Alert archive / North Carolina / Tornado Warnings in 2021

Tornado Warning 12, NWS Wilmington, NC

July 8, 2021Brunswick County, Columbus County, North Carolina

NWS Wilmington, NC issued this tornado warning at Jul 8, 2021, 8:57 AM EDT for Brunswick County, Columbus County, North Carolina. It was in force for 10 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
Jul 8, 2021, 8:57 AM EDT (12:57 UTC)
Expired
Jul 8, 2021, 9:07 AM EDT
In force
10 min
Issued by
NWS Wilmington, NC
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

Counties Brunswick County, NC, Columbus County, NC

The radar

The Wilmington radar (KLTX), 18 km from the middle of the area, began a volume at 12:56 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
Jul 8, 2:01 AM EDTTornado WatchSPC7 hr
Jul 8, 8:35 AM EDTTornado WatchSPC6 hr

The nearest sounding before it

Newport, NC (KMHX), launched 12:00Z, 1.0 hours before the alert went out and 149 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 2021-07-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2167 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 2021-07-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 70 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
2167 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
669 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
70 m²/s²
0-3 km storm-relative helicity
68 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.6

Open this sounding in Storm Lab

The text

As transmitted.

860 
WFUS52 KILM 081257
TORILM
NCC019-047-081330-
/O.NEW.KILM.TO.W.0012.210708T1257Z-210708T1330Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Wilmington NC
857 AM EDT Thu Jul 8 2021

The National Weather Service in Wilmington has issued a

* Tornado Warning for...
  Central Brunswick County in southeastern North Carolina...
  East central Columbus County in southeastern North Carolina...

* Until 930 AM EDT.
    
* At 857 AM EDT, a severe thunderstorm capable of producing a tornado
  was located over Supply, or near Holden Beach, moving north at 45
  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...
  Brunswick County Community College Main Campus around 900 AM EDT.
  Honey Island around 915 AM EDT.
  Batarora around 920 AM EDT.

Other locations impacted by this tornadic thunderstorm include
Varnamtown, Brunswick Novant Medical Center and Bolivia.

This includes US Route 17 in Brunswick County between mile markers 15
and 30.
 
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.

&&

LAT...LON 3391 7818 3391 7839 3429 7840 3427 7811
TIME...MOT...LOC 1257Z 182DEG 39KT 3399 7829 

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

$$

VAO
1 follow-up statement
180 
WWUS52 KILM 081307
SVSILM

Severe Weather Statement
National Weather Service Wilmington NC
907 AM EDT Thu Jul 8 2021

NCC019-047-081317-
/O.CAN.KILM.TO.W.0012.000000T0000Z-210708T1330Z/
Brunswick NC-Columbus NC-
907 AM EDT Thu Jul 8 2021

...THE TORNADO WARNING FOR CENTRAL BRUNSWICK AND EAST CENTRAL
COLUMBUS COUNTIES IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning has been cancelled.  However gusty winds are
still possible with this thunderstorm.

A Tornado Watch remains in effect until 300 PM EDT for southeastern
North Carolina.

LAT...LON 3391 7818 3391 7839 3429 7840 3427 7811
TIME...MOT...LOC 1305Z 182DEG 39KT 3410 7829 

$$

VAO

The office that day

Everything else NWS Wilmington, NC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 8, 4:34 AM EDTSpecial Marine WarningILM56 min
Jul 8, 5:28 AM EDTSpecial Marine WarningILM62 min
Jul 8, 6:15 AM EDTTornado WarningILMRobeson30 min
Jul 8, 6:33 AM EDTSpecial Marine WarningILM57 min
Jul 8, 7:56 AM EDTSpecial Marine WarningILM34 min
Jul 8, 7:58 AM EDTAreal Flood AdvisoryILMRobeson92 min
Jul 8, 8:27 AM EDTAreal Flood AdvisoryILMBladen, Brunswick, Columbus2 hr
Jul 8, 8:55 AM EDTSpecial Marine WarningILM20 min
Jul 8, 9:10 AM EDTTornado WarningILMBrunswick18 min
Jul 8, 12:32 PM EDTSpecial Marine WarningILM12 min
Jul 8, 1:11 PM EDTCoastal Flood AdvisoryILMNew Hanover10 hr
Jul 8, 7:01 PM EDTSpecial Weather StatementILMPender29 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.