Alert archive / North Carolina / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 4, NWS Wilmington, NC

March 31, 2021Robeson County, North Carolina

NWS Wilmington, NC issued this severe thunderstorm warning at Mar 31, 2021, 4:08 PM EDT for Robeson County, North Carolina. It was in force for 37 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
Mar 31, 2021, 4:08 PM EDT (20:08 UTC)
Expired
Mar 31, 2021, 4:45 PM EDT
In force
37 min
Issued by
NWS Wilmington, NC
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Robeson County, NC

The radar

The Raleigh/Durham radar (KRAX), 102 km from the middle of the area, began a volume at 20:10 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

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 8.1 hours before the alert went out and 156 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, Greensboro/Hi Pt, NC at 12:00Z on 2021-03-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 10 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, Greensboro/Hi Pt, NC at 12:00Z on 2021-03-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 157 square meters per square second.19395878Sfc1 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
10 J/kg
Mixed-layer CIN
-19 J/kg
Mixed-layer LCL
552 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
157 m²/s²
0-3 km storm-relative helicity
184 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

442 
WUUS52 KILM 312008
SVRILM
NCC155-312045-
/O.NEW.KILM.SV.W.0004.210331T2008Z-210331T2045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Wilmington NC
408 PM EDT Wed Mar 31 2021

The National Weather Service in Wilmington has issued a

* Severe Thunderstorm Warning for...
  Northeastern Robeson County in southeastern North Carolina...

* Until 445 PM EDT.

* At 407 PM EDT, a severe thunderstorm was located over Red Springs,
  moving northeast at 40 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...
  Red Springs, Wakulla, Rex, Shannon, Parkton, Rennert and Lumber
  Bridge.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Intense thunderstorms can produce brief tornadoes. Although a 
tornado is not immediately likely, it is best to move to an interior 
room on the lowest floor of a building. This storm may cause serious 
injury and significant property damage.

&&

LAT...LON 3491 7896 3489 7893 3487 7892 3486 7893
      3484 7891 3475 7925 3484 7928 3483 7919
      3495 7903
TIME...MOT...LOC 2007Z 241DEG 35KT 3483 7920 

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

III
2 follow-up statements
913 
WWUS52 KILM 312021
SVSILM

Severe Weather Statement
National Weather Service Wilmington NC
421 PM EDT Wed Mar 31 2021

NCC155-312045-
/O.CON.KILM.SV.W.0004.000000T0000Z-210331T2045Z/
Robeson NC-
421 PM EDT Wed Mar 31 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM EDT
FOR NORTH CENTRAL ROBESON COUNTY...

At 421 PM EDT, a severe thunderstorm was located over Rex, or near
Red Springs, moving east at 30 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...
Rex, Shannon, Parkton, Rennert and Lumber Bridge. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

This thunderstorm is capable of producing all types of severe weather
including extremely large hail, destructive straight line winds and
tornadoes. Move quickly to a safe shelter, such as an interior room,
a bathroom or closet or basement.

&&

LAT...LON 3479 7914 3484 7917 3495 7903 3491 7896
      3489 7893 3487 7892 3486 7893 3485 7892
TIME...MOT...LOC 2021Z 248DEG 28KT 3486 7909 

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

III
107 
WWUS52 KILM 312036
SVSILM

Severe Weather Statement
National Weather Service Wilmington NC
436 PM EDT Wed Mar 31 2021

NCC155-312046-
/O.EXP.KILM.SV.W.0004.000000T0000Z-210331T2045Z/
Robeson NC-
436 PM EDT Wed Mar 31 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL ROBESON COUNTY
WILL EXPIRE AT 445 PM EDT...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.

LAT...LON 3479 7914 3484 7917 3495 7903 3491 7896
      3489 7893 3487 7892 3486 7893 3485 7892
TIME...MOT...LOC 2036Z 241DEG 35KT 3493 7895 

$$

III

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 31, 3:32 AM EDTSmall Craft AdvisoryILM57 hr
Mar 31, 3:17 PM EDTCoastal Flood AdvisoryILMNew Hanover12 hr
Mar 31, 3:26 PM EDTSpecial Weather StatementILMColumbus49 min
Mar 31, 3:44 PM EDTFreeze WatchILMBladen, Columbus, Pender, Robeson23 hr
Mar 31, 4:03 PM EDTSpecial Weather StatementILMHoke57 min
Mar 31, 5:33 PM EDTSpecial Weather StatementILMBladen27 min
Mar 31, 6:48 PM EDTSpecial Weather StatementILMColumbus27 min
Mar 31, 7:37 PM EDTSpecial Weather StatementILMColumbus23 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2021Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.