Alert archive / North Carolina / Tornado Warnings in 2011

Tornado Warning 1, NWS Raleigh, NC

March 6, 2011Johnston County, Sampson County, Wayne County, North Carolina

NWS Raleigh, NC issued this tornado warning at Mar 6, 2011, 11:33 AM EST for Johnston County, Sampson County, Wayne County, North Carolina. It was in force for 33 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 6, 2011, 11:33 AM EST (16:33 UTC)
Expired
Mar 6, 2011, 12:06 PM EST
In force
33 min
Issued by
NWS Raleigh, NC
Area
Storm-based polygon

Counties Johnston County, NC, Sampson County, NC, Wayne County, NC

The radar

The Raleigh/Durham radar (KRAX), 37 km from the middle of the area, began a volume at 16:33 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

Newport, NC (KMHX), launched 12:00Z, 4.6 hours before the alert went out and 141 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, Newport, NC at 12:00Z on 2011-03-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 54 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Newport, NC at 12:00Z on 2011-03-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 159 square meters per square second.193958Sfc1 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
54 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
562 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
159 m²/s²
0-3 km storm-relative helicity
241 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.

960 
WFUS52 KRAH 061633
TORRAH
NCC101-163-191-061730-
/O.NEW.KRAH.TO.W.0001.110306T1633Z-110306T1730Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE RALEIGH NC
1133 AM EST SUN MAR 6 2011

THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A

* TORNADO WARNING FOR...
  NORTH CENTRAL SAMPSON COUNTY IN CENTRAL NORTH CAROLINA
  WESTERN WAYNE COUNTY IN CENTRAL NORTH CAROLINA
  EASTERN JOHNSTON COUNTY IN CENTRAL NORTH CAROLINA

* UNTIL 1230 PM EST

* AT 1129 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO OVER HOBBTON...OR 11 MILES NORTH OF CLINTON...MOVING NORTH
  AT 40 MPH.

* LOCATIONS IMPACTED INCLUDE...
  PINE LEVEL...PRINCETON...
  MICRO...
  KENLY...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER. IF NO SHELTER IS
AVAILABLE LIE DOWN IN A LOW LYING AREA. PROTECT YOURSELF FROM FLYING
DEBRIS.

PLEASE REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE BY
CALLING...1...8 7 7...6 3 3...6 7 7 2 OR NOTIFY YOUR LOCAL LAW
ENFORCEMENT AGENCY.

&&

LAT...LON 3518 7846 3571 7825 3567 7816 3560 7812
      3558 7807 3560 7806 3556 7800 3513 7825
      3510 7831 3514 7842
TIME...MOT...LOC 1633Z 200DEG 35KT 3520 7834

$$

MWS
4 follow-up statements
451 
WWUS52 KRAH 061636
SVSRAH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
1136 AM EST SUN MAR 6 2011

NCC101-163-191-061730-
/O.CON.KRAH.TO.W.0001.000000T0000Z-110306T1730Z/
SAMPSON NC-WAYNE NC-JOHNSTON NC-
1136 AM EST SUN MAR 6 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1230 PM EST FOR EASTERN
JOHNSTON...WESTERN WAYNE AND NORTH CENTRAL SAMPSON COUNTIES...

AT 1133 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR HOBBTON...OR 14
MILES NORTH OF CLINTON...MOVING NORTH AT 40 MPH.

HAZARDS IN THE WARNING INCLUDE...
A TORNADO.
OTHER DAMAGING WINDS IN EXCESS OF 58 MPH.

LOCATIONS IN THE PATH OF THE STORM INCLUDE...INTERSTATE 40 BETWEEN 
MILE MARKERS 341 AND 348 IN NORTHERN SAMPSON COUNTY...NEWTON 
GROVE...GRANTHAM... PRINCETON...PINE LEVEL...SELMA...NAHUNTA...MICRO 
AND KENLY.

WHEN IT IS SAFE TO DO SO...PLEASE CALL IN YOUR REPORTS OF PENNY OR
LARGER SIZED HAIL...AS WELL AS WIND DAMAGE...INCLUDING TREES OR LARGE
LIMBS DOWNED BY CALLING THE NATIONAL WEATHER SERVICE TOLL FREE AT...
1...8 7 7...6 3 3...6 7 7 2.

LAT...LON 3517 7840 3522 7844 3571 7825 3567 7816
      3560 7812 3558 7807 3560 7806 3556 7800
      3516 7823 3513 7829
TIME...MOT...LOC 1635Z 200DEG 35KT 3522 7833

$$

MWS
194 
WWUS52 KRAH 061650
SVSRAH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
1150 AM EST SUN MAR 6 2011

NCC163-061700-
/O.CAN.KRAH.TO.W.0001.000000T0000Z-110306T1730Z/
SAMPSON NC-
1150 AM EST SUN MAR 6 2011

...THE TORNADO WARNING FOR NORTH CENTRAL SAMPSON COUNTY IS
CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA AND 
THE WARNING IS NO LONGER IN EFFECT. 

IF YOU OBSERVED SEVERE WEATHER INCLUDING DAMAGING WINDS OR LARGE
HAIL...PLEASE CONTACT THE NATIONAL WEATHER SERVICE BY CALLING TOLL
FREE 1...8 7 7...6 3 3...6 7 7 2...OR NOTIFY YOUR NEAREST LAW
ENFORCEMENT AGENCY AND ASK THEM TO RELAY YOUR REPORT TO THE NATIONAL
WEATHER SERVICE FORECAST OFFICE IN RALEIGH.

LAT...LON 3529 7819 3530 7830 3536 7839 3571 7825
      3567 7816 3565 7815 3560 7812 3559 7809
      3558 7807 3560 7806 3558 7803 3557 7802
TIME...MOT...LOC 1650Z 200DEG 35KT 3536 7827

$$

NCC101-191-061730-
/O.CON.KRAH.TO.W.0001.000000T0000Z-110306T1730Z/
WAYNE NC-JOHNSTON NC-
1150 AM EST SUN MAR 6 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1230 PM EST FOR EASTERN
JOHNSTON AND NORTHWESTERN WAYNE COUNTIES...

AT 1148 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED 11 MILES SOUTHWEST OF
PRINCETON...OR 12 MILES SOUTH OF SMITHFIELD...MOVING NORTH AT 40 MPH.

HAZARDS IN THE WARNING INCLUDE...
A TORNADO.
OTHER DAMAGING WINDS IN EXCESS OF 58 MPH.

LOCATIONS IN THE PATH OF THE STORM INCLUDE... PINE LEVEL...SELMA...
NAHUNTA...MICRO AND KENLY.

WHEN IT IS SAFE TO DO SO...PLEASE CALL IN YOUR REPORTS OF PENNY OR
LARGER SIZED HAIL...AS WELL AS WIND DAMAGE...INCLUDING TREES OR LARGE
LIMBS DOWNED BY CALLING THE NATIONAL WEATHER SERVICE TOLL FREE AT...
1...8 7 7...6 3 3...6 7 7 2.

LAT...LON 3529 7819 3530 7830 3536 7839 3571 7825
      3567 7816 3565 7815 3560 7812 3559 7809
      3558 7807 3560 7806 3558 7803 3557 7802
TIME...MOT...LOC 1650Z 200DEG 35KT 3536 7827

$$

MWS
108 
WWUS52 KRAH 061701
SVSRAH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
1201 PM EST SUN MAR 6 2011

NCC191-061711-
/O.CAN.KRAH.TO.W.0001.000000T0000Z-110306T1730Z/
WAYNE NC-
1201 PM EST SUN MAR 6 2011

...THE TORNADO WARNING FOR NORTHWESTERN WAYNE COUNTY IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA AND 
THE WARNING IS NO LONGER IN EFFECT.

IF YOU OBSERVED SEVERE WEATHER INCLUDING DAMAGING WINDS OR LARGE
HAIL...PLEASE CONTACT THE NATIONAL WEATHER SERVICE BY CALLING TOLL
FREE 1...8 7 7...6 3 3...6 7 7 2...OR NOTIFY YOUR NEAREST LAW
ENFORCEMENT AGENCY AND ASK THEM TO RELAY YOUR REPORT TO THE NATIONAL
WEATHER SERVICE FORECAST OFFICE IN RALEIGH.

LAT...LON 3538 7819 3542 7835 3571 7825 3566 7816
      3560 7812 3559 7808 3558 7807
TIME...MOT...LOC 1701Z 200DEG 35KT 3546 7822

$$

NCC101-061730-
/O.CON.KRAH.TO.W.0001.000000T0000Z-110306T1730Z/
JOHNSTON NC-
1201 PM EST SUN MAR 6 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1230 PM EST FOR EASTERN
JOHNSTON COUNTY...

AT 1157 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR PRINCETON...OR 8
MILES SOUTHEAST OF SMITHFIELD...MOVING NORTH AT 40 MPH.

LOCATIONS IN THE PATH OF THE STORM INCLUDE... PINE LEVEL...SELMA...
MICRO AND KENLY.

WHEN IT IS SAFE TO DO SO...PLEASE CALL IN YOUR REPORTS OF PENNY OR
LARGER SIZED HAIL...AS WELL AS WIND DAMAGE...INCLUDING TREES OR LARGE
LIMBS DOWNED BY CALLING THE NATIONAL WEATHER SERVICE TOLL FREE AT...
1...8 7 7...6 3 3...6 7 7 2.

LAT...LON 3538 7819 3542 7835 3571 7825 3566 7816
      3560 7812 3559 7808 3558 7807
TIME...MOT...LOC 1701Z 200DEG 35KT 3546 7822

$$

MWS
477 
WWUS52 KRAH 061706
SVSRAH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
1206 PM EST SUN MAR 6 2011

NCC101-061716-
/O.CAN.KRAH.TO.W.0001.000000T0000Z-110306T1730Z/
JOHNSTON NC-
1206 PM EST SUN MAR 6 2011

...THE TORNADO WARNING FOR EASTERN JOHNSTON COUNTY IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND THE WARNING IS 
NO LONGER IN EFFECT.

IF YOU OBSERVED SEVERE WEATHER INCLUDING DAMAGING WINDS OR LARGE 
HAIL...PLEASE CONTACT THE NATIONAL WEATHER SERVICE BY CALLING TOLL 
FREE 1...8 7 7...6 3 3...6 7 7 2...OR NOTIFY YOUR NEAREST LAW 
ENFORCEMENT AGENCY AND ASK THEM TO RELAY YOUR REPORT TO THE NATIONAL 
WEATHER SERVICE FORECAST OFFICE IN RALEIGH.

LAT...LON 3538 7819 3542 7835 3571 7825 3566 7816
      3560 7812 3559 7808 3558 7807
TIME...MOT...LOC 1706Z 200DEG 35KT 3551 7820

$$

MWS

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 6, 11:08 AM ESTSpecial Weather StatementRAHSampson52 min
Mar 6, 11:23 AM ESTSevere Thunderstorm WarningRAHJohnston, Sampson, Wayne43 min
Mar 6, 12:53 PM ESTSpecial Weather StatementRAHFranklin37 min
Mar 6, 1:26 PM ESTSevere Thunderstorm WarningRAHHalifax19 min
Mar 6, 1:38 PM ESTSpecial Weather StatementRAHScotland67 min
Mar 6, 2:23 PM ESTSpecial Weather StatementRAHAlamance, Chatham, Orange, Person52 min
Mar 6, 2:39 PM ESTSpecial Weather StatementRAHAnson, Montgomery, Moore, Richmond51 min
Mar 6, 3:22 PM ESTSpecial Weather StatementRAHHarnett53 min
Mar 6, 3:35 PM ESTSpecial Weather StatementRAHCumberland55 min
Mar 6, 3:37 PM ESTSpecial Weather StatementRAHChatham, Cumberland, Harnett, Hoke, Lee, Moore and 2 more83 min
Mar 6, 4:23 PM ESTSpecial Weather StatementRAHJohnston52 min
Mar 6, 4:31 PM ESTSpecial Weather StatementRAHVance59 min
Mar 6, 4:57 PM ESTSpecial Weather StatementRAHSampson33 min
Mar 6, 5:01 PM ESTSpecial Weather StatementRAHSampson29 min
Mar 6, 5:11 PM ESTSpecial Weather StatementRAHEdgecombe, Franklin, Halifax, Johnston, Nash, Warren and 1 more64 min
Mar 6, 5:40 PM ESTSevere Thunderstorm WarningRAHFranklin, Halifax, Warren50 min
Mar 6, 5:47 PM ESTSevere Thunderstorm WarningRAHEdgecombe, Franklin, Halifax, Nash43 min
Mar 6, 5:57 PM ESTSevere Thunderstorm WarningRAHWayne, Wilson46 min
Mar 6, 6:09 PM ESTTornado WarningRAHEdgecombe, Wayne, Wilson51 min
Mar 6, 6:32 PM ESTSpecial Weather StatementRAHEdgecombe, Halifax58 min

Nearby

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