Alert archive / North Carolina / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 18, NWS Newport/Morehead City, NC
NWS Newport/Morehead City, NC issued this severe thunderstorm warning at May 4, 2021, 7:35 PM EDT for Dare County, Tyrrell County, Washington County, North Carolina. It was in force for 40 min. 1 report 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 4, 2021, 7:35 PM EDT (23:35 UTC)
- Expired
- May 4, 2021, 8:15 PM EDT
- In force
- 40 min
- Issued by
- NWS Newport/Morehead City, NC
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Dare County, NC, Tyrrell County, NC, Washington County, NC
The radar
The Norfolk radar (KAKQ), 140 km from the middle of the area, began a volume at 23:37 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 4, 7:50 PM EDT | TSTM WND DMG | Columbia, NC | *** 1 INJ *** WIND CAUSED TENT COLLAPSE IN COLUMBIA, 1 INJURED AND TAKEN TO HOSPITAL. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Newport, NC (KMHX), launched 12:00Z, 11.6 hours before the alert went out and 166 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.
- Mixed-layer CAPE
- 711 J/kg
- Mixed-layer CIN
- -98 J/kg
- Mixed-layer LCL
- 958 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 175 m²/s²
- 0-3 km storm-relative helicity
- 215 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 4.2
The text
As transmitted.
252
WUUS52 KMHX 042335
SVRMHX
NCC055-177-187-050015-
/O.NEW.KMHX.SV.W.0018.210504T2335Z-210505T0015Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Newport/Morehead City NC
735 PM EDT Tue May 4 2021
The National Weather Service in Newport has issued a
* Severe Thunderstorm Warning for...
East central Washington County in eastern North Carolina...
West central Dare County in eastern North Carolina...
Tyrrell County in eastern North Carolina...
* Until 815 PM EDT.
* At 735 PM EDT, a severe thunderstorm was located near Woodley, or
23 miles east of Plymouth, moving east at 40 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...
Alligator, Mashoes, Manteo, Columbia, East Lake, Woodley,
Newfoundland, Frying Pan Landing and Creswell.
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 3614 7589 3614 7587 3612 7586 3609 7583
3607 7580 3608 7579 3607 7579 3593 7570
3572 7636 3589 7646 3611 7600 3610 7599
3612 7593 3613 7594 3615 7590
TIME...MOT...LOC 2335Z 247DEG 34KT 3584 7634
HAIL...1.00IN
WIND...60MPH
$$
111 follow-up statement
644
WWUS52 KMHX 042351
SVSMHX
Severe Weather Statement
National Weather Service Newport/Morehead City NC
751 PM EDT Tue May 4 2021
NCC055-177-187-050015-
/O.CON.KMHX.SV.W.0018.000000T0000Z-210505T0015Z/
Washington NC-Dare NC-Tyrrell NC-
751 PM EDT Tue May 4 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM EDT
FOR EAST CENTRAL WASHINGTON...WEST CENTRAL DARE AND TYRRELL
COUNTIES...
At 750 PM EDT, a severe thunderstorm was located over Newfoundland,
or 15 miles south of Weeksville, moving northeast at 45 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Alligator, Mashoes, Manteo, Columbia, East Lake, Woodley,
Newfoundland, Frying Pan Landing and Creswell.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Please send your reports of hail and/or wind damage, including trees
or large limbs downed, by calling the National Weather Service office
in Newport at 1-800-889-6889.
&&
LAT...LON 3614 7589 3614 7587 3612 7586 3609 7583
3607 7580 3608 7579 3607 7579 3593 7570
3572 7636 3589 7646 3611 7600 3610 7599
3612 7593 3613 7594 3615 7590
TIME...MOT...LOC 2350Z 236DEG 39KT 3599 7615
HAIL...1.00IN
WIND...60MPH
$$
11The office that day
Everything else NWS Newport/Morehead City, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 4, 3:29 AM EDT | Small Craft Advisory | MHX | 54 hr | |
| May 4, 5:21 PM EDT | Special Weather Statement | MHX | Pitt | 39 min |
| May 4, 5:57 PM EDT | Special Weather Statement | MHX | Pitt | 33 min |
| May 4, 6:00 PM EDT | Special Weather Statement | MHX | Martin | 30 min |
| May 4, 6:42 PM EDT | Special Marine Warning | MHX | 63 min | |
| May 4, 7:01 PM EDT | Special Weather Statement | MHX | Washington | 44 min |
| May 4, 7:18 PM EDT | Special Weather Statement | MHX | Tyrrell | 42 min |
| May 4, 7:53 PM EDT | Special Marine Warning | MHX | 67 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.