Alert archive / Virginia / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 15, NWS Blacksburg, VA
NWS Blacksburg, VA issued this severe thunderstorm warning at Apr 8, 2021, 7:23 PM EDT for Botetourt County, Craig County, Virginia. It was in force for 37 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
- Apr 8, 2021, 7:23 PM EDT (23:23 UTC)
- Expired
- Apr 8, 2021, 8:00 PM EDT
- In force
- 37 min
- Issued by
- NWS Blacksburg, VA
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
Counties Botetourt County, VA, Craig County, VA
The radar
The Roanoke radar (KFCX), 59 km from the middle of the area, began a volume at 23:26 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
Roanoke, VA (KRNK), launched 12:00Z, 11.4 hours before the alert went out and 52 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2079 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- -4 m²/s²
- 0-3 km storm-relative helicity
- -21 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
069
WUUS51 KRNK 082323
SVRRNK
VAC023-045-090000-
/O.NEW.KRNK.SV.W.0015.210408T2323Z-210409T0000Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service BLACKSBURG VA
723 PM EDT Thu Apr 8 2021
The National Weather Service in BLACKSBURG has issued a
* Severe Thunderstorm Warning for...
Eastern Craig County in southwestern Virginia...
Western Botetourt County in west central Virginia...
* Until 800 PM EDT.
* At 722 PM EDT, a severe thunderstorm was located near Daleville,
moving northeast at 15 mph.
HAZARD...Quarter size hail.
SOURCE...Radar indicated.
IMPACT...Damage to vehicles is expected.
* Locations impacted include...
Oriskany...
Fincastle...
and Daleville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Prepare immediately for large hail, 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.
Very heavy rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
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 3754 7976 3737 7998 3742 8008 3741 8010
3742 8012 3762 8000 3762 7983
TIME...MOT...LOC 2322Z 217DEG 15KT 3744 8002
HAIL...1.00IN
WIND...<50MPH
$$
RAB2 follow-up statements
619
WWUS51 KRNK 082337
SVSRNK
Severe Weather Statement
National Weather Service BLACKSBURG VA
737 PM EDT Thu Apr 8 2021
VAC023-045-090000-
/O.CON.KRNK.SV.W.0015.000000T0000Z-210409T0000Z/
Craig VA-Botetourt VA-
737 PM EDT Thu Apr 8 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM EDT
FOR EXTREME EASTERN CRAIG AND WESTERN BOTETOURT COUNTIES...
At 736 PM EDT, a severe thunderstorm was located along the Botetourt/Craig
county line or about half way between New Castle and Fincastle or 7
miles northwest of Troutville, moving northeast at 15 mph.
HAZARD...Quarter size hail.
SOURCE...Radar indicated.
IMPACT...Damage to vehicles is expected.
Locations impacted include...
Oriskany.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Prepare immediately for large hail, as well as deadly cloud to ground
lightning. For your safety, move to an interior room on the lowest
floor of a sturdy building. Stay away from windows.
When it is safe to do so, please send your reports of hail of any
size, as well as reports of any wind damage, including downed trees
or large limbs, to the National Weather Service by calling toll free
at 1...8 6 6...2 1 5...4 3 2 4. Reports and pictures can also be
shared on the National Weather Service Blacksburg Facebook page and
on Twitter.
&&
LAT...LON 3757 7978 3743 7999 3745 8007 3747 8009
3762 8000 3762 7983
TIME...MOT...LOC 2336Z 217DEG 15KT 3749 7998
HAIL...1.00IN
WIND...<50MPH
$$
RAB335
WWUS51 KRNK 090003
SVSRNK
Severe Weather Statement
National Weather Service BLACKSBURG VA
803 PM EDT Thu Apr 8 2021
VAC023-045-090013-
/O.EXP.KRNK.SV.W.0015.000000T0000Z-210409T0000Z/
Craig VA-Botetourt VA-
803 PM EDT Thu Apr 8 2021
...THE SEVERE THUNDERSTORM WARNING FOR
EASTERN CRAIG AND WESTERN BOTETOURT COUNTIES HAS EXPIRED...
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning has
been allowed to expire.
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 3757 7978 3743 7999 3745 8007 3747 8009
3762 8000 3762 7983
TIME...MOT...LOC 0003Z 217DEG 15KT 3757 7990
$$
RABThe office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 8, 6:58 PM EDT | Special Weather Statement | RNK | City of Salem | 32 min |
| Apr 8, 7:04 PM EDT | Special Weather Statement | RNK | City of Buena Vista, City of Lexington | 26 min |
| Apr 8, 7:49 PM EDT | Special Weather Statement | RNK | Bath | 26 min |
Nearby
Severe Thunderstorm Warnings in Virginia, 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.