Alert archive / North Carolina / Tornado Warnings in 2017

Tornado Warning 12, NWS Newport/Morehead City, NC

May 23, 2017Dare County, North Carolina

NWS Newport/Morehead City, NC issued this tornado warning at May 23, 2017, 5:52 PM EDT for Dare County, North Carolina. It was in force for 38 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: May 23, 2017, 5:52 PM EDT (21:52 UTC)
Expired: May 23, 2017, 6:30 PM EDT
In force: 38 min
Issued by: NWS Newport/Morehead City, NC
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

County Dare County, NC

The radar

The Norfolk radar (KAKQ), 169 km from the middle of the area, began a volume at 21:50 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 nearest sounding before it

Newport, NC (KMHX), launched 12:00Z, 9.9 hours before the alert went out and 173 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: 93 J/kg
Mixed-layer CIN: -36 J/kg
Mixed-layer LCL: 675 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 15 m²/s²
0-3 km storm-relative helicity: 55 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

As transmitted.

010 
WFUS52 KMHX 232152
TORMHX
NCC055-232230-
/O.NEW.KMHX.TO.W.0012.170523T2152Z-170523T2230Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Newport/Morehead City NC
552 PM EDT TUE MAY 23 2017

The National Weather Service in Newport has issued a

* Tornado Warning for...
  Northern Mainland Dare County in eastern North Carolina...
  Northwestern Outer Banks Dare County in eastern North Carolina...

* Until 630 PM EDT
    
* At 552 PM EDT, a severe thunderstorm capable of producing a tornado
  was located near Manns Harbor, or 12 miles east of Williamston,
  moving northeast at 25 mph.

  HAZARD...Tornado. 

  SOURCE...Radar indicated rotation. 

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely. 

* This dangerous storm will be near...
  Manns Harbor around 600 PM EDT. 
  Mashoes around 605 PM EDT. 
  Manteo around 610 PM EDT. 
  Roanoke Island Festival Park and Wanchese around 615 PM EDT. 
  Kill Devil Hills, Nags Head, Jockeys Ridge State Park, Nags Head 
  Fishing Pier, Outer Banks Fishing Pier and Wright Brothers 
  National Monument around 625 PM EDT. 
  Avalon Pier around 630 PM EDT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

Please send your reports of wind and/or hail damage, including trees
or large limbs downed, by calling the National Weather Service office
in Newport at 1-800-889-6889.

&&

LAT...LON 3603 7545 3588 7545 3572 7584 3588 7598
      3615 7554
TIME...MOT...LOC 2152Z 237DEG 22KT 3584 7583 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

8

1 follow-up statement

782 
WWUS52 KMHX 232208
SVSMHX

Severe Weather Statement
National Weather Service Newport/Morehead City NC
608 PM EDT TUE MAY 23 2017

NCC055-232230-
/O.CON.KMHX.TO.W.0012.000000T0000Z-170523T2230Z/
Mainland Dare NC-Outer Banks Dare NC-
608 PM EDT TUE MAY 23 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM EDT FOR
NORTHEASTERN MAINLAND DARE AND NORTHWESTERN OUTER BANKS DARE
COUNTIES...
    
At 608 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Manns Harbor, or 9 miles south of Kill Devil Hills,
moving northeast at 25 mph.

HAZARD...Tornado. 

SOURCE...Radar indicated rotation. 

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely. 

This dangerous storm will be near...
  Manteo and Roanoke Island Festival Park around 615 PM EDT. 
  Kill Devil Hills, Nags Head, Jockeys Ridge State Park, Nags Head 
  Fishing Pier, Wright Brothers National Monument and Outer Banks 
  Fishing Pier around 625 PM EDT. 
  Avalon Pier around 630 PM EDT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

If a tornado or other severe weather is spotted, call the National
Weather Service office in Newport at 1-800-889-
6889. This act may save lives of others in the path of dangerous
weather.

&&

LAT...LON 3589 7545 3588 7545 3588 7546 3578 7568
      3598 7582 3615 7554
TIME...MOT...LOC 2208Z 237DEG 22KT 3589 7573 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

8

The office that day

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

Issued	Product	Office	Counties	Lasted
May 22, 8:00 PM EDT	Beach Hazards Statement	MHX		24 hr
May 23, 11:04 AM EDT	Special Marine Warning	MHX		56 min
May 23, 3:23 PM EDT	Small Craft Advisory	MHX		16 hr
May 23, 3:49 PM EDT	Special Weather Statement	MHX	Lenoir	56 min
May 23, 4:38 PM EDT	Special Weather Statement	MHX	Beaufort	67 min
May 23, 4:41 PM EDT	Special Weather Statement	MHX	Tyrrell	64 min
May 23, 4:53 PM EDT	Special Weather Statement	MHX	Onslow	52 min
May 23, 5:04 PM EDT	Special Marine Warning	MHX		86 min
May 23, 5:23 PM EDT	Areal Flood Advisory	MHX	Beaufort, Craven, Hyde, Tyrrell, Washington	97 min
May 23, 5:23 PM EDT	Special Weather Statement	MHX	Duplin	37 min
May 23, 5:30 PM EDT	Special Weather Statement	MHX	Dare	60 min
May 23, 5:41 PM EDT	Tornado Warning	MHX	Dare, Tyrrell	49 min
May 23, 5:42 PM EDT	Tornado Warning Tornado observed	MHX	Duplin	32 min
May 23, 6:06 PM EDT	Special Marine Warning	MHX		54 min

Nearby

Tornado Warnings in North Carolina, 2017 Every tornado warning in 2017 Tornadoes in 2017

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.