Alert archive / North Carolina / Tornado Warnings in 2012

Tornado Warning 11, NWS Newport/Morehead City, NC

September 18, 2012Jones County, North Carolina

NWS Newport/Morehead City, NC issued this tornado warning at Sep 18, 2012, 4:24 PM EDT for Jones County, North Carolina. It was in force for 18 min. 2 reports 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 18, 2012, 4:24 PM EDT (20:24 UTC)
Expired
Sep 18, 2012, 4:42 PM EDT
In force
18 min
Issued by
NWS Newport/Morehead City, NC
Area
Storm-based polygon

County Jones County, NC

The radar

The Morehead City radar (KMHX), 60 km from the middle of the area, began a volume at 20:26 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

TimeReportWhereRemark
Sep 18, 4:24 PM EDTTSTM WND DMG1 Wnw Trenton, NCJONES COUNTY 911 RELAYED REPORT OF LARGE LIMBS DOWN ON WHITAKER ROAD NEAR HWY 58. TIME BASED ON RADAR.
Sep 18, 4:24 PM EDTTORNADO2 Nne Comfort, NCAN NWS DAMAGE SURVEY HAS CONCLUDED THAT A EF-0 TORNADO BRIEFLY TOUCHED DOWN IN THREE DIFFERENT LOCATIONS. THE FIRST TOUCH DOWN WAS TRACKED FOR 0.15 MILES AND WAS 100 YARDS WIDE. IT DOWNED A TREE ALONG HWY-41... DESTROYED A GREENHOUSE AND DAMAGED A SHED AND OUT

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.

IssuedProductOfficeLasted
Sep 18, 1:00 PM EDTTornado WatchSPC5 hr

The nearest sounding before it

Newport, NC (KMHX), launched 12:00Z, 8.4 hours before the alert went out and 60 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 2012-09-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1124 joules per kilogram.LCLEL10008507005003002001001 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 2012-09-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 176 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
1124 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
683 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
176 m²/s²
0-3 km storm-relative helicity
215 m²/s²
Significant tornado parameter
0.7
Supercell composite
6.1

Open this sounding in Storm Lab

The text

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

582 
WFUS52 KMHX 182024
TORMHX
NCC103-182100-
/O.NEW.KMHX.TO.W.0011.120918T2024Z-120918T2100Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC
424 PM EDT TUE SEP 18 2012

THE NATIONAL WEATHER SERVICE IN NEWPORT HAS ISSUED A

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

* UNTIL 500 PM EDT

* AT 422 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO OVER PHILLIPS CROSSROADS...OR 17 MILES NORTH OF HALF
  MOON...MOVING NORTHEAST AT 35 MPH. QUARTER SIZE HAIL IS ALSO LIKELY
  WITH THIS STORM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

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 800 PM EDT TUESDAY EVENING
FOR EASTERN NORTH CAROLINA.

&&

LAT...LON 3506 7755 3521 7743 3510 7723 3496 7737
TIME...MOT...LOC 2024Z 216DEG 37KT 3509 7739

$$

11
1 follow-up statement
423 
WWUS52 KMHX 182042
SVSMHX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC
442 PM EDT TUE SEP 18 2012

NCC103-182052-
/O.CAN.KMHX.TO.W.0011.000000T0000Z-120918T2100Z/
JONES NC-
442 PM EDT TUE SEP 18 2012

...THE TORNADO WARNING FOR CENTRAL JONES 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.

WHILE THE IMMEDIATE SEVERE WEATHER THREAT HAS DISSIPATED...ADDITIONAL
SEVERE WEATHER IS POSSIBLE DURING THE NEXT FEW HOURS. BE PREPARED TO
MOVE QUICKLY TO AN INTERIOR ROOM OF A SAFE SHELTER IF A WARNING IS
ISSUED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM EDT TUESDAY EVENING
FOR EASTERN NORTH CAROLINA.

LAT...LON 3506 7755 3521 7743 3510 7723 3496 7737
TIME...MOT...LOC 2042Z 216DEG 37KT 3524 7726

$$
DAG

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 18, 11:02 AM EDTSpecial Weather StatementMHXGreene, Jones, Lenoir, Onslow58 min
Sep 18, 12:00 PM EDTSpecial Weather StatementMHXDuplin, Lenoir45 min
Sep 18, 12:41 PM EDTSpecial Weather StatementMHXCarteret, Pamlico49 min
Sep 18, 1:08 PM EDTSpecial Weather StatementMHXBeaufort, Washington67 min
Sep 18, 1:11 PM EDTSpecial Marine WarningMHX64 min
Sep 18, 1:29 PM EDTSpecial Weather StatementMHXCraven, Jones, Onslow61 min
Sep 18, 1:37 PM EDTSpecial Weather StatementMHXPamlico, Tyrrell53 min
Sep 18, 2:30 PM EDTSpecial Weather StatementMHXBeaufort, Carteret, Hyde, Pamlico60 min
Sep 18, 3:00 PM EDTSpecial Weather StatementMHXDuplin60 min
Sep 18, 3:16 PM EDTSpecial Marine WarningMHX59 min
Sep 18, 3:48 PM EDTSpecial Weather StatementMHXJones, Lenoir, Onslow57 min
Sep 18, 3:50 PM EDTSpecial Marine WarningMHX55 min
Sep 18, 3:57 PM EDTSpecial Marine WarningMHX63 min
Sep 18, 4:14 PM EDTSpecial Marine WarningMHX61 min
Sep 18, 4:33 PM EDTTornado WarningMHXCraven27 min
Sep 18, 4:52 PM EDTSpecial Weather StatementMHXGreene, Pitt53 min
Sep 18, 4:58 PM EDTSpecial Weather StatementMHXOnslow47 min
Sep 18, 4:58 PM EDTTornado WarningMHXCraven32 min
Sep 18, 5:11 PM EDTTornado WarningMHXBeaufort, Craven19 min
Sep 18, 5:19 PM EDTSpecial Marine WarningMHX56 min
Sep 18, 5:21 PM EDTSpecial Weather StatementMHXCarteret, Pamlico54 min

Nearby

Tornado Warnings in North Carolina, 2012Every tornado warning in 2012Tornadoes in 2012

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.