Alert archive / Virginia / Tornado Warnings in 2018

Tornado Warning 15, NWS Blacksburg, VA

October 11, 2018Caswell County, Rockingham County, North Carolina; Halifax County, Pittsylvania County, City of Danville, Virginia

NWS Blacksburg, VA issued this tornado warning at Oct 11, 2018, 3:42 PM EDT for Caswell County, Rockingham County, North Carolina; Halifax County, Pittsylvania County, City of Danville, Virginia. It was in force for 48 min. 5 reports 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
Oct 11, 2018, 3:42 PM EDT (19:42 UTC)
Expired
Oct 11, 2018, 4:30 PM EDT
In force
48 min
Issued by
NWS Blacksburg, VA
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

Counties Caswell County, NC, Rockingham County, NC, City of Danville, VA, Halifax County, VA, Pittsylvania County, VA

The radar

The Roanoke radar (KFCX), 103 km from the middle of the area, began a volume at 19:41 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

TimeReportWhereRemark
Oct 11, 3:45 PM EDTTSTM WND DMGDanville City, VAPOSSIBLE TORNADO WITNESSED BY LAW ENFORCEMENT. SEVERAL LARGE TREES DOWN IN THE BLUE PARK SECTION OF DANVILLE CITY.
Oct 11, 3:45 PM EDTTORNADODanville City, VAPOSSIBLE TORNADO WITNESSED BY LAW ENFORCEMENT. SEVERAL LARGE TREES DOWN IN THE BLUE PARK SECTION OF DANVILLE CITY.
Oct 11, 4:01 PM EDTTSTM WND GST 53Danville Airport, VA53 MPH WIND GUST MEASURED AT THE DANVILLE REGIONAL AIRPORT FROM A LINE OF CONVECTIVE SHOWERS.
Oct 11, 4:10 PM EDTTSTM WND DMGYanceyville, NCDISPATCH REPORTED A TOTAL OF ABOUT 5 DOZEN TREES CAME DOWN PRIMARILY IN THE NORTHERN PART OF CASWELL COUNTY BASED ON CALLS FROM 410PM TO ABOUT 6PM. THESE WERE IN ASSOCIATION WITH A BAND OF VERY HEAVY RAIN WITH THUNDER NEARBY THAT MIXED STRONG WINDS DOWN TO THE
Oct 11, 4:30 PM EDTTSTM WND DMG5 E Ingram, VACOUNTY OFFICIALS SURVEYED AN AREA OF DOWNED TREES ON CHARLIE BROWN LANE ABOUT 5 MILES WEST OF HALIFAX AND DETERMINED THE DAMAGE WAS CONSISTENT WITH STRAIGHT LINE WINDS.

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Oct 11, 9:58 AM EDTTornado WatchSPC13 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 7.7 hours before the alert went out and 67 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, Greensboro/Hi Pt, NC at 12:00Z on 2018-10-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 546 joules per kilogram.LCLEL10008507005003002001001 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, Greensboro/Hi Pt, NC at 12:00Z on 2018-10-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 244 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
546 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
480 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
244 m²/s²
0-3 km storm-relative helicity
300 m²/s²
Significant tornado parameter
0.9
Supercell composite
5.3

Open this sounding in Storm Lab

The text

As transmitted.

768 
WFUS51 KRNK 111942
TORRNK
NCC033-157-VAC083-143-590-112030-
/O.NEW.KRNK.TO.W.0015.181011T1942Z-181011T2030Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service BLACKSBURG VA
342 PM EDT THU OCT 11 2018

The National Weather Service in BLACKSBURG has issued a

* Tornado Warning for...
  Eastern Rockingham County in north central North Carolina...
  Caswell County in north central North Carolina...
  The City of Danville in south central Virginia...
  Southeastern Pittsylvania County in south central Virginia...
  Southwestern Halifax County in south central Virginia...

* Until 430 PM EDT
    
* At 342 PM EDT, a severe storm capable of producing one or more 
  tornadoes was located over Pelham, moving south at 25 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...
  Danville...
  Reidsville...
  Yanceyville...
  Bethel...
  and Jericho.

This includes The following Location Danville Airport.
 
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 3625 7979 3674 7946 3676 7899 3654 7905
      3654 7914 3624 7916
TIME...MOT...LOC 1942Z 005DEG 20KT 3649 7945 

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

$$

KK
2 follow-up statements
885 
WWUS51 KRNK 111959
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
359 PM EDT THU OCT 11 2018

NCC033-157-VAC083-143-590-112030-
/O.CON.KRNK.TO.W.0015.000000T0000Z-181011T2030Z/
Rockingham NC-Caswell NC-City of Danville VA-Pittsylvania VA-
Halifax VA-
359 PM EDT THU OCT 11 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 430 PM EDT FOR 
EASTERN ROCKINGHAM...CASWELL...SOUTHEASTERN PITTSYLVANIA AND
SOUTHWESTERN HALIFAX COUNTIES AND THE CITY OF DANVILLE...
    
At 357 PM EDT, a severe thunderstorm capable of producing a tornado 
was located over Quick, moving south at 25 mph. A second storm 
capable of a tornado was located near Ringgold moving south at 25 
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...
Danville...
Reidsville...
Yanceyville...
Bethel...
and Jericho.

This includes The following Location Danville Airport.
 
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.

This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.

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 3625 7979 3674 7946 3676 7899 3654 7905
      3654 7914 3624 7916
TIME...MOT...LOC 1957Z 005DEG 20KT 3640 7946 

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

$$

KK
537 
WWUS51 KRNK 112023
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
423 PM EDT THU OCT 11 2018

NCC033-157-VAC083-143-590-112031-
/O.EXP.KRNK.TO.W.0015.000000T0000Z-181011T2030Z/
Rockingham NC-Caswell NC-City of Danville VA-Pittsylvania VA-
Halifax VA-
423 PM EDT THU OCT 11 2018

...THE TORNADO WARNING FOR EASTERN 
ROCKINGHAM...CASWELL...SOUTHEASTERN PITTSYLVANIA AND SOUTHWESTERN 
HALIFAX COUNTIES AND THE CITY OF DANVILLE WILL EXPIRE AT 430 PM 
EDT...
    
The tornado threat has diminished and the Tornado Warning has been 
cancelled. However, damaging winds remain likely and a Severe 
Thunderstorm Warning remains in effect for the area.  Additional 
strong storm may develop this afternoon.

A tornado watch remains in effect until 900 PM EDT for north central
North Carolina...and south central and central Virginia.

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 Severe Thunderstorm Warning still remains in effect for
until 515 pm.

LAT...LON 3625 7979 3674 7946 3676 7899 3654 7905
      3654 7914 3624 7916
TIME...MOT...LOC 2021Z 005DEG 20KT 3627 7947 

$$

KK

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 10, 11:05 PM EDTAreal Flood WarningRNKAlleghany, Surry, Wilkes6 hr
Oct 11, 4:43 AM EDTWind AdvisoryRNKAlleghany, Ashe, Caswell, Rockingham, Stokes, Surry and 3 more30 hr
Oct 11, 4:52 AM EDTFlash Flood WarningRNKWatauga6 hr
Oct 11, 7:05 AM EDTFlash Flood WarningRNKAlleghany, Ashe, Wilkes6 hr
Oct 11, 8:15 AM EDTFlash Flood WarningRNKSurry, Yadkin6 hr
Oct 11, 10:01 AM EDTFlash Flood WarningRNKStokes6 hr
Oct 11, 10:38 AM EDTFlash Flood WarningRNKWatauga5 hr
Oct 11, 10:50 AM EDTHigh Wind WarningRNKAlleghany, Ashe, Watauga13 hr
Oct 11, 10:59 AM EDTFlash Flood WarningRNKRockingham10 hr
Oct 11, 11:08 AM EDTRiver Flood WarningRNKRockingham40 hr
Oct 11, 11:08 AM EDTRiver Flood WarningRNKCaswell, Rockingham61 hr
Oct 11, 12:54 PM EDTAreal Flood WarningRNKAlleghany, Ashe, Wilkes6 hr
Oct 11, 1:36 PM EDTRiver Flood WarningRNKWilkes15 hr
Oct 11, 1:37 PM EDTRiver Flood WarningRNKSurry, Yadkin25 hr
Oct 11, 1:38 PM EDTFlash Flood WarningRNKCaswell12 hr
Oct 11, 2:14 PM EDTFlash Flood WarningRNKSurry, Yadkin3 hr
Oct 11, 3:10 PM EDTSevere Thunderstorm WarningRNKCaswell, Rockingham65 min
Oct 11, 3:57 PM EDTFlash Flood WarningRNKStokes3 hr
Oct 11, 4:02 PM EDTAreal Flood WarningRNKWatauga6 hr
Oct 11, 4:11 PM EDTSevere Thunderstorm WarningRNKCaswell, Rockingham64 min
Oct 11, 5:09 PM EDTAreal Flood WarningRNKSurry, Yadkin6 hr
Oct 11, 6:52 PM EDTAreal Flood WarningRNKStokes6 hr
Oct 10, 9:31 PM EDTRiver Flood WarningRNKCarroll, Grayson, City of Galax45 hr
Oct 10, 9:31 PM EDTRiver Flood WarningRNKMontgomery, Pulaski, City of Radford42 hr
Oct 10, 9:31 PM EDTRiver Flood WarningRNKGiles48 hr
Oct 11, 12:30 AM EDTAreal Flood WarningRNKBland, Giles, Pulaski, Wythe9 hr
Oct 11, 2:22 AM EDTSpecial Weather StatementRNKBotetourt, Rockbridge, City of Buena Vista, City of Lexington38 min
Oct 11, 2:31 AM EDTSpecial Weather StatementRNKBotetourt, Rockbridge, City of Buena Vista, City of Lexington29 min
Oct 11, 7:26 AM EDTFlash Flood WarningRNKCarroll, Grayson, City of Galax6 hr
Oct 11, 9:22 AM EDTFlash Flood WarningRNKBland, Pulaski, Smyth, Tazewell, Wythe, City of Radford6 hr
Oct 11, 11:08 AM EDTRiver Flood WarningRNKHalifax4 days
Oct 11, 11:08 AM EDTRiver Flood WarningRNKHalifax4 days
Oct 11, 11:27 AM EDTFlash Flood WarningRNKCity of Salem9 hr
Oct 11, 1:09 PM EDTFlash Flood WarningRNKCarroll, City of Galax6 hr
Oct 11, 1:13 PM EDTAreal Flood WarningRNKGrayson6 hr
Oct 11, 1:43 PM EDTFlash Flood WarningRNKAppomattox, Buckingham, Charlotte, Halifax12 hr
Oct 11, 2:02 PM EDTRiver Flood WarningRNKRoanoke, City of Roanoke, City of Salem22 hr
Oct 11, 2:43 PM EDTFlash Flood Warning EmergencyRNKRoanoke, City of Roanoke, City of Salem6 hr
Oct 11, 3:10 PM EDTAreal Flood WarningRNKBland, Pulaski, Smyth, Tazewell, Wythe, City of Radford6 hr
Oct 11, 3:19 PM EDTFlash Flood WarningRNKAmherst7 hr
Oct 11, 3:23 PM EDTAreal Flood WarningRNKCraig18 hr
Oct 11, 4:14 PM EDTFlash Flood Warning EmergencyRNKPittsylvania, City of Danville6 hr
Oct 11, 4:17 PM EDTSevere Thunderstorm WarningRNKAppomattox, Campbell, Charlotte, Halifax, Pittsylvania58 min
Oct 11, 4:52 PM EDTSevere Thunderstorm WarningRNKBuckingham53 min
Oct 11, 6:32 PM EDTRiver Flood WarningRNKPittsylvania29 hr
Oct 11, 6:32 PM EDTRiver Flood WarningRNKCampbell, Charlotte, Halifax51 hr
Oct 11, 6:32 PM EDTRiver Flood WarningRNKCharlotte, Halifax3 days
Oct 11, 6:47 PM EDTAreal Flood WarningRNKCarroll, City of Galax12 hr
Oct 11, 7:10 PM EDTAreal Flood WarningRNKGiles3 hr

Nearby

Tornado Warnings in Virginia, 2018Tornado Warnings in North Carolina, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.