Alert archive / Virginia / Tornado Warnings in 2017
Tornado Warning 7, NWS Blacksburg, VA
NWS Blacksburg, VA issued this tornado warning at May 10, 2017, 8:34 PM EDT for Campbell County, Charlotte County, Halifax County, Virginia. It was in force for 26 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 10, 2017, 8:34 PM EDT (00:34 UTC)
- Expired
- May 10, 2017, 9:00 PM EDT
- In force
- 26 min
- Issued by
- NWS Blacksburg, VA
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.0 in
Counties Campbell County, VA, Charlotte County, VA, Halifax County, VA
The radar
The Roanoke radar (KFCX), 122 km from the middle of the area, began a volume at 00:38 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 00:00Z, 0.6 hours before the alert went out and 55 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
- 13 J/kg
- Mixed-layer CIN
- -92 J/kg
- Mixed-layer LCL
- 2016 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 64 m²/s²
- 0-3 km storm-relative helicity
- 72 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted.
601
WFUS51 KRNK 110034
TORRNK
VAC031-037-083-110100-
/O.NEW.KRNK.TO.W.0007.170511T0034Z-170511T0100Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service BLACKSBURG VA
834 PM EDT WED MAY 10 2017
The National Weather Service in BLACKSBURG has issued a
* Tornado Warning for...
West central Charlotte County in south central Virginia...
Southeastern Campbell County in central Virginia...
North central Halifax County in south central Virginia...
* Until 900 PM EDT
* At 834 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Hat Creek, moving southeast at 35 mph.
HAZARD...Tornado and quarter size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* This dangerous storm will be near...
Aspen around 845 PM EDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
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 3712 7898 3716 7891 3699 7873 3690 7890
TIME...MOT...LOC 0034Z 330DEG 29KT 3709 7891
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
162 follow-up statements
276
WWUS51 KRNK 110049
SVSRNK
Severe Weather Statement
National Weather Service BLACKSBURG VA
849 PM EDT WED MAY 10 2017
VAC031-110058-
/O.CAN.KRNK.TO.W.0007.000000T0000Z-170511T0100Z/
Campbell VA-
849 PM EDT WED MAY 10 2017
...THE TORNADO WARNING FOR
SOUTHEASTERN CAMPBELL COUNTY IS CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
When it is safe to do so, please send your reports of hail of any
size, as well as reports of any wind damage, including downed trees
or large limbs, to the National Weather Service by calling toll free
at 1...8 6 6...2 1 5...4 3 2 4. Reports and pictures can also be
shared on the National Weather Service Blacksburg Facebook page and
on Twitter.
LAT...LON 3690 7890 3703 7895 3703 7894 3702 7891
3705 7889 3706 7886 3698 7875
TIME...MOT...LOC 0048Z 344DEG 23KT 3701 7888
$$
VAC037-083-110100-
/O.CON.KRNK.TO.W.0007.000000T0000Z-170511T0100Z/
Charlotte VA-Halifax VA-
849 PM EDT WED MAY 10 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM EDT FOR
WEST CENTRAL CHARLOTTE AND NORTH CENTRAL HALIFAX COUNTIES...
At 848 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Aspen, moving south at 25 mph.
HAZARD...Tornado and quarter size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This tornadic thunderstorm will remain over mainly rural areas of
west central Charlotte and north central Halifax Counties.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
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 3690 7890 3703 7895 3703 7894 3702 7891
3705 7889 3706 7886 3698 7875
TIME...MOT...LOC 0048Z 344DEG 23KT 3701 7888
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
16991
WWUS51 KRNK 110101
SVSRNK
Severe Weather Statement
National Weather Service BLACKSBURG VA
901 PM EDT WED MAY 10 2017
VAC037-083-110110-
/O.EXP.KRNK.TO.W.0007.000000T0000Z-170511T0100Z/
Charlotte VA-Halifax VA-
901 PM EDT WED MAY 10 2017
...THE TORNADO WARNING FOR
WEST CENTRAL CHARLOTTE AND NORTH CENTRAL HALIFAX COUNTIES HAS
EXPIRED...
The Tornado Warning that was previously in effect has been reissued
for Halifax County and is in effect until 930 PM EDT. Please refer
to that bulletin for the latest severe weather information.
When it is safe to do so, please send your reports of hail of any
size, as well as reports of any wind damage, including downed trees
or large limbs, to the National Weather Service by calling toll free
at 1...8 6 6...2 1 5...4 3 2 4. Reports and pictures can also be
shared on the National Weather Service Blacksburg Facebook page and
on Twitter.
Remember, a Tornado Warning still remains in effect for Halifax
County and is in effect until 930 PM EDT.
LAT...LON 3690 7890 3703 7895 3703 7894 3702 7891
3705 7889 3706 7886 3698 7875
TIME...MOT...LOC 0100Z 330DEG 29KT 3693 7882
$$
16The office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 10, 8:06 PM EDT | Tornado Warning | RNK | Campbell | 39 min |
| May 10, 8:45 PM EDT | Severe Thunderstorm Warning | RNK | Campbell, Charlotte, Halifax | 60 min |
| May 10, 8:58 PM EDT | Tornado Warning | RNK | Halifax | 32 min |
| May 10, 9:19 PM EDT | Severe Thunderstorm Warning | RNK | Charlotte, Halifax | 41 min |
| May 10, 9:37 PM EDT | Special Weather Statement | RNK | Appomattox, City of Lynchburg | 53 min |
| May 10, 9:45 PM EDT | Severe Thunderstorm Warning | RNK | Amherst, Appomattox, Campbell, Charlotte, City of Lynchburg | 60 min |
| May 10, 10:43 PM EDT | Special Weather Statement | RNK | Charlotte | 62 min |
| May 10, 11:20 PM EDT | Severe Thunderstorm Warning | RNK | Charlotte | 16 min |
| May 11, 6:19 AM EDT | Flood Watch | RNK | Alleghany, Amherst, Bath, Bedford, Bland, Botetourt and 23 more | 30 hr |
| May 11, 6:19 AM EDT | Flash Flood Watch | RNK | Alleghany, Bath, Bland, Botetourt, Craig, Giles and 5 more | 16 hr |
| May 11, 6:08 PM EDT | Severe Thunderstorm Warning | RNK | Charlotte, Halifax | 67 min |
| May 11, 6:38 PM EDT | Special Weather Statement | RNK | Henry, City of Martinsville | 67 min |
| May 11, 6:49 PM EDT | Special Weather Statement | RNK | Bedford | 56 min |
| May 11, 7:15 PM EDT | Special Weather Statement | RNK | Patrick | 60 min |
| May 11, 7:18 PM EDT | Severe Thunderstorm Warning | RNK | Patrick | 57 min |
| May 11, 7:28 PM EDT | Severe Thunderstorm Warning | RNK | Henry, City of Martinsville | 62 min |
Nearby
Tornado Warnings in Virginia, 2017Every tornado warning in 2017Tornadoes in 2017
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.