Alert archive / North Carolina / Tornado Warnings in 2011

Tornado Warning 13, NWS Newport/Morehead City, NC

April 16, 2011Martin County, North Carolina

NWS Newport/Morehead City, NC issued this tornado warning at Apr 16, 2011, 7:16 PM EDT for Martin County, North Carolina. It was in force for 14 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 16, 2011, 7:16 PM EDT (23:16 UTC)
Expired: Apr 16, 2011, 7:30 PM EDT
In force: 14 min
Issued by: NWS Newport/Morehead City, NC
Area: Storm-based polygon

County Martin County, NC

The radar

The Norfolk radar (KAKQ), 116 km from the middle of the area, began a volume at 23:18 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 16, 12:02 PM EDT	Tornado Watch PDS	SPC	11 hr

The nearest sounding before it

Newport, NC (KMHX), launched 12:00Z, 11.3 hours before the alert went out and 132 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: 7 J/kg
Mixed-layer CIN: -6 J/kg
Mixed-layer LCL: 824 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 201 m²/s²
0-3 km storm-relative helicity: 308 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.

806 
WFUS52 KMHX 162316
TORMHX
NCC117-162330-
/O.NEW.KMHX.TO.W.0013.110416T2316Z-110416T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC
716 PM EDT SAT APR 16 2011

THE NATIONAL WEATHER SERVICE IN NEWPORT HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL MARTIN COUNTY IN EASTERN NORTH CAROLINA

* UNTIL 730 PM EDT

* AT 711 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO OVER HAMILTON...OR 8 MILES NORTHWEST OF WILLIAMSTON...
  MOVING NORTHEAST AT 60 MPH. GOLF BALL SIZED HAIL AND DESTRUCTIVE
  WINDS IN EXCESS OF 70 MPH ARE ALSO LIKELY WITH THIS STORM.

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.

IF CAUGHT IN A VEHICLE...AS A LAST RESORT...EITHER PARK YOUR VEHICLE
AND STAY PUT LEAVING YOUR SEAT BELT ON...OR ABANDON YOUR VEHICLE AND
LIE DOWN IN A LOW LYING AREA. PROTECT YOURSELF FROM FLYING DEBRIS.
MOTORISTS SHOULD NOT TAKE SHELTER UNDER HIGHWAY OVERPASSES.

NIGHTTIME TORNADOES ARE EXTREMELY DANGEROUS AS THEY ARE DIFFICULT TO
SEE. TAKE COVER NOW. DO NOT SEEK VISUAL CONFIRMATION.

HEAVY RAINFALL MAY HIDE THIS TORNADO MAKING IT DIFFICULT TO SEE. DO
NOT WAIT TO SEE OR HEAR THE TORNADO. TAKE COVER NOW.

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 SATURDAY EVENING
FOR EASTERN NORTH CAROLINA.

&&

LAT...LON 3599 7719 3594 7719 3593 7708 3594 7707
      3594 7705 3593 7703 3584 7718 3594 7728
      3599 7721 3600 7720
TIME...MOT...LOC 2316Z 229DEG 53KT 3595 7712

$$

DAG

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 16, 4:02 AM EDT	High Surf Advisory	MHX		22 hr
Apr 16, 4:50 PM EDT	Tornado Warning	MHX	Duplin, Greene, Lenoir	25 min
Apr 16, 5:24 PM EDT	Tornado Warning	MHX	Greene, Lenoir, Pitt	51 min
Apr 16, 5:26 PM EDT	Tornado Warning	MHX	Duplin	49 min
Apr 16, 6:09 PM EDT	Tornado Warning	MHX	Martin, Pitt	36 min
Apr 16, 6:13 PM EDT	Tornado Warning	MHX	Greene, Pitt	47 min
Apr 16, 6:16 PM EDT	Tornado Warning	MHX	Duplin, Lenoir	29 min
Apr 16, 6:19 PM EDT	Tornado Warning	MHX	Duplin, Jones, Lenoir, Onslow	41 min
Apr 16, 6:38 PM EDT	Tornado Warning	MHX	Greene, Lenoir, Pitt	37 min
Apr 16, 6:50 PM EDT	Tornado Warning	MHX	Martin, Pitt	25 min
Apr 16, 6:57 PM EDT	Tornado Warning	MHX	Craven, Duplin, Jones, Lenoir, Onslow	48 min
Apr 16, 7:07 PM EDT	Tornado Warning	MHX	Beaufort, Martin, Washington	38 min
Apr 16, 7:37 PM EDT	Severe Thunderstorm Warning	MHX	Beaufort, Craven	38 min
Apr 16, 7:39 PM EDT	Tornado Warning	MHX	Beaufort, Craven	51 min
Apr 16, 7:42 PM EDT	Tornado Warning	MHX	Onslow	33 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.