.000000T0000Z-120315T1830Z/
CALDWELL NC-BURKE NC-
214 PM EDT THU MAR 15 2012

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL BURKE AND
SOUTHEASTERN CALDWELL COUNTIES IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LEVELS.  HOWEVER GUSTY WINDS AND HEAVY RAIN ARE STILL POSSIBLE WITH
THIS THUNDERSTORM.

LAT...LON 3578 8171 3595 8154 3584 8134 3582 8134
      3561 8152
TIME...MOT...LOC 1815Z 302DEG 18KT 3579 8148

$$

ARK

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 15, 9:27 AM EDT	Special Weather Statement	GSP	Swain	48 min
Mar 15, 11:35 AM EDT	Special Weather Statement	GSP	Avery	25 min
Mar 15, 11:36 AM EDT	Special Weather Statement	GSP	McDowell	24 min
Mar 15, 12:34 PM EDT	Special Weather Statement	GSP	Avery	41 min
Mar 15, 12:47 PM EDT	Special Weather Statement	GSP	McDowell	43 min
Mar 15, 12:55 PM EDT	Severe Thunderstorm Warning	GSP	Burke, McDowell, Mitchell	65 min
Mar 15, 1:13 PM EDT	Special Weather Statement	GSP	Caldwell	47 min
Mar 15, 2:05 PM EDT	Special Weather Statement	GSP	McDowell	40 min
Mar 15, 2:41 PM EDT	Special Weather Statement	GSP	Catawba, Lincoln	49 min
Mar 15, 2:44 PM EDT	Special Weather Statement	GSP	Haywood	46 min
Mar 15, 3:14 PM EDT	Special Weather Statement	GSP	Buncombe	46 min
Mar 15, 3:31 PM EDT	Severe Thunderstorm Warning	GSP	Buncombe, Madison	59 min
Mar 15, 4:17 PM EDT	Severe Thunderstorm Warning	GSP	Buncombe, Madison, Yancey	58 min
Mar 15, 4:27 PM EDT	Special Weather Statement	GSP	Henderson	63 min
Mar 15, 4:40 PM EDT	Severe Thunderstorm Warning	GSP	Henderson, Transylvania	65 min
Mar 15, 4:51 PM EDT	Special Weather Statement	GSP	Avery, Mitchell	39 min
Mar 15, 4:59 PM EDT	Severe Thunderstorm Warning	GSP	Buncombe, Madison	46 min
Mar 15, 5:18 PM EDT	Special Weather Statement	GSP	Swain	42 min
Mar 15, 5:19 PM EDT	Severe Thunderstorm Warning	GSP	Madison	41 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2012 Every 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.