Alert archive / North Carolina / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 19, NWS Newport/Morehead City, NC

May 10, 20214 counties in North Carolina

NWS Newport/Morehead City, NC issued this severe thunderstorm warning at May 10, 2021, 4:39 PM EDT for 4 counties in North Carolina. It was in force for 36 min. 3 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: May 10, 2021, 4:39 PM EDT (20:39 UTC)
Expired: May 10, 2021, 5:15 PM EDT
In force: 36 min
Issued by: NWS Newport/Morehead City, NC
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Carteret County, NC, Craven County, NC, Jones County, NC, Onslow County, NC

The radar

The Morehead City radar (KMHX), 18 km from the middle of the area, began a volume at 20:43 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.

What was reported inside it

Time	Report	Where	Remark
May 10, 4:43 PM EDT	TSTM WND DMG	3 S Silverdale, NC	LARGE PINE TREE DOWN.
May 10, 4:44 PM EDT	TSTM WND DMG	1 Wnw Silverdale, NC	TREE DOWN ON BELGRADE-SWANSBORO RD, PARTIALLY BLOCKING ONE LANE.
May 10, 4:51 PM EDT	TSTM WND DMG	2 Wnw Peletier, NC	LARGE TREE DOWN.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 10, 3:57 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Newport, NC (KMHX), launched 12:00Z, 8.7 hours before the alert went out and 18 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: 1414 J/kg
Mixed-layer CIN: -27 J/kg
Mixed-layer LCL: 607 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 235 m²/s²
0-3 km storm-relative helicity: 235 m²/s²
Significant tornado parameter: 1.6
Supercell composite: 7.9

Open this sounding in Storm Lab

The text

As transmitted.

171 
WUUS52 KMHX 102039
SVRMHX
NCC031-049-103-133-102115-
/O.NEW.KMHX.SV.W.0019.210510T2039Z-210510T2115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Newport/Morehead City NC
439 PM EDT Mon May 10 2021

The National Weather Service in Newport has issued a

* Severe Thunderstorm Warning for...
  Southeastern Jones County in eastern North Carolina...
  Southeastern Craven County in eastern North Carolina...
  Northeastern Onslow County in eastern North Carolina...
  Southwestern Carteret County in eastern North Carolina...

* Until 515 PM EDT.

* At 439 PM EDT, a severe thunderstorm was located over Silverdale,
  or 8 miles east of Piney Green, moving east at 30 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...
  Havelock, Morehead City, Newport, Stella, Swansboro, Hubert, Cape
  Carteret, Pine Knoll Shores, Silverdale, Belgrade, Broad Creek,
  Wildwood, Kuhns, Peletier, Bogue, Bogue Inlet Pier, Cedar Point and
  Indian Beach.

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.

&&

LAT...LON 3465 7725 3488 7728 3492 7681 3465 7679
TIME...MOT...LOC 2039Z 266DEG 26KT 3477 7718 

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

8

1 follow-up statement

524 
WWUS52 KMHX 102056
SVSMHX

Severe Weather Statement
National Weather Service Newport/Morehead City NC
456 PM EDT Mon May 10 2021

NCC103-133-102106-
/O.CAN.KMHX.SV.W.0019.000000T0000Z-210510T2115Z/
Jones NC-Onslow NC-
456 PM EDT Mon May 10 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN JONES AND
NORTHEASTERN ONSLOW COUNTIES IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 1000 PM EDT for
eastern North Carolina.

LAT...LON 3465 7716 3467 7716 3471 7719 3471 7718
      3467 7714 3471 7711 3473 7714 3479 7717
      3480 7709 3483 7705 3483 7711 3489 7711
      3492 7681 3465 7679 3465 7711 3466 7711
      3465 7713
TIME...MOT...LOC 2056Z 266DEG 26KT 3478 7703 

$$

NCC031-049-102115-
/O.CON.KMHX.SV.W.0019.000000T0000Z-210510T2115Z/
Craven NC-Carteret NC-
456 PM EDT Mon May 10 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM EDT
FOR SOUTHEASTERN CRAVEN AND SOUTHWESTERN CARTERET COUNTIES...

At 456 PM EDT, a severe thunderstorm was located near Peletier, or 9
miles west of Newport, moving east at 30 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...
Havelock, Morehead City, Newport, Stella, Swansboro, Cape Carteret,
Pine Knoll Shores, Broad Creek, Wildwood, Kuhns, Peletier, Bogue,
Bogue Inlet Pier, Cedar Point and Indian Beach.

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.

&&

LAT...LON 3465 7716 3467 7716 3471 7719 3471 7718
      3467 7714 3471 7711 3473 7714 3479 7717
      3480 7709 3483 7705 3483 7711 3489 7711
      3492 7681 3465 7679 3465 7711 3466 7711
      3465 7713
TIME...MOT...LOC 2056Z 266DEG 26KT 3478 7703 

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

8

The office that day

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

Issued	Product	Office	Counties	Lasted
May 9, 8:05 PM EDT	Beach Hazards Statement	MHX	Carteret, Dare, Hyde, Onslow	24 hr
May 10, 12:28 PM EDT	Special Weather Statement	MHX	Tyrrell	32 min
May 10, 12:33 PM EDT	Special Marine Warning	MHX		42 min
May 10, 12:59 PM EDT	Special Marine Warning	MHX		46 min
May 10, 1:12 PM EDT	Special Weather Statement	MHX	Dare	33 min
May 10, 1:42 PM EDT	Special Marine Warning	MHX		33 min
May 10, 2:01 PM EDT	Special Weather Statement	MHX	Dare	29 min
May 10, 2:31 PM EDT	Special Weather Statement	MHX	Dare	29 min
May 10, 3:29 PM EDT	Special Marine Warning	MHX		46 min
May 10, 4:03 PM EDT	Special Weather Statement	MHX	Onslow	42 min
May 10, 4:19 PM EDT	Special Weather Statement	MHX	Tyrrell	26 min
May 10, 4:21 PM EDT	Special Marine Warning	MHX		24 min
May 10, 4:30 PM EDT	Special Weather Statement	MHX	Dare	30 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.