Alert archive / Virginia / Tornado Warnings in 2020

Tornado Warning 9, NWS Blacksburg, VA

August 1, 2020Botetourt County, Rockbridge County, Virginia

NWS Blacksburg, VA issued this tornado warning at Aug 1, 2020, 7:22 PM EDT for Botetourt County, Rockbridge County, Virginia. It was in force for 38 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: Aug 1, 2020, 7:22 PM EDT (23:22 UTC)
Expired: Aug 1, 2020, 8:00 PM EDT
In force: 38 min
Issued by: NWS Blacksburg, VA
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.0 in

Counties Botetourt County, VA, Rockbridge County, VA

The radar

The Roanoke radar (KFCX), 83 km from the middle of the area, began a volume at 23:24 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
Aug 1, 7:26 PM EDT	TSTM WND DMG	1 W Eagle Rock, VA	A TREE FELL ON TO A POWER LINE AT THE INTERSECTION OF FULL HOUSE ROAD AND GARRON ROAD NEAR EAGLE ROCK. TIME ESTIMATED BY RADAR.

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

The nearest sounding before it

Roanoke, VA (KRNK), launched 12:00Z, 11.4 hours before the alert went out and 53 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: 4 J/kg
Mixed-layer CIN: -134 J/kg
Mixed-layer LCL: 747 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 67 m²/s²
0-3 km storm-relative helicity: 136 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted.

026 
WFUS51 KRNK 012322
TORRNK
VAC023-163-020000-
/O.NEW.KRNK.TO.W.0009.200801T2322Z-200802T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service BLACKSBURG VA
722 PM EDT Sat Aug 1 2020

The National Weather Service in BLACKSBURG has issued a

* Tornado Warning for...
  Southwestern Rockbridge County in west central Virginia...
  North central Botetourt County in west central Virginia...

* Until 800 PM EDT.
    
* At 722 PM EDT, a severe thunderstorm capable of producing a tornado
  was located over Eagle Rock, moving northeast at 10 mph.

  HAZARD...Tornado.

  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.

* Locations impacted include...
  Eagle Rock...
  and Gala.

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.

&&

LAT...LON 3757 7977 3762 7986 3777 7977 3766 7957
TIME...MOT...LOC 2322Z 221DEG 11KT 3760 7982 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

RR

3 follow-up statements

440 
WWUS51 KRNK 012345
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
745 PM EDT Sat Aug 1 2020

VAC023-163-020000-
/O.CON.KRNK.TO.W.0009.000000T0000Z-200802T0000Z/
Rockbridge VA-Botetourt VA-
745 PM EDT Sat Aug 1 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM EDT FOR 
SOUTHWESTERN ROCKBRIDGE AND NORTH CENTRAL BOTETOURT COUNTIES...
    
At 744 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Eagle Rock, moving northeast at 15 mph.

HAZARD...Tornado.

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.

Locations impacted include...
Eagle Rock...
and Gala.

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 3760 7974 3766 7984 3777 7977 3767 7958
TIME...MOT...LOC 2344Z 221DEG 11KT 3765 7976 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

RR

052 
WWUS51 KRNK 012349
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
749 PM EDT Sat Aug 1 2020

VAC023-163-020000-
/O.CON.KRNK.TO.W.0009.000000T0000Z-200802T0000Z/
Rockbridge VA-Botetourt VA-
749 PM EDT Sat Aug 1 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM EDT FOR 
SOUTHWESTERN ROCKBRIDGE AND NORTH CENTRAL BOTETOURT COUNTIES...
    
At 749 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Eagle Rock, moving northeast at 15 mph.

HAZARD...Tornado.

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 
southwestern Rockbridge and north central Botetourt 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 3762 7970 3767 7979 3776 7974 3767 7958
TIME...MOT...LOC 2349Z 221DEG 11KT 3766 7975 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

RR

262 
WWUS51 KRNK 012355
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
755 PM EDT Sat Aug 1 2020

VAC023-163-020005-
/O.EXP.KRNK.TO.W.0009.000000T0000Z-200802T0000Z/
Rockbridge VA-Botetourt VA-
755 PM EDT Sat Aug 1 2020

...THE TORNADO WARNING FOR 
SOUTHWESTERN ROCKBRIDGE AND NORTH CENTRAL BOTETOURT COUNTIES WILL
EXPIRE AT 800 PM EDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning will be allowed to expire.  However gusty
winds and heavy rain 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 3762 7970 3767 7979 3776 7974 3767 7958
TIME...MOT...LOC 2355Z 221DEG 11KT 3767 7974 

$$

RR

The office that day

Everything else NWS Blacksburg, VA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 31, 8:35 PM EDT	Special Weather Statement	RNK	Smyth	40 min
Jul 31, 9:11 PM EDT	Areal Flood Advisory	RNK	Smyth, Tazewell	3 hr
Jul 31, 9:14 PM EDT	Special Weather Statement	RNK	Pittsylvania	31 min
Jul 31, 9:46 PM EDT	Special Weather Statement	RNK	City of Danville	29 min
Jul 31, 10:14 PM EDT	Special Weather Statement	RNK	City of Danville	31 min
Jul 31, 10:47 PM EDT	Special Weather Statement	RNK	City of Danville	28 min
Jul 31, 11:19 PM EDT	Areal Flood Advisory	RNK	Halifax, Pittsylvania	3 hr
Aug 1, 1:55 PM EDT	Special Weather Statement	RNK	Bedford	35 min
Aug 1, 2:25 PM EDT	Special Weather Statement	RNK	Bedford, City of Lynchburg	50 min
Aug 1, 5:44 PM EDT	Special Weather Statement	RNK	Craig	31 min
Aug 1, 6:10 PM EDT	Special Weather Statement	RNK	Alleghany	35 min
Aug 1, 6:27 PM EDT	Special Weather Statement	RNK	Botetourt	33 min
Aug 1, 6:35 PM EDT	Severe Thunderstorm Warning	RNK	Botetourt, Craig, Rockbridge	55 min
Aug 1, 6:46 PM EDT	Tornado Warning Tornado observed	RNK	Botetourt	44 min
Aug 1, 6:52 PM EDT	Special Weather Statement	RNK	Bath	38 min
Aug 1, 7:28 PM EDT	Special Weather Statement	RNK	City of Covington	32 min

Nearby

Tornado Warnings in Virginia, 2020 Every tornado warning in 2020 Tornadoes in 2020

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.