Alert archive / North Carolina / Tornado Warnings in 2017

Tornado Warning 14, NWS Blacksburg, VA

October 8, 2017Ashe County, Watauga County, Wilkes County, North Carolina

NWS Blacksburg, VA issued this tornado warning at Oct 8, 2017, 6:29 PM EDT for Ashe County, Watauga County, Wilkes County, North Carolina. It was in force for 31 min. 6 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 8, 2017, 6:29 PM EDT (22:29 UTC)
Expired
Oct 8, 2017, 7:00 PM EDT
In force
31 min
Issued by
NWS Blacksburg, VA
Area
Storm-based polygon
Tornado
Observed
Hail
0.75 in

Counties Ashe County, NC, Watauga County, NC, Wilkes County, NC

The radar

The Roanoke radar (KFCX), 144 km from the middle of the area, began a volume at 22:31 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 8, 6:45 PM EDTTORNADO5 Ese Deep Gap, NCNUMEROUS 18-24 INCH TREES SNAPPED AND UPROOTED.
Oct 8, 6:46 PM EDTTSTM WND DMG5 Ese Deep Gap, NCTREE DOWN ON FALL CREEK RD. ONE MILE WEST OF 421. TIME RADAR ESTIMATED.
Oct 8, 6:50 PM EDTTSTM WND DMG5 E Deep Gap, NCSEVERAL TREES DOWN, DAMAGE REPORTED TO A HOME. POSSIBLE TORNADO. TIME RADAR ESTIMATED.
Oct 8, 6:50 PM EDTTORNADO5 E Deep Gap, NCNUMEROUS LARGE TREES SNAPPED. CEMENT TOP OF CHIMNEY KNOCKED OFF AND PART OF CHIMNEY CRUMBLED. MINOR ROOF DAMAGE TO 2 HOMES.
Oct 8, 6:57 PM EDTTORNADO5 Ene Deep Gap, NCTREES DOWN ON THE BLUE RIDGE PARKWAY AND PHILLIPS GAP ROAD.
Oct 8, 7:00 PM EDTTORNADO6 Ne Deep Gap, NCTREE TRUNKS SNAPPED.

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

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 10.5 hours before the alert went out and 137 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 2017-10-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 142 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, Greensboro/Hi Pt, NC at 12:00Z on 2017-10-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 57 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
142 J/kg
Mixed-layer CIN
-29 J/kg
Mixed-layer LCL
556 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
57 m²/s²
0-3 km storm-relative helicity
73 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

608 
WFUS51 KRNK 082229
TORRNK
NCC009-189-193-082300-
/O.NEW.KRNK.TO.W.0014.171008T2229Z-171008T2300Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service BLACKSBURG VA
629 PM EDT SUN OCT 8 2017

The National Weather Service in BLACKSBURG has issued a

* Tornado Warning for...
  Western Wilkes County in northwestern North Carolina...
  Southeastern Watauga County in northwestern North Carolina...
  Southeastern Ashe County in northwestern North Carolina...

* Until 700 PM EDT

* At 628 PM EDT, a confirmed tornado was located over Elkville,
  moving north at 30 mph.

  HAZARD...Damaging tornado. 

  SOURCE...Fire Department and media reports confirmed tornado with 
           reports of damage in Hudson and Lenoir in Caldwell 
           County. 

  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...
  West Jefferson...
  Glendale Springs...
  Wilbar...
  Deep Gap...
  and Mc Grady.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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 3604 8138 3604 8140 3605 8139 3607 8141
      3608 8143 3607 8144 3609 8146 3609 8147
      3610 8148 3610 8151 3612 8155 3641 8151
      3636 8123 3602 8134
TIME...MOT...LOC 2228Z 194DEG 27KT 3607 8145 

TORNADO...OBSERVED
HAIL...<.75IN

$$

Loconto
2 follow-up statements
964 
WWUS51 KRNK 082242
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
642 PM EDT SUN OCT 8 2017

NCC009-189-193-082300-
/O.CON.KRNK.TO.W.0014.000000T0000Z-171008T2300Z/
Wilkes NC-Watauga NC-Ashe NC-
642 PM EDT SUN OCT 8 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM EDT FOR 
WESTERN WILKES...SOUTHEASTERN WATAUGA AND SOUTHEASTERN ASHE
COUNTIES...
    
At 641 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Maple Springs, moving north at 30 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...
West Jefferson...
Glendale Springs...
Wilbar...
Deep Gap...
and Cascade Falls.

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 3609 8135 3614 8155 3641 8151 3636 8125
TIME...MOT...LOC 2241Z 187DEG 27KT 3617 8145 

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

$$

Loconto
665 
WWUS51 KRNK 082257
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
657 PM EDT SUN OCT 8 2017

NCC009-189-193-082306-
/O.EXP.KRNK.TO.W.0014.000000T0000Z-171008T2300Z/
Wilkes NC-Watauga NC-Ashe NC-
657 PM EDT SUN OCT 8 2017

...THE TORNADO WARNING FOR 
WESTERN WILKES...SOUTHEASTERN WATAUGA AND SOUTHEASTERN ASHE COUNTIES
WILL EXPIRE AT 700 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.

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 3609 8135 3614 8155 3641 8151 3636 8125
TIME...MOT...LOC 2256Z 194DEG 27KT 3625 8143 

$$

Loconto

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 8, 4:31 AM EDTWind AdvisoryRNKAlleghany, Ashe, Surry, Watauga, Wilkes29 hr
Oct 8, 4:39 AM EDTFlash Flood WatchRNKAlleghany, Ashe, Watauga22 hr
Oct 8, 6:08 PM EDTTornado Warning Tornado observedRNKWilkes22 min
Oct 8, 7:01 PM EDTSpecial Weather StatementRNKAshe44 min
Oct 8, 7:55 PM EDTSpecial Weather StatementRNKAshe, Watauga50 min

Nearby

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