Alert archive / North Carolina / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 12, NWS Newport/Morehead City, NC

March 31, 20214 counties in North Carolina

NWS Newport/Morehead City, NC issued this severe thunderstorm warning at Mar 31, 2021, 3:53 PM EDT for 4 counties in North Carolina. It was in force for 52 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, 3:53 PM EDT (19:53 UTC)
Expired
Mar 31, 2021, 4:45 PM EDT
In force
52 min
Issued by
NWS Newport/Morehead City, NC
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Duplin County, NC, Jones County, NC, Lenoir County, NC, Onslow County, NC

The radar

The Morehead City radar (KMHX), 64 km from the middle of the area, began a volume at 19:55 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, 7.9 hours before the alert went out and 63 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 2021-03-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 80 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 2021-03-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 53 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
80 J/kg
Mixed-layer CIN
-35 J/kg
Mixed-layer LCL
821 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
53 m²/s²
0-3 km storm-relative helicity
89 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

657 
WUUS52 KMHX 311953
SVRMHX
NCC061-103-107-133-312045-
/O.NEW.KMHX.SV.W.0012.210331T1953Z-210331T2045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Newport/Morehead City NC
353 PM EDT Wed Mar 31 2021

The National Weather Service in Newport has issued a

* Severe Thunderstorm Warning for...
  Central Jones County in eastern North Carolina...
  South central Lenoir County in eastern North Carolina...
  Northwestern Onslow County in eastern North Carolina...
  East central Duplin County in eastern North Carolina...

* Until 445 PM EDT.

* At 353 PM EDT, a severe thunderstorm was located over Potters Hill,
  or 15 miles northwest of Half Moon, moving east at 20 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Phillips Crossroads, Comfort, Petersburg, Pleasant Hill, Potters
  Hill, Pink Hill, Hargetts Crossroads and Trenton.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Please send your reports of hail and/or wind damage, including trees
or large limbs downed, by calling the National Weather Service office
in Newport at 1-800-889-6889.

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

&&

LAT...LON 3519 7739 3515 7733 3494 7725 3488 7774
      3505 7776
TIME...MOT...LOC 1953Z 251DEG 18KT 3498 7767 

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

Simms
3 follow-up statements
172 
WWUS52 KMHX 312005
SVSMHX

Severe Weather Statement
National Weather Service Newport/Morehead City NC
405 PM EDT Wed Mar 31 2021

NCC061-107-312015-
/O.CAN.KMHX.SV.W.0012.000000T0000Z-210331T2045Z/
Lenoir NC-Duplin NC-
405 PM EDT Wed Mar 31 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL LENOIR AND EAST
CENTRAL DUPLIN COUNTIES IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 3507 7760 3513 7755 3519 7739 3515 7733
      3494 7725 3489 7766 3492 7765 3495 7767
      3497 7768 3501 7773
TIME...MOT...LOC 2005Z 251DEG 18KT 3500 7760 

$$

NCC103-133-312045-
/O.CON.KMHX.SV.W.0012.000000T0000Z-210331T2045Z/
Jones NC-Onslow NC-
405 PM EDT Wed Mar 31 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM EDT
FOR CENTRAL JONES AND NORTHWESTERN ONSLOW COUNTIES...

At 405 PM EDT, a severe thunderstorm was located near Pleasant Hill,
or 14 miles northwest of Half Moon, moving east at 20 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Phillips Crossroads, Comfort, Petersburg, Pleasant Hill, Hargetts
Crossroads and Trenton.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Please send your reports of hail and/or wind damage, including trees
or large limbs downed, by calling the National Weather Service office
in Newport at 1-800-889-6889.

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

&&

LAT...LON 3507 7760 3513 7755 3519 7739 3515 7733
      3494 7725 3489 7766 3492 7765 3495 7767
      3497 7768 3501 7773
TIME...MOT...LOC 2005Z 251DEG 18KT 3500 7760 

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

Simms
352 
WWUS52 KMHX 312021
SVSMHX

Severe Weather Statement
National Weather Service Newport/Morehead City NC
421 PM EDT Wed Mar 31 2021

NCC103-133-312045-
/O.CON.KMHX.SV.W.0012.000000T0000Z-210331T2045Z/
Jones NC-Onslow NC-
421 PM EDT Wed Mar 31 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM EDT
FOR CENTRAL JONES AND NORTH CENTRAL ONSLOW COUNTIES...

At 420 PM EDT, a severe thunderstorm was located over Comfort, or 12
miles north of Half Moon, moving east at 20 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Phillips Crossroads, Comfort, Petersburg, Pleasant Hill and Trenton. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Please send your reports of hail and/or wind damage, including trees
or large limbs downed, by calling the National Weather Service office
in Newport at 1-800-889-6889.

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

&&

LAT...LON 3490 7758 3506 7762 3507 7760 3509 7758
      3515 7733 3514 7733 3494 7725 3491 7754
TIME...MOT...LOC 2020Z 261DEG 18KT 3501 7750 

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

Simms
309 
WWUS52 KMHX 312041
SVSMHX

Severe Weather Statement
National Weather Service Newport/Morehead City NC
441 PM EDT Wed Mar 31 2021

NCC103-133-312050-
/O.EXP.KMHX.SV.W.0012.000000T0000Z-210331T2045Z/
Jones NC-Onslow NC-
441 PM EDT Wed Mar 31 2021

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL JONES AND NORTH
CENTRAL ONSLOW COUNTIES WILL EXPIRE AT 445 PM EDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

A new Severe Thunderstorm Warning is now in effect for Central Jones 
County until 530 PM EDT.

LAT...LON 3490 7758 3506 7762 3507 7760 3509 7758
      3515 7733 3514 7733 3494 7725 3491 7754
TIME...MOT...LOC 2040Z 251DEG 18KT 3504 7740 

$$

Simms

The office that day

Everything else NWS Newport/Morehead City, NC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 31, 2:28 AM EDTSmall Craft AdvisoryMHX3 days
Mar 31, 3:00 PM EDTFreeze WatchMHXBeaufort, Craven, Duplin, Greene, Hyde, Jones and 7 more13 hr
Mar 31, 3:46 PM EDTSpecial Weather StatementMHXJones29 min
Mar 31, 4:39 PM EDTSevere Thunderstorm WarningMHXCraven, Jones32 min
Mar 31, 5:33 PM EDTSpecial Weather StatementMHXGreene, Pitt42 min
Mar 31, 6:08 PM EDTSpecial Weather StatementMHXDuplin52 min
Mar 31, 7:24 PM EDTSpecial Weather StatementMHXDuplin, Lenoir51 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.