Alert archive / North Carolina / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 70, NWS Raleigh, NC

June 20, 2021Sampson County, Wayne County, North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at Jun 20, 2021, 2:07 PM EDT for Sampson County, Wayne County, North Carolina. It was in force for 38 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, 2:07 PM EDT (18:07 UTC)
Expired
Jun 20, 2021, 2:45 PM EDT
In force
38 min
Issued by
NWS Raleigh, NC
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Sampson County, NC, Wayne County, NC

The radar

The Raleigh/Durham radar (KRAX), 60 km from the middle of the area, began a volume at 18:09 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, 6.1 hours before the alert went out and 127 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 2021-06-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 215 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 12:00Z on 2021-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 115 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
215 J/kg
Mixed-layer CIN
-48 J/kg
Mixed-layer LCL
986 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
115 m²/s²
0-3 km storm-relative helicity
158 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

As transmitted.

449 
WUUS52 KRAH 201807
SVRRAH
NCC163-191-201845-
/O.NEW.KRAH.SV.W.0070.210620T1807Z-210620T1845Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Raleigh NC
207 PM EDT Sun Jun 20 2021

The National Weather Service in Raleigh has issued a

* Severe Thunderstorm Warning for...
  Southern Wayne County in central North Carolina...
  Northeastern Sampson County in central North Carolina...

* Until 245 PM EDT.

* At 206 PM EDT, a severe thunderstorm was located 9 miles northwest
  of Bowdens, or 10 miles west of Mount Olive, moving east at 30 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Goldsboro, Clinton, Mount Olive, Walnut Creek, Newton Grove,
  Turkey, Seven Springs, Mar-Mac, Cliffs Of The Neuse State Park and
  Elroy.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Straight line winds can blow down trees, power lines, and damage
mobile homes and other buildings. Seek shelter in a sturdy structure
until the storm has passed. Stay away from windows as flying debris
generated by damaging winds can be deadly.

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

&&

LAT...LON 3528 7854 3528 7851 3526 7849 3526 7841
      3529 7830 3531 7829 3536 7782 3518 7783
      3516 7788 3515 7789 3517 7793 3516 7797
      3519 7802 3518 7807 3519 7816 3509 7817
      3508 7816 3500 7816 3500 7841
TIME...MOT...LOC 1806Z 264DEG 27KT 3514 7824 

HAIL...<.75IN
WIND...60MPH
 
$$
2 follow-up statements
830 
WWUS52 KRAH 201825
SVSRAH

Severe Weather Statement
National Weather Service Raleigh NC
225 PM EDT Sun Jun 20 2021

NCC163-201834-
/O.CAN.KRAH.SV.W.0070.000000T0000Z-210620T1845Z/
Sampson NC-
225 PM EDT Sun Jun 20 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN SAMPSON COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 3518 7783 3515 7790 3517 7793 3516 7796
      3517 7797 3518 7799 3519 7802 3519 7804
      3518 7807 3519 7816 3521 7817 3521 7820
      3532 7821 3536 7782
TIME...MOT...LOC 1824Z 264DEG 27KT 3515 7807 

$$

NCC191-201845-
/O.CON.KRAH.SV.W.0070.000000T0000Z-210620T1845Z/
Wayne NC-
225 PM EDT Sun Jun 20 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 PM EDT
FOR SOUTHERN WAYNE COUNTY...

At 224 PM EDT, a severe thunderstorm was located over Mount Olive,
moving east at 30 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Goldsboro, Mount Olive, Walnut Creek, Seven Springs, Mar-Mac,
Brogden, Cliffs Of The Neuse State Park, Elroy and Grantham.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Straight line winds can blow down trees, power lines, and damage
mobile homes and other buildings. Seek shelter in a sturdy structure
until the storm has passed. Stay away from windows as flying debris
generated by damaging winds can be deadly.

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

&&

LAT...LON 3518 7783 3515 7790 3517 7793 3516 7796
      3517 7797 3518 7799 3519 7802 3519 7804
      3518 7807 3519 7816 3521 7817 3521 7820
      3532 7821 3536 7782
TIME...MOT...LOC 1824Z 264DEG 27KT 3515 7807 

HAIL...<.75IN
WIND...60MPH
 
$$

np
522 
WWUS52 KRAH 201841
SVSRAH

Severe Weather Statement
National Weather Service Raleigh NC
241 PM EDT Sun Jun 20 2021

NCC191-201851-
/O.EXP.KRAH.SV.W.0070.000000T0000Z-210620T1845Z/
Wayne NC-
241 PM EDT Sun Jun 20 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN WAYNE COUNTY WILL
EXPIRE AT 245 PM EDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However heavy rain
is still possible with this thunderstorm.

LAT...LON 3518 7783 3515 7790 3517 7793 3516 7796
      3517 7797 3518 7799 3519 7802 3519 7804
      3518 7807 3519 7816 3521 7817 3521 7820
      3532 7821 3536 7782
TIME...MOT...LOC 1841Z 264DEG 27KT 3516 7792 

$$

np

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 20, 6:52 AM EDTSpecial Weather StatementRAHHoke, Scotland38 min
Jun 20, 7:37 AM EDTSpecial Weather StatementRAHHoke53 min
Jun 20, 8:23 AM EDTSpecial Weather StatementRAHCumberland52 min
Jun 20, 12:29 PM EDTSpecial Weather StatementRAHHarnett61 min
Jun 20, 1:51 PM EDTSpecial Weather StatementRAHSampson, Wayne39 min
Jun 20, 2:17 PM EDTAreal Flood AdvisoryRAHSampson, Wayne58 min
Jun 20, 2:32 PM EDTSpecial Weather StatementRAHHarnett, Wake43 min
Jun 20, 3:21 PM EDTSpecial Weather StatementRAHHarnett, Lee39 min
Jun 20, 3:25 PM EDTSpecial Weather StatementRAHAnson50 min
Jun 20, 4:13 PM EDTSpecial Weather StatementRAHHarnett62 min
Jun 20, 4:31 PM EDTAreal Flood AdvisoryRAHHarnett3 hr
Jun 20, 6:24 PM EDTSpecial Weather StatementRAHCumberland, Hoke, Scotland66 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.