Alert archive / North Carolina / Tornado Warnings in 2011

Tornado Warning 31, NWS Wilmington, NC

September 6, 2011Robeson County, North Carolina

NWS Wilmington, NC issued this tornado warning at Sep 6, 2011, 7:23 PM EDT for Robeson County, North Carolina. It was in force for 37 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: Sep 6, 2011, 7:23 PM EDT (23:23 UTC)
Expired: Sep 6, 2011, 8:00 PM EDT
In force: 37 min
Issued by: NWS Wilmington, NC
Area: Storm-based polygon

County Robeson County, NC

The radar

The Raleigh/Durham radar (KRAX), 106 km from the middle of the area, began a volume at 23:25 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
Sep 6, 7:41 PM EDT	TSTM WND DMG	Rennert, NC	SHERIFFS OFFICE REPORTS MULTIPLE TREES DOWN AND SEVERAL BUILDINGS DAMAGED ALONG WEST GREAT MARSH CHURCH ROAD DUE TO A POSSIBLE TORNADO. TIME ESTIMATED BASED OFF RADAR.

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
Sep 6, 1:32 PM EDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 11.4 hours before the alert went out and 157 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: 1434 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 515 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 246 m²/s²
0-3 km storm-relative helicity: 274 m²/s²
Significant tornado parameter: 1.9
Supercell composite: 11.1

Open this sounding in Storm Lab

The text

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

379 
WFUS52 KILM 062323
TORILM
NCC155-070000-
/O.NEW.KILM.TO.W.0031.110906T2323Z-110907T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE WILMINGTON NC
723 PM EDT TUE SEP 6 2011

THE NATIONAL WEATHER SERVICE IN WILMINGTON NC HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN ROBESON COUNTY IN SOUTHEAST NORTH CAROLINA

* UNTIL 800 PM EDT

* AT 723 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR BUIE...OR
  ABOUT 7 MILES SOUTHEAST OF RED SPRINGS...MOVING NORTH AT 25 MPH.

* SOME LOCATIONS IN THE WARNING INCLUDE...
   RED SPRINGS...
   SHANNON...
   REX...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

GET UNDER A TABLE OR OTHER PIECE OF STURDY FURNITURE. SEEK SHELTER ON
THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH
AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS
STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EDT TUESDAY EVENING
FOR SOUTHEAST NORTH CAROLINA AND NORTHEAST SOUTH CAROLINA.

&&

PLEASE REPORT HAIL...DOWNED TREES OR DAMAGING WINDS TO THE NATIONAL
WEATHER SERVICE IN WILMINGTON NC...TOLL FREE AT 877-633-6772...WHEN
YOU CAN DO SO SAFELY.

LAT...LON 3492 7897 3489 7892 3465 7905 3471 7925
      3484 7921 3485 7918 3496 7903
TIME...MOT...LOC 2324Z 199DEG 23KT 3474 7913

$$

DCH

2 follow-up statements

621 
WWUS52 KILM 062337
SVSILM

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON NC
737 PM EDT TUE SEP 6 2011

NCC155-070000-
/O.CON.KILM.TO.W.0031.000000T0000Z-110907T0000Z/
ROBESON NC-
737 PM EDT TUE SEP 6 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM EDT FOR NORTH
CENTRAL ROBESON COUNTY...

AT 732 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS 
TORNADO WAS LOCATED NEAR RENNERT...OR 5 MILES EAST OF RED 
SPRINGS...MOVING NORTH NORTHEAST AT 25 MPH.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO...
   REX...
   LUMBER BRIDGE...
   PARKTON...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EDT TUESDAY EVENING
FOR SOUTHEAST NORTH CAROLINA AND NORTHEAST SOUTH CAROLINA.

&&

PLEASE REPORT HAIL...DOWNED TREES OR DAMAGING WINDS TO THE NATIONAL
WEATHER SERVICE IN WILMINGTON NC...TOLL FREE AT 877-633-6772...WHEN
YOU CAN DO SO SAFELY.

LAT...LON 3478 7921 3486 7915 3496 7903 3492 7897
      3489 7892 3470 7902
TIME...MOT...LOC 2336Z 199DEG 23KT 3481 7910

$$

DCH

249 
WWUS52 KILM 070000
SVSILM

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON NC
800 PM EDT TUE SEP 6 2011

NCC155-070010-
/O.EXP.KILM.TO.W.0031.000000T0000Z-110907T0000Z/
ROBESON NC-
800 PM EDT TUE SEP 6 2011

...THE TORNADO WARNING FOR NORTH CENTRAL ROBESON COUNTY HAS
EXPIRED...

AT 759 PM EDT...THE TORNADO WHICH PROMPTED THE WARNING HAS MOVED OUT
OF THE WARNED AREA...THUS THE TORNADO WARNING WAS ALLOWED TO EXPIRE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EDT TUESDAY EVENING
FOR SOUTHEAST NORTH CAROLINA AND NORTHEAST SOUTH CAROLINA.

PLEASE REPORT HAIL...DOWNED TREES OR DAMAGING WINDS TO THE NATIONAL
WEATHER SERVICE IN WILMINGTON NC...TOLL FREE AT 877-633-6772...WHEN
YOU CAN DO SO SAFELY.

LAT...LON 3478 7921 3486 7915 3496 7903 3492 7897
      3489 7892 3470 7902
TIME...MOT...LOC 2337Z 199DEG 23KT 3482 7910

$$

DCH

The office that day

Everything else NWS Wilmington, NC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Sep 6, 1:09 PM EDT	Special Weather Statement	ILM	Robeson	36 min
Sep 6, 1:38 PM EDT	Special Weather Statement	ILM	Columbus	67 min
Sep 6, 1:47 PM EDT	Special Weather Statement	ILM	Bladen	28 min
Sep 6, 3:33 PM EDT	Special Weather Statement	ILM	Brunswick, Columbus	57 min
Sep 6, 4:09 PM EDT	Severe Thunderstorm Warning	ILM	Robeson	51 min
Sep 6, 4:28 PM EDT	Special Weather Statement	ILM	New Hanover, Pender	62 min
Sep 6, 4:35 PM EDT	Special Weather Statement	ILM	Robeson	25 min
Sep 6, 4:51 PM EDT	Severe Thunderstorm Warning	ILM	Brunswick, New Hanover, Pender	24 min
Sep 6, 5:15 PM EDT	Special Weather Statement	ILM	Robeson	15 min
Sep 6, 5:32 PM EDT	Special Weather Statement	ILM	Pender	58 min
Sep 6, 6:39 PM EDT	Special Weather Statement	ILM	Robeson	51 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.