Alert archive / North Carolina / Tornado Warnings in 2017

Tornado Warning 9, NWS Blacksburg, VA

May 24, 2017Yadkin County, North Carolina

NWS Blacksburg, VA issued this tornado warning at May 24, 2017, 4:18 PM EDT for Yadkin County, North Carolina. It was in force for 27 min. 3 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
May 24, 2017, 4:18 PM EDT (20:18 UTC)
Expired
May 24, 2017, 4:45 PM EDT
In force
27 min
Issued by
NWS Blacksburg, VA
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

County Yadkin County, NC

The radar

The Roanoke radar (KFCX), 101 km from the middle of the area, began a volume at 20:21 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
May 24, 4:21 PM EDTTORNADO5 Se Yadkinville, NCSEVERAL OBSERVED SIGHTINGS OF A TORNADO...COURTNEY ELEMENTARY SCHOOL GYMNASIUM DESTROYED...SEVERAL VEHICLES FLIPPED...AND PEOPLE TRAPPED INSIDE HOMES
May 24, 4:33 PM EDTTSTM WND DMG2 Se Brooks Crossroads, NC1800 BLOCK OF HAMPTONVILLE ROAD FOUR TREES WERE BLOWN DOWN...TREES WERE BLOCKING THE ROAD.
May 24, 4:35 PM EDTTSTM WND DMG1 Ese Brooks Crossroads, NCNUMEROUS TREES WERE BLOWN DOWN AND SIX TO SEVEN HOMES WERE DAMAGED BY THUNDERSTORM WINDS IN THE COMMUNITY OF HAMPTONVILLE.

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
May 24, 3:46 PM EDTTornado WatchSPC6 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 8.3 hours before the alert went out and 59 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 2017-05-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 52 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 2017-05-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 105 square meters per square second.19395878Sfc1 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
52 J/kg
Mixed-layer CIN
-47 J/kg
Mixed-layer LCL
553 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
105 m²/s²
0-3 km storm-relative helicity
137 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

495 
WFUS51 KRNK 242018
TORRNK
NCC197-242045-
/O.NEW.KRNK.TO.W.0009.170524T2018Z-170524T2045Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service BLACKSBURG VA
418 PM EDT WED MAY 24 2017

The National Weather Service in BLACKSBURG has issued a

* Tornado Warning for...
  Yadkin County in northwestern North Carolina...

* Until 445 PM EDT
    
* At 417 PM EDT, a severe thunderstorm capable of producing a tornado
  was located over Courtney, moving northeast at 30 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. 

* Locations impacted include...
  Yadkinville...
  Boonville...
  East Bend...
  Nebo...
  and Courtney.

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 3605 8081 3625 8070 3626 8047 3622 8043
      3621 8045 3614 8044 3612 8046 3612 8049
      3611 8051 3608 8051 3605 8050
TIME...MOT...LOC 2017Z 205DEG 24KT 3606 8062 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

RS
2 follow-up statements
516 
WWUS51 KRNK 242028
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
428 PM EDT WED MAY 24 2017

NCC197-242045-
/O.CON.KRNK.TO.W.0009.000000T0000Z-170524T2045Z/
Yadkin NC-
428 PM EDT WED MAY 24 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 445 PM EDT FOR 
EASTERN YADKIN COUNTY...
    
At 428 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Shacktown, moving northeast at 30 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. 

Locations impacted include...
East Bend...
Enon...
Huntsville...
and Shacktown.

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 3608 8064 3625 8063 3626 8047 3622 8043
      3621 8045 3614 8044 3612 8046 3612 8049
      3611 8051 3608 8051
TIME...MOT...LOC 2028Z 210DEG 26KT 3612 8057 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

RS
335 
WWUS51 KRNK 242037
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
437 PM EDT WED MAY 24 2017

NCC197-242045-
/O.CON.KRNK.TO.W.0009.000000T0000Z-170524T2045Z/
Yadkin NC-
437 PM EDT WED MAY 24 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 445 PM EDT FOR 
EASTERN YADKIN COUNTY...
    
At 436 PM EDT, a possible tornado was located near East Bend, moving 
northeast at 30 mph.

HAZARD...Damaging tornado and quarter size hail. 

SOURCE...Public reports of a tornado. 

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...
East Bend...
Enon...
Huntsville...
and Shacktown.

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 3608 8064 3625 8063 3626 8047 3622 8043
      3621 8045 3614 8044 3612 8046 3612 8049
      3611 8051 3608 8051
TIME...MOT...LOC 2036Z 205DEG 24KT 3617 8054 

TORNADO...OBSERVED
HAIL...1.00IN

$$

RS

The office that day

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

IssuedProductOfficeCountiesLasted
May 24, 4:27 AM EDTFlash Flood WatchRNKAlleghany, Ashe, Caswell, Rockingham, Stokes, Surry and 3 more20 hr
May 24, 3:47 PM EDTAreal Flood AdvisoryRNKAlleghany, Ashe, Watauga, Wilkes3 hr
May 24, 4:07 PM EDTFlash Flood WarningRNKSurry6 hr
May 24, 4:12 PM EDTSpecial Weather StatementRNKYadkin33 min
May 24, 4:32 PM EDTSevere Thunderstorm WarningRNKSurry, Wilkes, Yadkin58 min
May 24, 4:42 PM EDTTornado Warning Tornado observedRNKStokes, Surry, Yadkin33 min
May 24, 4:58 PM EDTFlash Flood WarningRNKWilkes3 hr
May 24, 5:09 PM EDTTornado Warning Tornado observedRNKStokes36 min
May 24, 5:26 PM EDTAreal Flood AdvisoryRNKAlleghany, Ashe4 hr
May 24, 6:44 PM EDTAreal Flood AdvisoryRNKAshe, Watauga4 hr
May 24, 6:49 PM EDTAreal Flood AdvisoryRNKCaswell, Rockingham3 hr

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.