Alert archive / North Carolina / Special Weather Statements in 2021

Special Weather Statement, NWS Wilmington, NC

June 20, 2021Columbus County, North Carolina

NWS Wilmington, NC issued this special weather statement at Jun 20, 2021, 5:21 AM EDT for Columbus County, North Carolina. It was in force for 24 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, 5:21 AM EDT (09:21 UTC)
Expired
Jun 20, 2021, 5:45 AM EDT
In force
24 min
Issued by
NWS Wilmington, NC

County Columbus County, NC

The radar

The Wilmington radar (KLTX), 23 km from the middle of the area, began a volume at 09:24 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 00:00Z, 9.4 hours before the alert went out and 176 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 00:00Z on 2021-06-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 704 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 00:00Z on 2021-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 147 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
704 J/kg
Mixed-layer CIN
-80 J/kg
Mixed-layer LCL
1197 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
147 m²/s²
0-3 km storm-relative helicity
181 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

066 
WWUS82 KILM 200921
SPSILM

Special Weather Statement
National Weather Service Wilmington NC
521 AM EDT Sun Jun 20 2021
 
NCZ099-109-200945-
Inland Brunswick NC-Columbus NC-
521 AM EDT Sun Jun 20 2021

...SPECIAL WEATHER STATEMENT FOR WEST CENTRAL BRUNSWICK AND CENTRAL
COLUMBUS COUNTIES UNTIL 545 AM EDT...

At 521 AM EDT, Doppler radar was tracking a strong thunderstorm over
Dulah, or 15 miles north of Little River, moving northeast at 30 mph.

Pea size hail and winds in excess of 30 mph will be possible with
this storm. Funnel clouds are also possible with this storm.

Locations impacted include...
Bethel, Lake Waccamaw, Makatoka, Freeland, Dulah, Nakina, Old Dock,
Mollie, Exum, Bughill and Crusoe Island.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Thunderstorms can pose a variety of threats including gusty winds,
small hail, cloud to ground lightning, and localized flooding. It is
recommended that you remain indoors until the storm passes.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3403 7870 3411 7880 3432 7856 3412 7836
TIME...MOT...LOC 0921Z 237DEG 26KT 3408 7868 

$$

IGB

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 20, 3:35 AM EDTFlash Flood WatchILMBladen, Brunswick, Columbus, New Hanover, Pender, Robeson19 hr
Jun 20, 5:20 AM EDTTropical Storm WarningILMBrunswick, New Hanover, Pender27 hr
Jun 20, 5:36 AM EDTSmall Craft AdvisoryILM5 hr
Jun 20, 6:20 AM EDTSpecial Weather StatementILMNew Hanover25 min
Jun 20, 6:40 AM EDTSpecial Marine WarningILM35 min
Jun 20, 7:16 PM EDTSpecial Weather StatementILMRobeson44 min
Jun 20, 7:55 PM EDTBeach Hazards StatementILMNew Hanover, Pender24 hr
Jun 20, 7:55 PM EDTRip Current StatementILMBrunswick24 hr
Jun 20, 6:28 PM EDTSpecial Weather StatementILMFlorence, Georgetown, Williamsburg47 min
Jun 20, 6:57 PM EDTSpecial Weather StatementILMDarlington, Marlboro18 min

Nearby

Special Weather Statements in North Carolina, 2021Every special weather statement 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.