Alert archive / North Carolina / Tornado Warnings in 2012

Tornado Warning 14, NWS Newport/Morehead City, NC

September 18, 2012Beaufort County, Craven County, North Carolina

NWS Newport/Morehead City, NC issued this tornado warning at Sep 18, 2012, 5:11 PM EDT for Beaufort County, Craven County, North Carolina. It was in force for 19 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
Sep 18, 2012, 5:11 PM EDT (21:11 UTC)
Expired
Sep 18, 2012, 5:30 PM EDT
In force
19 min
Issued by
NWS Newport/Morehead City, NC
Area
Storm-based polygon

Counties Beaufort County, NC, Craven County, NC

The radar

The Morehead City radar (KMHX), 68 km from the middle of the area, began a volume at 21:13 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.

IssuedProductOfficeLasted
Sep 18, 1:00 PM EDTTornado WatchSPC5 hr

The nearest sounding before it

Newport, NC (KMHX), launched 12:00Z, 9.2 hours before the alert went out and 68 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.

553 
WFUS52 KMHX 182111
TORMHX
NCC013-049-182145-
/O.NEW.KMHX.TO.W.0014.120918T2111Z-120918T2145Z/

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

THE NATIONAL WEATHER SERVICE IN NEWPORT HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN BEAUFORT COUNTY IN EASTERN NORTH CAROLINA
  NORTH CENTRAL CRAVEN COUNTY IN EASTERN NORTH CAROLINA

* UNTIL 545 PM EDT

* AT 508 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO OVER CAYTON...OR 11 MILES NORTHEAST OF NEW BERN...MOVING
  NORTHEAST AT 35 MPH.

* LOCATIONS IMPACTED INCLUDE...
  EDWARD...COX CROSSROADS...
  BONNERTON...AURORA...
  CORE POINT...
  BAYVIEW...SOUTH CREEK...
  RANSOMVILLE...SIDNEY CROSSROADS...
  WINSTEADVILLE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3553 7661 3551 7662 3538 7657 3542 7674
      3538 7675 3535 7665 3537 7664 3536 7664
      3535 7663 3522 7685 3525 7689 3523 7693
      3514 7699 3528 7712 3544 7690 3539 7675
      3541 7675 3546 7687 3560 7667
TIME...MOT...LOC 2111Z 232DEG 34KT 3527 7696

$$

11
1 follow-up statement
537 
WWUS52 KMHX 182130
SVSMHX

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

NCC013-049-182140-
/O.CAN.KMHX.TO.W.0014.000000T0000Z-120918T2145Z/
BEAUFORT NC-CRAVEN NC-
530 PM EDT TUE SEP 18 2012

...THE TORNADO WARNING FOR NORTH CENTRAL CRAVEN AND SOUTHEASTERN
BEAUFORT COUNTIES 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 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 800 PM EDT TUESDAY EVENING
FOR EASTERN NORTH CAROLINA.

LAT...LON 3553 7661 3551 7662 3538 7657 3542 7674
      3538 7675 3535 7665 3537 7664 3536 7664
      3535 7663 3522 7685 3525 7689 3523 7693
      3514 7699 3528 7712 3544 7690 3539 7675
      3541 7675 3546 7687 3560 7667
TIME...MOT...LOC 2130Z 232DEG 34KT 3538 7679

$$

11

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, 4:24 PM EDTTornado WarningMHXJones18 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, 5:19 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.