Alert archive / North Carolina / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 89, NWS Wilmington, NC

August 21, 2022Pender County, North Carolina

NWS Wilmington, NC issued this severe thunderstorm warning at Aug 21, 2022, 3:11 PM EDT for Pender County, North Carolina. It was in force for 25 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 21, 2022, 3:11 PM EDT (19:11 UTC)
Expired
Aug 21, 2022, 3:36 PM EDT
In force
25 min
Issued by
NWS Wilmington, NC
Area
Storm-based polygon
Tornado
Possible
Hail
0.75 in
Wind
60.0 mph

County Pender County, NC

The radar

The Wilmington radar (KLTX), 77 km from the middle of the area, began a volume at 19:13 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 12:00Z, 7.2 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-pSkew-T log-p diagram, Newport, NC at 12:00Z on 2022-08-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1056 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Newport, NC at 12:00Z on 2022-08-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -30 square meters per square second.1939Sfc1 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
1056 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
648 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
-30 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

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Wilmington, NC wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 21, 1:30 PM EDT, 1 hour 41 minutes earlier.

Area forecast discussion, Aug 21, 1:30 PM EDT, 1 hour 41 minutes before
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Hazardous weather outlook, Aug 21, 3:28 AM EDT, 11 hours 43 minutes before
Hazardous Weather Outlook
National Weather Service Wilmington NC
328 AM EDT Sun Aug 21 2022

AMZ250-252-254-256-NCZ087-096-099-105>110-SCZ017-023-024-032-033-039-
054>056-058-059-220730-
Coastal waters from Surf City to Cape Fear NC out 20 nm-
Coastal waters from Cape Fear NC to Little River Inlet SC out 20 nm-
Coastal waters from Little River Inlet to Murrells Inlet SC out
20 nm-
Coastal waters from Murrells Inlet to South Santee River SC out
20 nm-Robeson-Bladen-Columbus-Inland Pender-Coastal Pender-
Inland New Hanover-Coastal New Hanover-Inland Brunswick-
Coastal Brunswick-Marlboro-Darlington-Dillon-Florence-Marion-
Williamsburg-Coastal Horry-Inland Georgetown-Coastal Georgetown-
Central Horry-Northern Horry-
328 AM EDT Sun Aug 21 2022

This Hazardous Weather Outlook is for the adjacent Coastal Waters,
southeast North Carolina and northeast South Carolina.

.DAY ONE...Today and tonight.

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Special weather statement, Aug 21, 9:43 AM EDT, 5 hours 28 minutes before
Special Weather Statement
National Weather Service Wilmington NC
943 AM EDT Sun Aug 21 2022

SCZ056-211415-
Coastal Georgetown SC-
943 AM EDT Sun Aug 21 2022

...A strong thunderstorm will impact portions of southeastern
Georgetown County through 1015 AM EDT...

At 941 AM EDT, Doppler radar was tracking a strong thunderstorm
capable of producing a waterspout over Yawkey South Island and
Winyah Bay, moving northeast at 15 mph.

HAZARD...Waterspouts and winds in excess of 40 mph.

SOURCE...Radar indicated.

IMPACT...Waterspouts can easily overturn boats and create locally
         hazardous waters. Gusty winds could knock down tree limbs
         and blow around unsecured objects.

Locations impacted include...
DeBordieu Colony, Yawkey South Island and Winyah Bay Entrance.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

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 3314 7927 3314 7928 3315 7932 3315 7935
      3317 7938 3342 7920 3340 7914 3338 7915
      3325 7918 3320 7917 3316 7920 3314 7924
      3312 7925 3312 7927
TIME...MOT...LOC 1341Z 216DEG 27KT 3320 7920

WATERSPOUT...POSSIBLE
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH

IGB
Special weather statement, Aug 21, 2:02 PM EDT, 1 hour 9 minutes before
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Special weather statement, Aug 21, 2:04 PM EDT, 1 hour 7 minutes before
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Special weather statement, Aug 21, 2:24 PM EDT, 47 minutes before
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Special weather statement, Aug 21, 3:05 PM EDT, 6 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Aug 21, 9:02 AM EDTSpecial Marine WarningILM58 min
Aug 21, 9:57 AM EDTSpecial Marine WarningILM93 min
Aug 21, 11:36 AM EDTSpecial Marine WarningILM24 min
Aug 21, 1:40 PM EDTSpecial Marine WarningILM50 min
Aug 21, 2:02 PM EDTSpecial Weather StatementILMPender43 min
Aug 21, 2:04 PM EDTSpecial Weather StatementILMBladen41 min
Aug 21, 3:05 PM EDTSpecial Weather StatementILMPender25 min
Aug 21, 3:18 PM EDTSpecial Weather StatementILMColumbus27 min
Aug 21, 3:51 PM EDTSpecial Weather StatementILMColumbus24 min
Aug 21, 4:00 PM EDTAreal Flood AdvisoryILMPender110 min
Aug 21, 5:04 PM EDTAreal Flood AdvisoryILMColumbus95 min
Aug 21, 9:43 AM EDTSpecial Weather StatementILMGeorgetown32 min
Aug 21, 10:30 AM EDTRiver Flood WarningILMDarlington, Florence24 hr
Aug 21, 2:24 PM EDTSpecial Weather StatementILMGeorgetown36 min
Aug 21, 3:11 PM EDTAreal Flood AdvisoryILMGeorgetown115 min
Aug 21, 3:20 PM EDTSpecial Weather StatementILMHorry25 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2022Every severe thunderstorm warning in 2022

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.