Alert archive / North Carolina / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 1, NWS Newport/Morehead City, NC

February 16, 2021Dare County, North Carolina

NWS Newport/Morehead City, NC issued this severe thunderstorm warning at Feb 16, 2021, 3:18 AM EST for Dare County, North Carolina. It was in force for 27 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: Feb 16, 2021, 3:18 AM EST (08:18 UTC)
Expired: Feb 16, 2021, 3:45 AM EST
In force: 27 min
Issued by: NWS Newport/Morehead City, NC
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Dare County, NC

The radar

The Morehead City radar (KMHX), 150 km from the middle of the area, began a volume at 08:19 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
Feb 16, 3:42 AM EST	MARINE TSTM WIND 43	Oregon Inlet Marina, NC	MARINE THUNDERSTORM WIND GUST OF 37KTS (42.6MPH) REPORTED AT 0842Z (0342EST).

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.

Issued	Product	Office	Lasted
Feb 16, 12:41 AM EST	Tornado Watch	SPC	3 hr

The nearest sounding before it

Newport, NC (KMHX), launched 00:00Z, 8.3 hours before the alert went out and 150 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 456 m above ground
0-6 km bulk shear: 62 kt
0-1 km storm-relative helicity: 241 m²/s²
0-3 km storm-relative helicity: 300 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

530 
WUUS52 KMHX 160818
SVRMHX
NCC055-160845-
/O.NEW.KMHX.SV.W.0001.210216T0818Z-210216T0845Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Newport/Morehead City NC
318 AM EST Tue Feb 16 2021

The National Weather Service in Newport has issued a

* Severe Thunderstorm Warning for...
  East central Dare County in eastern North Carolina...

* Until 345 AM EST.

* At 317 AM EST, a severe thunderstorm was located 11 miles west of
  Salvo, or 14 miles south of Stumpy Point, moving northeast at 75
  mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Salvo, Avon, Waves, Rodanthe, Hatteras Island Fishing Pier and Avon
  Pier.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

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

&&

A Tornado Watch remains in effect until 800 AM EST for eastern North
Carolina.

LAT...LON 3530 7546 3532 7558 3560 7554 3579 7562
      3584 7550 3561 7541
TIME...MOT...LOC 0817Z 222DEG 66KT 3550 7566 

HAIL...<.75IN
WIND...60MPH
 
$$

SGK

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 16, 12:08 AM EST	Special Weather Statement	MHX	Duplin	37 min
Feb 16, 12:45 AM EST	Special Weather Statement	MHX	Jones	30 min
Feb 16, 12:56 AM EST	Flash Flood Warning	MHX	Duplin, Jones, Onslow	3 hr
Feb 16, 1:10 AM EST	Special Weather Statement	MHX	Jones, Onslow	50 min
Feb 16, 1:26 AM EST	Special Weather Statement	MHX	Martin	34 min
Feb 16, 2:01 AM EST	Areal Flood Advisory	MHX	Beaufort, Craven, Martin, Pitt, Washington	3 hr
Feb 16, 2:09 AM EST	Special Marine Warning	MHX		66 min
Feb 16, 2:14 AM EST	Special Weather Statement	MHX	Carteret	46 min
Feb 16, 3:14 AM EST	Special Marine Warning	MHX		61 min
Feb 16, 3:47 AM EST	River Flood Warning	MHX	Jones	7 days
Feb 16, 3:47 AM EST	River Flood Warning	MHX	Onslow	34 hr
Feb 16, 5:06 AM EST	Special Marine Warning	MHX		54 min
Feb 16, 5:58 AM EST	Special Marine Warning	MHX		62 min
Feb 16, 11:21 AM EST	River Flood Warning	MHX	Jones	11 days

Nearby

Severe Thunderstorm Warnings in North Carolina, 2021 Every severe thunderstorm warning in 2021

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.