Alert archive / North Carolina / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 60, NWS Wilmington, NC

August 7, 2020Columbus County, Robeson County, North Carolina

NWS Wilmington, NC issued this severe thunderstorm warning at Aug 7, 2020, 6:58 PM EDT for Columbus County, Robeson County, North Carolina. It was in force for 16 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 7, 2020, 6:58 PM EDT (22:58 UTC)
Expired
Aug 7, 2020, 7:14 PM EDT
In force
16 min
Issued by
NWS Wilmington, NC
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Columbus County, NC, Robeson County, NC

The radar

The Wilmington radar (KLTX), 66 km from the middle of the area, began a volume at 23:00 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, 11.0 hours before the alert went out and 187 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 2020-08-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1871 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 2020-08-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 41 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
1871 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
705 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
41 m²/s²
0-3 km storm-relative helicity
52 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.6

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 7, 2:54 PM EDT, 4 hours 4 minutes earlier.

Area forecast discussion, Aug 7, 2:54 PM EDT, 4 hours 4 minutes before
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Hazardous weather outlook, Aug 7, 5:22 AM EDT, 13 hours 36 minutes before
Hazardous Weather Outlook
National Weather Service Wilmington NC
522 AM EDT Fri Aug 7 2020

AMZ250-252-254-256-NCZ087-096-099-105>110-SCZ017-023-024-032-033-039-
054>056-058-059-080930-
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-
522 AM EDT Fri Aug 7 2020

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...Saturday through Thursday.

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 7, 4:51 PM EDT, 2 hours 7 minutes before
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Special weather statement, Aug 7, 5:49 PM EDT, 1 hour 9 minutes before
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Special weather statement, Aug 7, 6:08 PM EDT, 50 minutes before
Special Weather Statement
National Weather Service Wilmington NC
608 PM EDT Fri Aug 7 2020

NCZ087-072315-
Robeson NC-
608 PM EDT Fri Aug 7 2020

...SPECIAL WEATHER STATEMENT FOR NORTHEASTERN ROBESON COUNTY UNTIL
715 PM EDT...

At 607 PM EDT, Doppler radar was tracking a strong thunderstorm near
Buie, or 7 miles southeast of Red Springs, moving east at 25 mph.

Winds in excess of 40 mph will be possible with this storm.

Locations impacted include...
Lumberton, Red Springs, St. Pauls, Smiths, Rex, Howellsville,
Tolarsville, Shannon, Buie, Robeson Community College, Barker Ten
Mile, Parkton, Rennert, Lumber Bridge and Southeastern Regional
Medical Center.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

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 3491 7896 3489 7893 3486 7893 3481 7889
      3474 7886 3470 7882 3468 7881 3466 7882
      3465 7881 3462 7883 3465 7917 3484 7919
      3494 7902
TIME...MOT...LOC 2207Z 271DEG 15KT 3475 7908

SHK
Special weather statement, Aug 7, 6:20 PM EDT, 38 minutes before
Special Weather Statement
National Weather Service Wilmington NC
620 PM EDT Fri Aug 7 2020

NCZ087-072315-
Robeson NC-
620 PM EDT Fri Aug 7 2020

...SPECIAL WEATHER STATEMENT FOR NORTHWESTERN ROBESON COUNTY UNTIL
715 PM EDT...

At 620 PM EDT, Doppler radar was tracking a strong thunderstorm near
Raemon, or 8 miles southeast of Laurinburg, moving east at 25 mph.

Winds in excess of 40 mph will be possible with this storm.

Locations impacted include...
Pembroke, Maxton, Wakulla, Raemon, Purvis, Prospect, Elrod and
Raynham.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

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 3483 7923 3457 7909 3455 7936 3463 7946
      3477 7933 3482 7936 3484 7934
TIME...MOT...LOC 2220Z 256DEG 16KT 3465 7941

SHK
Special weather statement, Aug 7, 6:51 PM EDT, 7 minutes before
Special Weather Statement
National Weather Service Wilmington NC
651 PM EDT Fri Aug 7 2020

NCZ087-SCZ024-072345-
Robeson NC-Dillon SC-
651 PM EDT Fri Aug 7 2020

...SPECIAL WEATHER STATEMENT FOR SOUTHEASTERN ROBESON AND EAST
CENTRAL DILLON COUNTIES UNTIL 745 PM EDT...

At 651 PM EDT, Doppler radar was tracking a strong thunderstorm near
Fairmont, or 11 miles northeast of Dillon, moving east at 25 mph.

Wind gusts up to 40 mph will be possible with this storm.

Locations impacted include...
Fairmont, Rowland, Barnesville, Marietta, Proctorville, Mcdonald and
Orrum.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

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 3439 7899 3438 7901 3437 7900 3435 7901
      3434 7903 3440 7929 3455 7930 3460 7887
TIME...MOT...LOC 2251Z 274DEG 19KT 3449 7919

SHK

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 7, 6:08 PM EDTSpecial Weather StatementILMRobeson67 min
Aug 7, 6:20 PM EDTSpecial Weather StatementILMRobeson55 min
Aug 7, 6:51 PM EDTSpecial Weather StatementILMRobeson54 min
Aug 7, 7:16 PM EDTSpecial Weather StatementILMRobeson59 min
Aug 7, 4:51 PM EDTSpecial Weather StatementILMDarlington54 min
Aug 7, 5:49 PM EDTSpecial Weather StatementILMDillon, Marlboro56 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2020Every severe thunderstorm warning 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.