Alert archive / North Carolina / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 17, NWS Newport/Morehead City, NC

May 3, 20214 counties in North Carolina

NWS Newport/Morehead City, NC issued this severe thunderstorm warning at May 3, 2021, 2:10 PM EDT for 4 counties in North Carolina. It was in force for 35 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: May 3, 2021, 2:10 PM EDT (18:10 UTC)
Expired: May 3, 2021, 2:45 PM EDT
In force: 35 min
Issued by: NWS Newport/Morehead City, NC
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Beaufort County, NC, Hyde County, NC, Tyrrell County, NC, Washington County, NC

The radar

The Morehead City radar (KMHX), 100 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, 6.2 hours before the alert went out and 99 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 370 J/kg
Mixed-layer CIN: -16 J/kg
Mixed-layer LCL: 655 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 133 m²/s²
0-3 km storm-relative helicity: 105 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 1.4

Open this sounding in Storm Lab

The text

As transmitted.

993 
WUUS52 KMHX 031810
SVRMHX
NCC013-095-177-187-031900-
/O.NEW.KMHX.SV.W.0017.210503T1810Z-210503T1900Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Newport/Morehead City NC
210 PM EDT Mon May 3 2021

The National Weather Service in Newport has issued a

* Severe Thunderstorm Warning for...
  Southeastern Washington County in eastern North Carolina...
  Northwestern Hyde County in eastern North Carolina...
  Northeastern Beaufort County in eastern North Carolina...
  Southwestern Tyrrell County in eastern North Carolina...

* Until 300 PM EDT.

* At 210 PM EDT, a severe thunderstorm was located over Ponzer, or 21
  miles southeast of Plymouth, moving northeast at 15 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...
  Kilkenny, Killkenny, Ponzer, Pungo, Leechville, Pungo Lake and
  Alligator Lake.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Prepare immediately for large hail and damaging winds. People outside
should move immediately to shelter inside a strong building. Stay
away from windows.

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.

&&

LAT...LON 3547 7656 3562 7668 3585 7637 3563 7618
TIME...MOT...LOC 1810Z 235DEG 14KT 3559 7655 

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

mlee

1 follow-up statement

992 
WWUS52 KMHX 031845
SVSMHX

Severe Weather Statement
National Weather Service Newport/Morehead City NC
245 PM EDT Mon May 3 2021

NCC013-095-177-187-031854-
/O.CAN.KMHX.SV.W.0017.000000T0000Z-210503T1900Z/
Washington NC-Hyde NC-Beaufort NC-Tyrrell NC-
245 PM EDT Mon May 3 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN WASHINGTON...
NORTHWESTERN HYDE...NORTHEASTERN BEAUFORT AND SOUTHWESTERN TYRRELL
COUNTIES IS CANCELLED...
                
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 has been cancelled.  However heavy rain is
still possible with this thunderstorm.

LAT...LON 3547 7656 3562 7668 3585 7637 3563 7618
TIME...MOT...LOC 1843Z 235DEG 14KT 3567 7641 

$$

mlee

The office that day

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

Issued	Product	Office	Counties	Lasted
May 3, 3:29 AM EDT	Small Craft Advisory	MHX		3 days
May 3, 1:07 PM EDT	Special Weather Statement	MHX	Duplin	53 min
May 3, 1:16 PM EDT	Special Weather Statement	MHX	Craven, Jones	44 min
May 3, 1:45 PM EDT	Special Weather Statement	MHX	Tyrrell, Washington	45 min
May 3, 2:02 PM EDT	Special Weather Statement	MHX	Jones, Lenoir	43 min
May 3, 2:28 PM EDT	Special Weather Statement	MHX	Duplin	47 min
May 3, 2:53 PM EDT	Special Marine Warning	MHX		67 min
May 3, 3:00 PM EDT	Special Weather Statement	MHX	Tyrrell	45 min
May 3, 3:38 PM EDT	Special Weather Statement	MHX	Craven, Pamlico	52 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2021 Every 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.