Alert archive / Virginia / Tornado Warnings in 2018

Tornado Warning 10, NWS Blacksburg, VA

August 2, 2018Giles County, Virginia; Monroe County, West Virginia

NWS Blacksburg, VA issued this tornado warning at Aug 2, 2018, 8:24 PM EDT for Giles County, Virginia; Monroe County, West Virginia. It was in force for 36 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
Aug 2, 2018, 8:24 PM EDT (00:24 UTC)
Expired
Aug 2, 2018, 9:00 PM EDT
In force
36 min
Issued by
NWS Blacksburg, VA
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Giles County, VA, Monroe County, WV

The radar

The Roanoke radar (KFCX), 48 km from the middle of the area, began a volume at 00:23 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, 0.4 hours before the alert went out and 88 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-pSkew-T log-p diagram, Roanoke, VA at 00:00Z on 2018-08-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 426 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Roanoke, VA at 00:00Z on 2018-08-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 114 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
426 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
722 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
114 m²/s²
0-3 km storm-relative helicity
186 m²/s²
Significant tornado parameter
0.2
Supercell composite
6.1

Open this sounding in Storm Lab

The text

As transmitted.

876 
WFUS51 KRNK 030024
TORRNK
VAC071-WVC063-030100-
/O.NEW.KRNK.TO.W.0010.180803T0024Z-180803T0100Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service BLACKSBURG VA
824 PM EDT THU AUG 2 2018

The National Weather Service in BLACKSBURG has issued a

* Tornado Warning for...
  Northeastern Giles County in southwestern Virginia...
  Southeastern Monroe County in southeastern West Virginia...

* Until 900 PM EDT
    
* At 823 PM EDT, a severe thunderstorm capable of producing a tornado
  was located over Mountain Lake, moving north 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...
  Mountain Lake...
  Laurel Branch...
  Kire...
  Cascades...
  and Waiteville.

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 3749 8034 3749 8036 3748 8037 3742 8048
      3734 8044 3731 8047 3732 8062 3757 8061
TIME...MOT...LOC 0023Z 198DEG 11KT 3735 8053 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

MBS
3 follow-up statements
009 
WWUS51 KRNK 030033
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
833 PM EDT THU AUG 2 2018

VAC071-WVC063-030100-
/O.CON.KRNK.TO.W.0010.000000T0000Z-180803T0100Z/
Giles VA-Monroe WV-
833 PM EDT THU AUG 2 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM EDT FOR 
NORTHEASTERN GILES AND SOUTHEASTERN MONROE COUNTIES...
    
At 833 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Mountain Lake, moving north 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...
Zenith...
Waiteville...
and Kire.

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 3749 8034 3749 8037 3748 8037 3742 8048
      3734 8044 3736 8056 3753 8061
TIME...MOT...LOC 0033Z 198DEG 11KT 3738 8052 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

MBS
572 
WWUS51 KRNK 030047
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
847 PM EDT THU AUG 2 2018

VAC071-WVC063-030100-
/O.CON.KRNK.TO.W.0010.000000T0000Z-180803T0100Z/
Giles VA-Monroe WV-
847 PM EDT THU AUG 2 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM EDT FOR 
NORTHEASTERN GILES AND SOUTHEASTERN MONROE COUNTIES...
    
At 846 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Kire, moving north 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...
Waiteville...
Kire...
and Zenith.

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 3749 8034 3749 8037 3748 8037 3742 8048
      3741 8047 3740 8048 3741 8054 3752 8053
TIME...MOT...LOC 0046Z 198DEG 11KT 3742 8050 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

MBS
849 
WWUS51 KRNK 030053
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
853 PM EDT THU AUG 2 2018

VAC071-WVC063-030102-
/O.EXP.KRNK.TO.W.0010.000000T0000Z-180803T0100Z/
Giles VA-Monroe WV-
853 PM EDT THU AUG 2 2018

...THE TORNADO WARNING FOR NORTHEASTERN GILES AND  SOUTHEASTERN MONROE 
COUNTIES WILL EXPIRE AT 900 PM EDT...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be 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 3749 8034 3749 8037 3748 8037 3742 8048
      3741 8047 3740 8048 3741 8054 3752 8053
TIME...MOT...LOC 0052Z 198DEG 11KT 3743 8049 

$$

MBS

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 2, 8:09 PM EDTSpecial Weather StatementRNKGiles66 min
Aug 2, 8:38 PM EDTSevere Thunderstorm WarningRNKGiles37 min
Aug 2, 8:43 PM EDTTornado WarningRNKGiles32 min
Aug 2, 8:51 PM EDTSevere Thunderstorm WarningRNKAlleghany, Craig26 min
Aug 2, 9:13 PM EDTSevere Thunderstorm WarningRNKGiles47 min
Aug 2, 9:20 PM EDTFlash Flood WarningRNKCity of Lynchburg6 hr
Aug 2, 10:01 PM EDTAreal Flood WarningRNKBland, Giles, Pulaski, Wythe3 hr
Aug 3, 1:53 AM EDTSpecial Weather StatementRNKHalifax67 min
Aug 3, 3:09 AM EDTFlash Flood WarningRNKCity of Lynchburg23 hr
Aug 3, 5:38 AM EDTAreal Flood WarningRNKAmherst, Bedford, Campbell, City of Lynchburg9 hr
Aug 3, 8:47 AM EDTAreal Flood WarningRNKGrayson, Smyth, Wythe9 hr
Aug 3, 2:42 PM EDTAreal Flood WarningRNKBland, Giles, Montgomery, Pulaski, Wythe3 hr
Aug 3, 2:54 PM EDTSpecial Weather StatementRNKFranklin, Henry, City of Martinsville66 min
Aug 3, 4:02 PM EDTSpecial Weather StatementRNKAmherst, Bedford, Pittsylvania, City of Danville, City of Lynchburg, City of Martinsville58 min
Aug 3, 4:27 PM EDTSevere Thunderstorm WarningRNKAmherst, Bedford, Campbell, Franklin, Halifax, Henry and 3 more63 min
Aug 3, 5:30 PM EDTSpecial Weather StatementRNKHalifax, Pittsylvania, City of Danville60 min
Aug 3, 5:36 PM EDTSpecial Weather StatementRNKFranklin54 min

Nearby

Tornado Warnings in Virginia, 2018Tornado Warnings in West Virginia, 2018Every tornado warning in 2018Tornadoes in 2018

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.