Alert archive / North Carolina / Tornado Warnings in 2011

Tornado Warning 27, NWS Greenville-Spartanburg, SC

April 28, 20114 counties in North Carolina

NWS Greenville-Spartanburg, SC issued this tornado warning at Apr 28, 2011, 2:03 AM EDT for 4 counties in North Carolina. It was in force for 42 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: Apr 28, 2011, 2:03 AM EDT (06:03 UTC)
Expired: Apr 28, 2011, 2:45 AM EDT
In force: 42 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Storm-based polygon

Counties Buncombe County, NC, Henderson County, NC, Polk County, NC, Rutherford County, NC

The radar

The Greer radar (KGSP), 46 km from the middle of the area, began a volume at 06:03 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

Time	Report	Where	Remark
Apr 28, 2:20 AM EDT	TSTM WND DMG	4 Ne Dana, NC	TREES AND POWER LINES DOWN

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.

Issued	Product	Office	Lasted
Apr 27, 6:52 PM EDT	Tornado Watch PDS	SPC	9 hr
Apr 28, 12:56 AM EDT	Tornado Watch	SPC	4 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 6.1 hours before the alert went out and 245 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: 2272 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 766 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 233 m²/s²
0-3 km storm-relative helicity: 271 m²/s²
Significant tornado parameter: 3.5
Supercell composite: 14.4

Open this sounding in Storm Lab

The text

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

661 
WFUS52 KGSP 280603
TORGSP
NCC021-089-149-161-280645-
/O.NEW.KGSP.TO.W.0027.110428T0603Z-110428T0645Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
203 AM EDT THU APR 28 2011

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN BUNCOMBE COUNTY IN WESTERN NORTH CAROLINA...
  HENDERSON COUNTY IN WESTERN NORTH CAROLINA...
  THIS INCLUDES THE CITY OF HENDERSONVILLE...
  NORTHWESTERN POLK COUNTY IN WESTERN NORTH CAROLINA...
  WEST CENTRAL RUTHERFORD COUNTY IN WESTERN NORTH CAROLINA...

* UNTIL 245 AM EDT

* AT 159 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 7 MILES WEST OF
  TUXEDO...OR 9 MILES SOUTHWEST OF HENDERSONVILLE...MOVING NORTHEAST
  AT 45 MPH.

* LOCATIONS IMPACTED INCLUDE...
  TUXEDO...
  FLAT ROCK AND EAST FLAT ROCK...
  DANA...
  EDNEYVILLE...
  BAT CAVE AND LAKE ADGER...
  LAKE LURE AND CHIMNEY ROCK...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3536 8206 3519 8238 3521 8238 3520 8241
      3518 8243 3515 8253 3516 8255 3514 8257
      3523 8261 3530 8262 3537 8257 3556 8226
TIME...MOT...LOC 0603Z 233DEG 41KT 3524 8251

$$

BSH

2 follow-up statements

997 
WWUS52 KGSP 280616
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
216 AM EDT THU APR 28 2011

NCC021-089-149-161-280645-
/O.CON.KGSP.TO.W.0027.000000T0000Z-110428T0645Z/
BUNCOMBE NC-HENDERSON NC-POLK NC-RUTHERFORD NC-
216 AM EDT THU APR 28 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 245 AM EDT FOR WEST
CENTRAL RUTHERFORD...NORTHWESTERN POLK...EASTERN HENDERSON AND
SOUTHEASTERN BUNCOMBE COUNTIES...

AT 211 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR DANA...OR NEAR
HENDERSONVILLE...MOVING NORTHEAST AT 50 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
EDNEYVILLE...LAKE ADGER...BAT CAVE...CHIMNEY ROCK AND LAKE LURE

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO THE TORNADO THREAT...DAMAGING HAIL TO THE SIZE OF 
GOLF BALLS WILL PRECEDE THE TORNADO. WIND DRIVEN HAIL OF THIS SIZE 
POSES A SIGNIFICANT RISK OF INJURY AND DAMAGE. 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.

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.

&&

LAT...LON 3521 8235 3540 8252 3556 8226 3536 8206
TIME...MOT...LOC 0616Z 233DEG 43KT 3534 8235

$$

BSH

910 
WWUS52 KGSP 280636
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
236 AM EDT THU APR 28 2011

NCC021-089-149-161-280646-
/O.EXP.KGSP.TO.W.0027.000000T0000Z-110428T0645Z/
BUNCOMBE NC-HENDERSON NC-POLK NC-RUTHERFORD NC-
236 AM EDT THU APR 28 2011

...THE TORNADO WARNING FOR WEST CENTRAL RUTHERFORD...NORTHWESTERN
POLK...EASTERN HENDERSON AND SOUTHEASTERN BUNCOMBE COUNTIES WILL
EXPIRE AT 245 AM EDT...

THE STORM THAT PROMPTED THE WARNING HAS MOVED OUT OF THE AREA AND A 
NEW TORNADO WARNING HAS BEEN ISSUED INTO THE FOOTHILLS.

LAT...LON 3521 8235 3540 8252 3556 8226 3536 8206
TIME...MOT...LOC 0636Z 233DEG 43KT 3547 8210

$$

BSH

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 27, 10:43 PM EDT	Tornado Warning	GSP	Macon	47 min
Apr 27, 11:22 PM EDT	Tornado Warning	GSP	Haywood, Jackson, Macon, Transylvania	38 min
Apr 28, 12:04 AM EDT	Tornado Warning	GSP	Jackson, Macon	41 min
Apr 28, 12:41 AM EDT	Tornado Warning	GSP	Haywood, Jackson, Macon, Transylvania	34 min
Apr 28, 12:54 AM EDT	Tornado Warning	GSP	Jackson, Macon, Transylvania	51 min
Apr 28, 1:17 AM EDT	Special Weather Statement	GSP	Buncombe, Burke, McDowell	43 min
Apr 28, 1:31 AM EDT	Tornado Warning	GSP	Henderson, Transylvania	44 min
Apr 28, 2:26 AM EDT	Tornado Warning	GSP	Buncombe, Burke, Henderson, McDowell, Polk, Rutherford	49 min
Apr 28, 2:56 AM EDT	Tornado Warning	GSP	Alexander, Burke, Caldwell, Catawba, McDowell	64 min
Apr 28, 5:26 AM EDT	Special Weather Statement	GSP	Caldwell	34 min
Apr 28, 5:51 AM EDT	Special Weather Statement	GSP	Burke	24 min
Apr 28, 5:55 AM EDT	Special Weather Statement	GSP	Burke	35 min
Apr 28, 6:04 AM EDT	Severe Thunderstorm Warning	GSP	Alexander, Burke, Caldwell, Catawba	29 min

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.