Alert archive / North Carolina / Tornado Warnings in 2011

Tornado Warning 35, NWS Newport/Morehead City, NC

April 28, 2011Dare County, Tyrrell County, Washington County, North Carolina

NWS Newport/Morehead City, NC issued this tornado warning at Apr 28, 2011, 6:23 PM EDT for Dare County, Tyrrell County, Washington County, North Carolina. It was in force for 37 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 28, 2011, 6:23 PM EDT (22:23 UTC)
Expired: Apr 28, 2011, 7:00 PM EDT
In force: 37 min
Issued by: NWS Newport/Morehead City, NC
Area: Storm-based polygon

Counties Dare County, NC, Tyrrell County, NC, Washington County, NC

The radar

The Norfolk radar (KAKQ), 140 km from the middle of the area, began a volume at 22:24 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 28, 2:41 PM EDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Newport, NC (KMHX), launched 12:00Z, 10.4 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-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: 1638 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 502 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 227 m²/s²
0-3 km storm-relative helicity: 220 m²/s²
Significant tornado parameter: 1.0
Supercell composite: 6.8

Open this sounding in Storm Lab

The text

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

682 
WFUS52 KMHX 282223
TORMHX
NCC055-177-187-282300-
/O.NEW.KMHX.TO.W.0035.110428T2223Z-110428T2300Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC
623 PM EDT THU APR 28 2011

THE NATIONAL WEATHER SERVICE IN NEWPORT HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN TYRRELL COUNTY IN EASTERN NORTH CAROLINA
  EXTREME EAST CENTRAL WASHINGTON COUNTY IN EASTERN NORTH CAROLINA
  EXTREME NORTH CENTRAL DARE COUNTY IN EASTERN NORTH CAROLINA

* UNTIL 700 PM EDT

* AT 618 PM EDT...LOCAL LAW ENFORCEMENT REPORTED A FUNNEL CLOUD
  SOUTHWEST OF COLUMBIA...MOVING NORTHEAST AT 50 MPH. QUARTER
  SIZED HAIL AND DAMAGING WINDS IN EXCESS OF 58 MPH ARE ALSO LIKELY
  WITH THIS STORM.

* LOCATIONS IMPACTED INCLUDE...
  ALLIGATOR...
  NEWFOUNDLAND...FORT LANDING...

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 0 0...8 8 9...6 8 8 9 OR NOTIFY YOUR LOCAL LAW
ENFORCEMENT AGENCY.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EDT THURSDAY EVENING
FOR EASTERN NORTH CAROLINA.

&&

LAT...LON 3609 7573 3596 7601 3592 7602 3579 7630
      3585 7640 3599 7624 3600 7617 3600 7606
      3596 7601 3608 7576 3611 7575
TIME...MOT...LOC 2222Z 232DEG 45KT 3588 7629

$$

29

1 follow-up statement

981 
WWUS52 KMHX 282241
SVSMHX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC
641 PM EDT THU APR 28 2011

NCC187-282251-
/O.CAN.KMHX.TO.W.0035.000000T0000Z-110428T2300Z/
WASHINGTON NC-
641 PM EDT THU APR 28 2011

...THE TORNADO WARNING FOR EXTREME EAST CENTRAL WASHINGTON 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 0 0...8 8 9...6 8 8 9...OR NOTIFY YOUR NEAREST LAW
ENFORCEMENT AGENCY AND ASK THEM TO RELAY YOUR REPORT TO THE NATIONAL
WEATHER SERVICE FORECAST OFFICE IN NEWPORT.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EDT THURSDAY EVENING
FOR EASTERN NORTH CAROLINA.

LAT...LON 3609 7573 3596 7601 3592 7602 3580 7628
      3579 7631 3583 7637 3586 7635 3588 7636
      3599 7624 3600 7617 3600 7606 3596 7601
      3609 7576 3611 7575
TIME...MOT...LOC 2241Z 234DEG 37KT 3594 7616

$$

NCC055-177-282300-
/O.CON.KMHX.TO.W.0035.000000T0000Z-110428T2300Z/
TYRRELL NC-DARE NC-
641 PM EDT THU APR 28 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM EDT FOR EXTREME
NORTH CENTRAL DARE AND NORTHERN TYRRELL COUNTIES...

AT 636 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR LEVELS...OR 21
MILES SOUTH OF WEEKSVILLE...MOVING NORTHEAST AT 45 MPH.

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

LOCATIONS IN THE PATH OF THE STORM INCLUDE... ALLIGATOR...
NEWFOUNDLAND AND FORT LANDING.

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 0 0...8 8 9...6 8 8 9.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EDT THURSDAY EVENING
FOR EASTERN NORTH CAROLINA.

LAT...LON 3609 7573 3596 7601 3592 7602 3580 7628
      3579 7631 3583 7637 3586 7635 3588 7636
      3599 7624 3600 7617 3600 7606 3596 7601
      3609 7576 3611 7575
TIME...MOT...LOC 2241Z 234DEG 37KT 3594 7616

$$

29

The office that day

Everything else NWS Newport/Morehead City, NC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 28, 10:07 AM EDT	Wind Advisory	MHX	Beaufort, Dare, Duplin, Greene, Hyde, Jones and 6 more	12 hr
Apr 28, 1:41 PM EDT	Tornado Warning	MHX	Duplin, Lenoir	49 min
Apr 28, 2:26 PM EDT	Tornado Warning	MHX	Duplin	49 min
Apr 28, 3:10 PM EDT	Tornado Warning	MHX	Duplin, Lenoir	50 min
Apr 28, 3:29 PM EDT	Tornado Warning	MHX	Beaufort, Greene, Martin, Pitt	46 min
Apr 28, 3:48 PM EDT	Tornado Warning	MHX	Craven, Duplin, Jones, Lenoir	42 min
Apr 28, 4:26 PM EDT	Tornado Warning	MHX	Beaufort, Craven, Pitt	49 min
Apr 28, 4:32 PM EDT	Tornado Warning	MHX	Duplin, Onslow	26 min
Apr 28, 4:44 PM EDT	Tornado Warning	MHX	Martin, Washington	31 min
Apr 28, 4:49 PM EDT	Tornado Warning	MHX	Beaufort, Craven, Pitt	22 min
Apr 28, 5:01 PM EDT	Tornado Warning	MHX	Beaufort, Hyde, Washington	44 min
Apr 28, 5:15 PM EDT	Tornado Warning	MHX	Tyrrell, Washington	19 min
Apr 28, 5:26 PM EDT	Special Marine Warning	MHX		49 min
Apr 28, 5:33 PM EDT	Tornado Warning	MHX	Hyde, Tyrrell, Washington	42 min
Apr 28, 5:42 PM EDT	Severe Thunderstorm Warning	MHX	Craven, Jones, Onslow	33 min
Apr 28, 5:46 PM EDT	Severe Thunderstorm Warning	MHX	Craven, Jones, Onslow	29 min
Apr 28, 5:55 PM EDT	Tornado Warning	MHX	Tyrrell, Washington	35 min
Apr 28, 6:38 PM EDT	Special Marine Warning	MHX		67 min
Apr 28, 7:01 PM EDT	Tornado Warning	MHX	Dare	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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.