Alert archive / North Carolina / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 21, NWS Wilmington, NC

May 7, 2021Brunswick County, New Hanover County, Pender County, North Carolina

NWS Wilmington, NC issued this severe thunderstorm warning at May 7, 2021, 10:27 AM EDT for Brunswick County, New Hanover County, Pender County, North Carolina. It was in force for 33 min. 4 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: May 7, 2021, 10:27 AM EDT (14:27 UTC)
Expired: May 7, 2021, 11:00 AM EDT
In force: 33 min
Issued by: NWS Wilmington, NC
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Brunswick County, NC, New Hanover County, NC, Pender County, NC

The radar

The Wilmington radar (KLTX), 70 km from the middle of the area, began a volume at 14:27 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
May 7, 10:30 AM EDT	HAIL 1	2 N Hampstead, NC
May 7, 10:32 AM EDT	HAIL 1	1 W Leland, NC	1 INCH HAIL REPORT AT NORTH BRUNSWICK COUNTY HIGH SCHOOL CAMPUS
May 7, 10:35 AM EDT	HAIL 1.5	3 Sw Hampstead, NC	SOCIAL MEDIA REPORT OF HAIL SOUTH SIDE OF HAMPSTEAD ~1.5 INCHES. HAIL STONE WAS AN AMALGAMATION OF SMALLER STONES.
May 7, 10:50 AM EDT	HAIL 1	1 Ese Ogden, NC

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Newport, NC (KMHX), launched 12:00Z, 2.5 hours before the alert went out and 97 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: 5 J/kg
Mixed-layer CIN: -138 J/kg
Mixed-layer LCL: 954 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: -127 m²/s²
0-3 km storm-relative helicity: -25 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

089 
WUUS52 KILM 071427
SVRILM
NCC019-129-141-071500-
/O.NEW.KILM.SV.W.0021.210507T1427Z-210507T1500Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Wilmington NC
1027 AM EDT Fri May 7 2021

The National Weather Service in Wilmington has issued a

* Severe Thunderstorm Warning for...
  New Hanover County in southeastern North Carolina...
  Pender County in southeastern North Carolina...
  Northeastern Brunswick County in southeastern North Carolina...

* Until 1100 AM EDT.

* At 1027 AM EDT, severe thunderstorms were located along a line
  extending from near White Stocking to near Mill Creek, moving east
  at 25 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Minor hail damage to vehicles is possible. Expect wind 
           damage to trees and power lines.

* Locations impacted include...
  Wilmington, Leland, Carolina Beach, Burgaw, Wrightsville Beach,
  Kure Beach, Surf City, Snows Cut, South Masonboro Island, Figure
  Eight Island, Rich Inlet, North Masonboro Island, Hampstead,
  Boiling Spring Lakes, Northwest, Topsail Beach, Hightsville, Long
  Creek, Cape Fear Community College North Campus and Wilmington
  International Airport.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3432 7769 3424 7777 3415 7784 3395 7793
      3410 7829 3466 7795 3464 7764 3448 7758
      3444 7752
TIME...MOT...LOC 1427Z 276DEG 24KT 3454 7779 3411 7814 

HAIL...1.00IN
WIND...60MPH
 
$$

VAO

2 follow-up statements

071 
WWUS52 KILM 071451
SVSILM

Severe Weather Statement
National Weather Service Wilmington NC
1051 AM EDT Fri May 7 2021

NCC019-129-141-071500-
/O.CON.KILM.SV.W.0021.000000T0000Z-210507T1500Z/
New Hanover NC-Pender NC-Brunswick NC-
1051 AM EDT Fri May 7 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 AM EDT
FOR NEW HANOVER...EASTERN PENDER AND EAST CENTRAL BRUNSWICK
COUNTIES...

At 1051 AM EDT, severe thunderstorms were located along a line
extending from near Edgecomb to near Sea Breeze, moving east at 30
mph.

HAZARD...Quarter size hail.

SOURCE...Radar indicated.

IMPACT...Minor damage to vehicles is possible.

Locations impacted include...
Wilmington, Carolina Beach, Wrightsville Beach, Kure Beach, Surf
City, South Masonboro Island, Snows Cut, Figure Eight Island, Rich
Inlet, North Masonboro Island, Hampstead, Boiling Spring Lakes,
Topsail Beach, Hightsville, Cape Fear Community College North Campus,
Wilmington International Airport, Myrtle Grove, Murrayville,
Masonboro and Castle Hayne.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Continuous cloud to ground lightning is occurring with these storms.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

&&

LAT...LON 3432 7769 3424 7777 3415 7784 3395 7793
      3401 7808 3465 7777 3464 7764 3448 7758
      3444 7752
TIME...MOT...LOC 1451Z 276DEG 24KT 3452 7761 3409 7796 

HAIL...1.00IN
WIND...<50MPH
 
$$

VAO

092 
WWUS52 KILM 071456
SVSILM

Severe Weather Statement
National Weather Service Wilmington NC
1056 AM EDT Fri May 7 2021

NCC019-129-141-071506-
/O.EXP.KILM.SV.W.0021.000000T0000Z-210507T1500Z/
New Hanover NC-Pender NC-Brunswick NC-
1056 AM EDT Fri May 7 2021

...THE SEVERE THUNDERSTORM WARNING FOR NEW HANOVER...EASTERN PENDER
AND EAST CENTRAL BRUNSWICK COUNTIES WILL EXPIRE AT 1100 AM EDT...
    
The storms which prompted the warning have moved out of the area.
Therefore, the warning will be allowed to expire.

LAT...LON 3432 7769 3424 7777 3415 7784 3395 7793
      3401 7808 3465 7777 3464 7764 3448 7758
      3444 7752
TIME...MOT...LOC 1456Z 276DEG 24KT 3452 7758 3409 7793 

$$

VAO

The office that day

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

Issued	Product	Office	Counties	Lasted
May 7, 3:47 AM EDT	Small Craft Advisory	ILM		20 hr
May 7, 5:47 AM EDT	Special Marine Warning	ILM		28 min
May 7, 5:55 AM EDT	Special Marine Warning	ILM		20 min
May 7, 7:35 AM EDT	Special Weather Statement	ILM	Robeson	55 min
May 7, 8:13 AM EDT	Special Weather Statement	ILM	Bladen	32 min
May 7, 8:26 AM EDT	Special Weather Statement	ILM	Robeson	34 min
May 7, 8:41 AM EDT	Special Weather Statement	ILM	Bladen	64 min
May 7, 8:47 AM EDT	Severe Thunderstorm Warning	ILM	Bladen	28 min
May 7, 8:57 AM EDT	Special Weather Statement	ILM	Bladen	33 min
May 7, 9:06 AM EDT	Severe Thunderstorm Warning	ILM	Bladen	25 min
May 7, 9:28 AM EDT	Special Weather Statement	ILM	Bladen	47 min
May 7, 10:01 AM EDT	Special Weather Statement	ILM	New Hanover, Pender	59 min
May 7, 10:41 AM EDT	Special Marine Warning	ILM		49 min
May 7, 11:31 AM EDT	Special Marine Warning	ILM		29 min
May 7, 3:30 PM EDT	Fire Weather Watch	ILM	Bladen, Brunswick, Columbus, New Hanover, Pender, Robeson	15 hr
May 7, 3:44 PM EDT	Special Weather Statement	ILM	Robeson	31 min
May 7, 3:59 PM EDT	Special Weather Statement	ILM	Brunswick	61 min
May 7, 4:38 PM EDT	Special Marine Warning	ILM		37 min
May 7, 4:40 PM EDT	Special Weather Statement	ILM	New Hanover	20 min

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.