Alert archive / North Carolina / Tornado Warnings in 2021

Tornado Warning 4, NWS Newport/Morehead City, NC

June 20, 2021Martin County, North Carolina

NWS Newport/Morehead City, NC issued this tornado warning at Jun 20, 2021, 2:25 PM EDT for Martin County, North Carolina. It was in force for 35 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
Jun 20, 2021, 2:25 PM EDT (18:25 UTC)
Expired
Jun 20, 2021, 3:00 PM EDT
In force
35 min
Issued by
NWS Newport/Morehead City, NC
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

County Martin County, NC

The radar

The Morehead City radar (KMHX), 122 km from the middle of the area, began a volume at 18:25 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, 6.4 hours before the alert went out and 122 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 2021-06-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 215 joules per kilogram.LCLLFCEL10008507005003002001001 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 2021-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 115 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
215 J/kg
Mixed-layer CIN
-48 J/kg
Mixed-layer LCL
986 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
115 m²/s²
0-3 km storm-relative helicity
158 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

As transmitted.

826 
WFUS52 KMHX 201825
TORMHX
NCC117-201900-
/O.NEW.KMHX.TO.W.0004.210620T1825Z-210620T1900Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Newport/Morehead City NC
225 PM EDT Sun Jun 20 2021

The National Weather Service in Newport has issued a

* Tornado Warning for...
  Central Martin County in eastern North Carolina...

* Until 300 PM EDT.
    
* At 225 PM EDT, a severe thunderstorm capable of producing a tornado
  was located over Robersonville, or 9 miles west of Williamston,
  moving east 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.

* Locations impacted include...
  Williamston, Robersonville and Everetts. 

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 3589 7703 3589 7704 3588 7703 3587 7705
      3587 7704 3586 7704 3586 7701 3583 7699
      3579 7726 3583 7728 3590 7703
TIME...MOT...LOC 1825Z 256DEG 21KT 3581 7723 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

41
1 follow-up statement
136 
WWUS52 KMHX 201839
SVSMHX

Severe Weather Statement
National Weather Service Newport/Morehead City NC
239 PM EDT Sun Jun 20 2021

NCC117-201900-
/O.CON.KMHX.TO.W.0004.000000T0000Z-210620T1900Z/
Martin NC-
239 PM EDT Sun Jun 20 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 300 PM EDT FOR CENTRAL
MARTIN COUNTY...
    
At 239 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Williamston, moving east at 20 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.

Locations impacted include...
Williamston and Everetts. 

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 7703 3589 7704 3588 7703 3587 7705
      3587 7704 3586 7704 3586 7701 3583 7699
      3580 7717 3586 7719 3590 7703
TIME...MOT...LOC 1839Z 261DEG 18KT 3582 7715 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

41

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 19, 8:28 PM EDTBeach Hazards StatementMHXCarteret, Dare, Hyde, Onslow24 hr
Jun 20, 3:20 AM EDTFlash Flood WatchMHXBeaufort, Carteret, Craven, Dare, Duplin, Greene and 9 more27 hr
Jun 20, 4:57 AM EDTTropical Storm WarningMHXCarteret, Dare, Hyde, Onslow27 hr
Jun 20, 5:05 AM EDTSmall Craft AdvisoryMHX4 days
Jun 20, 1:39 PM EDTSpecial Weather StatementMHXPitt51 min
Jun 20, 3:48 PM EDTSpecial Weather StatementMHXMartin42 min
Jun 20, 4:13 PM EDTSpecial Marine WarningMHX62 min

Nearby

Tornado Warnings in North Carolina, 2021Every tornado warning in 2021Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.