Alert archive / North Carolina / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 68, NWS Blacksburg, VA
NWS Blacksburg, VA issued this severe thunderstorm warning at Jun 21, 2021, 6:50 PM EDT for 4 counties in 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
- Jun 21, 2021, 6:50 PM EDT (22:50 UTC)
- Expired
- Jun 21, 2021, 7:30 PM EDT
- In force
- 40 min
- Issued by
- NWS Blacksburg, VA
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Alleghany County, NC, Surry County, NC, Wilkes County, NC, Yadkin County, NC
The radar
The Roanoke radar (KFCX), 104 km from the middle of the area, began a volume at 22:51 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 |
|---|---|---|---|
| Jun 21, 6:55 PM EDT | TSTM WND DMG | Hays, NC | MULTIPLE TREES REPORTED DOWN IN HAYES AREA. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 10.8 hours before the alert went out and 100 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
- 913 J/kg
- Mixed-layer CIN
- -64 J/kg
- Mixed-layer LCL
- 1058 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 125 m²/s²
- 0-3 km storm-relative helicity
- 74 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
053
WUUS51 KRNK 212250
SVRRNK
NCC005-171-193-197-212330-
/O.NEW.KRNK.SV.W.0068.210621T2250Z-210621T2330Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service BLACKSBURG VA
650 PM EDT Mon Jun 21 2021
The National Weather Service in BLACKSBURG has issued a
* Severe Thunderstorm Warning for...
Southeastern Alleghany County in northwestern North Carolina...
Western Surry County in northwestern North Carolina...
Northeastern Wilkes County in northwestern North Carolina...
Northwestern Yadkin County in northwestern North Carolina...
* Until 730 PM EDT.
* At 649 PM EDT, a severe thunderstorm was located over Hays, or near
Traphill, 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...
North Wilkesboro...
Elkin...
Wilkesboro...
Fairview...
Jonesville...
Dobson...
and Boonville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Prepare immediately for large hail and damaging winds, as well as
deadly cloud to ground lightning. For your safety, move to an
interior room on the lowest floor of a sturdy building. Stay away
from windows.
When it is safe to do so, please send your reports of hail of any
size, as well as reports of any wind damage, including downed trees
or large limbs, to the National Weather Service by calling toll free
at 1...8 6 6...2 1 5...4 3 2 4. Reports and pictures can also be
shared on the National Weather Service Blacksburg Facebook page and
on Twitter.
&&
LAT...LON 3614 8116 3636 8124 3655 8077 3621 8061
TIME...MOT...LOC 2249Z 255DEG 33KT 3628 8112
HAIL...1.00IN
WIND...60MPH
$$
Hanes1 follow-up statement
025
WWUS51 KRNK 212333
SVSRNK
Severe Weather Statement
National Weather Service BLACKSBURG VA
733 PM EDT Mon Jun 21 2021
NCC005-171-193-197-212343-
/O.EXP.KRNK.SV.W.0068.000000T0000Z-210621T2330Z/
Alleghany NC-Surry NC-Wilkes NC-Yadkin NC-
733 PM EDT Mon Jun 21 2021
...THE SEVERE THUNDERSTORM WARNING FOR
SOUTHEASTERN ALLEGHANY...WESTERN SURRY...NORTHEASTERN WILKES AND
NORTHWESTERN YADKIN COUNTIES IN NORTHWESTERN NORTH CAROLINA HAS
EXPIRED...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been allowed to expire. However gusty
winds are still possible with this thunderstorm.
When it is safe to do so, please send your reports of hail of any
size, as well as reports of any wind damage, including downed trees
or large limbs, to the National Weather Service by calling toll free
at 1...8 6 6...2 1 5...4 3 2 4. Reports and pictures can also be
shared on the National Weather Service Blacksburg Facebook page and
on Twitter.
LAT...LON 3614 8116 3636 8124 3655 8077 3621 8061
TIME...MOT...LOC 2333Z 255DEG 33KT 3638 8065
$$
HanesThe office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 21, 5:30 PM EDT | Special Weather Statement | RNK | Ashe | 30 min |
| Jun 21, 5:43 PM EDT | Severe Thunderstorm Warning | RNK | Ashe, Watauga, Wilkes | 47 min |
| Jun 21, 5:58 PM EDT | Special Weather Statement | RNK | Alleghany | 32 min |
| Jun 21, 6:29 PM EDT | Severe Thunderstorm Warning | RNK | Alleghany, Ashe, Watauga, Wilkes | 61 min |
| Jun 21, 7:00 PM EDT | Special Weather Statement | RNK | Watauga | 15 min |
| Jun 21, 7:32 PM EDT | Areal Flood Advisory | RNK | Watauga, Wilkes | 3 hr |
| Jun 21, 7:32 PM EDT | Special Weather Statement | RNK | Wilkes | 28 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.