Alert archive / North Carolina / Tornado Warnings in 2020

Tornado Warning 9, NWS Wilmington, NC

April 13, 2020Brunswick County, New Hanover County, North Carolina

NWS Wilmington, NC issued this tornado warning at Apr 13, 2020, 9:40 AM EDT for Brunswick County, New Hanover County, North Carolina. It was in force for 17 min. 2 reports 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
Apr 13, 2020, 9:40 AM EDT (13:40 UTC)
Expired
Apr 13, 2020, 9:57 AM EDT
In force
17 min
Issued by
NWS Wilmington, NC
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Brunswick County, NC, New Hanover County, NC

The radar

The Wilmington radar (KLTX), 43 km from the middle of the area, began a volume at 13:42 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

TimeReportWhereRemark
Apr 13, 9:40 AM EDTTSTM WND DMG1 S Myrtle Grove, NCLARGE TREE DOWN ACROSS MYRTLE GROVE RD NEAR 6400 BLOCK
Apr 13, 9:45 AM EDTTSTM WND DMG1 Nw Carolina Beach, NCTREE DOWN IN CYPRESS ISLAND COMMUNITY OFF OF RIVER RD

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.

IssuedProductOfficeLasted
Apr 13, 5:01 AM EDTTornado WatchSPC7 hr

The nearest sounding before it

Newport, NC (KMHX), launched 12:00Z, 1.7 hours before the alert went out and 135 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 2020-04-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 125 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 2020-04-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 480 square meters per square second.1939587897Sfc1 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
125 J/kg
Mixed-layer CIN
-98 J/kg
Mixed-layer LCL
618 m above ground
0-6 km bulk shear
72 kt
0-1 km storm-relative helicity
480 m²/s²
0-3 km storm-relative helicity
539 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.2

Open this sounding in Storm Lab

The text

As transmitted.

428 
WFUS52 KILM 131340
TORILM
NCC019-129-131415-
/O.NEW.KILM.TO.W.0009.200413T1340Z-200413T1415Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Wilmington NC
940 AM EDT Mon Apr 13 2020

The National Weather Service in Wilmington has issued a

* Tornado Warning for...
  South central New Hanover County in southeastern North Carolina...
  Southeastern Brunswick County in southeastern North Carolina...

* Until 1015 AM EDT.
    
* At 940 AM EDT, a severe thunderstorm capable of producing a tornado
  was located near Fort Fisher, or near Kure Beach, moving northeast
  at 75 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...
  Carolina Beach, Snows Cut and Sea Breeze around 945 AM EDT.
  South Masonboro Island, North Masonboro Island and Myrtle Grove 
  around 950 AM EDT.

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

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 3409 7787 3408 7787 3397 7791 3392 7794
      3391 7795 3384 7796 3384 7797 3386 7801
      3388 7800 3387 7802 3389 7802 3390 7805
      3394 7808 3402 7805 3416 7783
TIME...MOT...LOC 1340Z 242DEG 65KT 3399 7797 

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

$$

21
2 follow-up statements
816 
WWUS52 KILM 131350
SVSILM

Severe Weather Statement
National Weather Service Wilmington NC
950 AM EDT Mon Apr 13 2020

NCC019-129-131415-
/O.CON.KILM.TO.W.0009.000000T0000Z-200413T1415Z/
New Hanover NC-Brunswick NC-
950 AM EDT Mon Apr 13 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1015 AM EDT FOR SOUTH
CENTRAL NEW HANOVER AND SOUTHEASTERN BRUNSWICK COUNTIES...
    
At 950 AM EDT, a severe thunderstorm capable of producing a tornado
was located near Bald Head Island, moving northeast at 65 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 tornadic thunderstorm will remain over mainly rural areas of
south central New Hanover and southeastern Brunswick Counties,
including the following locations... Dosher Memorial Hospital.

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 3409 7787 3408 7787 3397 7791 3392 7794
      3391 7795 3384 7796 3384 7797 3386 7801
      3388 7800 3387 7802 3389 7802 3390 7805
      3394 7808 3402 7805 3416 7783
TIME...MOT...LOC 1350Z 237DEG 57KT 3383 7793 

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

$$

21
513 
WWUS52 KILM 131357
SVSILM

Severe Weather Statement
National Weather Service Wilmington NC
957 AM EDT Mon Apr 13 2020

NCC019-129-131406-
/O.CAN.KILM.TO.W.0009.000000T0000Z-200413T1415Z/
New Hanover NC-Brunswick NC-
957 AM EDT Mon Apr 13 2020

...THE TORNADO WARNING FOR SOUTH CENTRAL NEW HANOVER AND SOUTHEASTERN
BRUNSWICK COUNTIES IS CANCELLED...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.  However gusty winds and
heavy rain are still possible with this thunderstorm.

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

LAT...LON 3409 7787 3408 7787 3397 7791 3392 7794
      3391 7795 3384 7796 3384 7797 3386 7801
      3388 7800 3387 7802 3389 7802 3390 7805
      3394 7808 3402 7805 3416 7783
TIME...MOT...LOC 1355Z 242DEG 65KT 3389 7780 

$$

21

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 13, 4:26 AM EDTHigh Surf AdvisoryILMBrunswick, New Hanover, Pender12 hr
Apr 13, 7:32 AM EDTSevere Thunderstorm WarningILMBladen, Robeson28 min
Apr 13, 7:53 AM EDTSevere Thunderstorm WarningILMBladen, Columbus, Robeson52 min
Apr 13, 8:10 AM EDTTornado WarningILMBladen, Columbus, Pender35 min
Apr 13, 8:19 AM EDTSevere Thunderstorm WarningILMBladen, Brunswick, Columbus, Pender26 min
Apr 13, 8:42 AM EDTSevere Thunderstorm WarningILMBladen, Brunswick, Columbus, New Hanover, Pender48 min
Apr 13, 8:43 AM EDTSpecial Marine WarningILM29 min
Apr 13, 8:50 AM EDTTornado WarningILMBladen, Brunswick, Columbus, Pender25 min
Apr 13, 9:01 AM EDTSevere Thunderstorm WarningILMBrunswick, Columbus, New Hanover44 min
Apr 13, 9:12 AM EDTSpecial Marine WarningILM63 min
Apr 13, 9:15 AM EDTTornado WarningILMPender30 min
Apr 13, 9:17 AM EDTSevere Thunderstorm WarningILMBrunswick, New Hanover, Pender28 min
Apr 13, 9:21 AM EDTTornado Warning Tornado observedILMBrunswick, New Hanover24 min
Apr 13, 9:45 AM EDTSevere Thunderstorm WarningILMBrunswick, New Hanover, Pender30 min
Apr 13, 10:07 AM EDTSpecial Marine WarningILM38 min
Apr 13, 10:26 AM EDTSpecial Marine WarningILM64 min
Apr 13, 6:05 PM EDTSmall Craft AdvisoryILM21 hr

Nearby

Tornado Warnings in North Carolina, 2020Every tornado warning in 2020Tornadoes in 2020

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.