Alert archive / North Carolina / Tornado Warnings in 2021

Tornado Warning 13, NWS Wilmington, NC

July 8, 2021Brunswick County, North Carolina

NWS Wilmington, NC issued this tornado warning at Jul 8, 2021, 9:10 AM EDT for Brunswick County, North Carolina. It was in force for 18 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, 9:10 AM EDT (13:10 UTC)
Expired
Jul 8, 2021, 9:28 AM EDT
In force
18 min
Issued by
NWS Wilmington, NC
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County Brunswick County, NC

The radar

The Wilmington radar (KLTX), 38 km from the middle of the area, began a volume at 13:10 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, 8:35 AM EDTTornado WatchSPC6 hr

The nearest sounding before it

Newport, NC (KMHX), launched 12:00Z, 1.2 hours before the alert went out and 141 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.

419 
WFUS52 KILM 081310
TORILM
NCC019-081345-
/O.NEW.KILM.TO.W.0013.210708T1310Z-210708T1345Z/

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

The National Weather Service in Wilmington has issued a

* Tornado Warning for...
  Southeastern Brunswick County in southeastern North Carolina...

* Until 945 AM EDT.
    
* At 909 AM EDT, a severe thunderstorm capable of producing a tornado
  was located near Caswell Beach, moving north at 40 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Expect damage to mobile homes, roofs, and vehicles.

* This dangerous storm will be near...
  Caswell Beach and Yaupon Beach around 915 AM EDT.
  Oak Island, St. James and Southport around 920 AM EDT.
  Boiling Spring Lakes and Mill Creek around 935 AM EDT.

Other locations impacted by this tornadic thunderstorm include Dosher
Memorial Hospital.

This includes US Route 17 in Brunswick County between mile markers 31
and 34.
 
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 3385 7800 3386 7801 3388 7800 3387 7802
      3389 7802 3391 7810 3391 7815 3412 7814
      3410 7793 3406 7793
TIME...MOT...LOC 1309Z 192DEG 37KT 3384 7808 

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

$$

VAO
1 follow-up statement
184 
WWUS52 KILM 081328
SVSILM

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

NCC019-081338-
/O.CAN.KILM.TO.W.0013.000000T0000Z-210708T1345Z/
Brunswick NC-
928 AM EDT Thu Jul 8 2021

...THE TORNADO WARNING FOR SOUTHEASTERN BRUNSWICK COUNTY 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 3385 7800 3386 7801 3388 7800 3387 7802
      3389 7802 3391 7810 3391 7815 3412 7814
      3410 7793 3406 7793
TIME...MOT...LOC 1326Z 192DEG 37KT 3403 7803 

$$

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, 8:57 AM EDTTornado WarningILMBrunswick, Columbus10 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.