Alert archive / North Carolina / Tornado Warnings in 2011

Tornado Warning 9, NWS Greenville-Spartanburg, SC

April 5, 2011Burke County, Cleveland County, Rutherford County, North Carolina

NWS Greenville-Spartanburg, SC issued this tornado warning at Apr 5, 2011, 12:28 AM EDT for Burke County, Cleveland County, Rutherford County, North Carolina. It was in force for 32 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: Apr 5, 2011, 12:28 AM EDT (04:28 UTC)
Expired: Apr 5, 2011, 1:00 AM EDT
In force: 32 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Storm-based polygon

Counties Burke County, NC, Cleveland County, NC, Rutherford County, NC

The radar

The Greer radar (KGSP), 97 km from the middle of the area, began a volume at 04:29 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 watch it was issued in

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

Issued	Product	Office	Lasted
Apr 4, 9:45 PM EDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 4.5 hours before the alert went out and 163 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2364 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 144 m²/s²
0-3 km storm-relative helicity: 291 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.

856 
WFUS52 KGSP 050428
TORGSP
NCC023-045-161-050500-
/O.NEW.KGSP.TO.W.0009.110405T0428Z-110405T0500Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1228 AM EDT TUE APR 5 2011

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN CLEVELAND COUNTY IN THE PIEDMONT OF NORTH CAROLINA...
  SOUTHEASTERN BURKE COUNTY IN WESTERN NORTH CAROLINA...
  NORTHEASTERN RUTHERFORD COUNTY IN WESTERN NORTH CAROLINA...

* UNTIL 100 AM EDT

* AT 1224 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 11 MILES WEST OF
  CASAR...OR 15 MILES NORTHEAST OF RUTHERFORDTON...MOVING EAST AT 50
  MPH.

* LOCATIONS IMPACTED INCLUDE...
  CASAR...
  PLEASANT GROVE...
  ICARD...
  HILDEBRAN...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOBILE HOMES AND VEHICLES SHOULD BE ABANDONED FOR STURDIER SHELTER.
OTHERWISE...GO TO AN INTERIOR ROOM ON THE LOWEST LEVEL OF YOUR HOME
OR PLACE OF BUSINESS. MAKE SURE THERE ARE AS MANY WALLS AND FLOORS
BETWEEN YOU AND THE OUTSIDE AS POSSIBLE.

TORNADOES WHICH OCCUR AFTER DARK ARE ESPECIALLY DANGEROUS. PEOPLE IN
THE WARNED AREA SHOULD PREPARE IMMEDIATELY FOR THIS TORNADO. MOBILE
HOMES AND VEHICLES SHOULD BE ABANDONED FOR STURDIER SHELTER.
OTHERWISE...GO TO AN INTERIOR ROOM ON THE LOWEST LEVEL OF YOUR HOME
OR PLACE OF BUSINESS.

TO REPORT TORNADOES...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 3576 8138 3561 8149 3557 8153 3555 8151
      3552 8151 3550 8150 3548 8181 3555 8184
      3559 8183 3564 8184
TIME...MOT...LOC 0428Z 252DEG 43KT 3555 8175

$$
MCAVOY

1 follow-up statement

336 
WWUS52 KGSP 050455
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1255 AM EDT TUE APR 5 2011

NCC023-045-161-050504-
/O.EXP.KGSP.TO.W.0009.000000T0000Z-110405T0500Z/
CLEVELAND NC-RUTHERFORD NC-BURKE NC-
1255 AM EDT TUE APR 5 2011

...THE TORNADO WARNING FOR SOUTHEASTERN BURKE...NORTHEASTERN 
RUTHERFORD AND NORTHWESTERN CLEVELAND COUNTIES WILL BE ALLOWED TO 
EXPIRE AT 1 AM...

THE STORM THAT PROMPTED THE TORNADO WARNING HAS BECOME DISORGANIZED 
AND NO LONGER SHOWS TORNADIC SIGNATURES.

LAT...LON 3576 8138 3561 8149 3557 8153 3555 8151
      3552 8151 3550 8150 3548 8181 3555 8184
      3559 8183 3564 8184
TIME...MOT...LOC 0454Z 252DEG 43KT 3565 8139

$$
MCAVOY

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 4, 9:50 PM EDT	Severe Thunderstorm Warning	GSP	Graham, Swain	55 min
Apr 4, 9:55 PM EDT	Areal Flood Advisory	GSP	Graham	4 hr
Apr 4, 10:14 PM EDT	Severe Thunderstorm Warning	GSP	Jackson, Macon	61 min
Apr 4, 10:42 PM EDT	Severe Thunderstorm Warning	GSP	Buncombe, Haywood, Madison, Swain	63 min
Apr 4, 11:06 PM EDT	Severe Thunderstorm Warning	GSP	Henderson, Jackson, Macon, Transylvania	54 min
Apr 4, 11:25 PM EDT	Severe Thunderstorm Warning	GSP	Avery, Buncombe, Burke, Caldwell, McDowell, Madison and 2 more	65 min
Apr 4, 11:43 PM EDT	Severe Thunderstorm Warning	GSP	Buncombe, Burke, Caldwell, Henderson, McDowell, Polk and 1 more	62 min
Apr 4, 11:52 PM EDT	Tornado Warning	GSP	Buncombe, Henderson, McDowell, Rutherford	38 min
Apr 4, 11:59 PM EDT	Severe Thunderstorm Warning	GSP	Polk	46 min
Apr 5, 12:22 AM EDT	Severe Thunderstorm Warning	GSP	Alexander, Burke, Caldwell, Catawba	53 min
Apr 5, 12:46 AM EDT	Severe Thunderstorm Warning	GSP	Cleveland, Gaston, Polk, Rutherford	59 min
Apr 5, 1:12 AM EDT	Severe Thunderstorm Warning	GSP	Burke, Catawba, Cleveland, Iredell, Lincoln	63 min
Apr 5, 1:14 AM EDT	Severe Thunderstorm Warning	GSP	Alexander, Davie, Iredell	61 min
Apr 5, 1:21 AM EDT	Severe Thunderstorm Warning	GSP	Cleveland, Gaston, Lincoln, Mecklenburg	54 min
Apr 5, 1:29 AM EDT	Tornado Warning	GSP	Catawba, Lincoln	27 min
Apr 5, 1:44 AM EDT	Severe Thunderstorm Warning	GSP	Catawba, Davie, Iredell, Rowan	61 min
Apr 5, 1:53 AM EDT	Severe Thunderstorm Warning	GSP	Cabarrus, Mecklenburg, Union	67 min
Apr 5, 4:08 AM EDT	Frost Advisory	GSP	Alexander, Burke, Cabarrus, Caldwell, Catawba, Cleveland and 10 more	29 hr
Apr 5, 4:08 AM EDT	Freeze Warning	GSP	Avery, Buncombe, Burke, Caldwell, Graham, Haywood and 11 more	29 hr

Nearby

Tornado Warnings in North Carolina, 2011 Every tornado warning in 2011 Tornadoes in 2011

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.