Alert archive / North Carolina / Tornado Warnings in 2012

Tornado Warning 5, NWS Newport/Morehead City, NC

July 30, 2012Dare County, North Carolina

NWS Newport/Morehead City, NC issued this tornado warning at Jul 30, 2012, 10:43 AM EDT for Dare County, North Carolina. It was in force for 32 min. 1 report 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: Jul 30, 2012, 10:43 AM EDT (14:43 UTC)
Expired: Jul 30, 2012, 11:15 AM EDT
In force: 32 min
Issued by: NWS Newport/Morehead City, NC
Area: Storm-based polygon

County Dare County, NC

The radar

The Morehead City radar (KMHX), 164 km from the middle of the area, began a volume at 14:42 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

Time	Report	Where	Remark
Jul 30, 11:01 AM EDT	TORNADO	Wanchese, NC	DARE COUNTY 911 REPORTED WATERSPOUT AGAIN CAME ONSHORE IN WANCHESE.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Newport, NC (KMHX), launched 12:00Z, 2.7 hours before the alert went out and 164 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: 1740 J/kg
Mixed-layer CIN: -10 J/kg
Mixed-layer LCL: 620 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: 15 m²/s²
0-3 km storm-relative helicity: -12 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.

981 
WFUS52 KMHX 301443
TORMHX
NCC055-301515-
/O.NEW.KMHX.TO.W.0005.120730T1443Z-120730T1515Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC
1043 AM EDT MON JUL 30 2012

THE NATIONAL WEATHER SERVICE IN NEWPORT HAS ISSUED A

* TORNADO WARNING FOR...
  EXTREME EAST CENTRAL MAINLAND DARE COUNTY IN EASTERN NORTH CAROLINA
  CENTRAL OUTER BANKS DARE COUNTY IN EASTERN NORTH CAROLINA

* UNTIL 1115 AM EDT

* AT 1037 AM EDT...LOCAL LAW ENFORCEMENT REPORTED A TORNADO OVER     
  BODIE ISLAND LIGHTHOUSE...MOVING WEST AT 10 MPH.

* LOCATIONS IMPACTED INCLUDE...
  BODIE ISLAND LIGHTHOUSE...
  WANCHESE...

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.

&&

LAT...LON 3576 7559 3578 7558 3579 7555 3580 7560
      3584 7559 3583 7561 3580 7562 3582 7568
      3580 7573 3584 7567 3586 7567 3594 7573
      3595 7572 3594 7568 3590 7563 3592 7562
      3590 7558 3577 7552
TIME...MOT...LOC 1443Z 105DEG 9KT 3581 7554

$$
DAG

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 30, 7:57 AM EDT	Special Marine Warning	MHX		33 min
Jul 30, 8:19 AM EDT	Special Marine Warning	MHX		41 min
Jul 30, 8:23 AM EDT	Special Weather Statement	MHX	Dare	37 min
Jul 30, 10:34 AM EDT	Special Marine Warning	MHX		41 min
Jul 30, 11:14 AM EDT	Special Marine Warning	MHX		61 min
Jul 30, 11:19 AM EDT	Special Weather Statement	MHX	Onslow	56 min
Jul 30, 12:46 PM EDT	Special Weather Statement	MHX	Craven	59 min
Jul 30, 1:03 PM EDT	Special Weather Statement	MHX	Craven, Jones, Lenoir	57 min
Jul 30, 1:48 PM EDT	Special Weather Statement	MHX	Washington	57 min
Jul 30, 1:56 PM EDT	Areal Flood Advisory	MHX	Duplin, Lenoir	94 min
Jul 30, 2:53 PM EDT	Special Marine Warning	MHX		52 min
Jul 30, 3:08 PM EDT	Areal Flood Advisory	MHX	Beaufort, Martin, Pitt, Washington	82 min

Nearby

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