Alert archive / North Carolina / Tornado Warnings in 2020

Tornado Warning 2, NWS Blacksburg, VA

April 13, 2020Surry County, Yadkin County, North Carolina

NWS Blacksburg, VA issued this tornado warning at Apr 13, 2020, 4:12 AM EDT for Surry County, Yadkin County, North Carolina. It was in force for 33 min. 2 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: Apr 13, 2020, 4:12 AM EDT (08:12 UTC)
Expired: Apr 13, 2020, 4:45 AM EDT
In force: 33 min
Issued by: NWS Blacksburg, VA
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

Counties Surry County, NC, Yadkin County, NC

The radar

The Roanoke radar (KFCX), 96 km from the middle of the area, began a volume at 08:14 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
Apr 13, 4:20 AM EDT	TSTM WND DMG	Yadkinville, NC	A STRONG THUNDERSTORM WITH DAMAGING WINDS BROUGHT SEVERAL TREES DOWN IN THE YADKINVILLE AREA, AS WELL AS ACROSS YADKIN COUNTY.
Apr 13, 4:40 AM EDT	TSTM WND DMG	4 Ese Nebo, NC	THREE LARGE TREES BLOWN DOWN BY THUNDERSTORM WINDS ON ROCKETT ROAD.

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 00:00Z, 8.2 hours before the alert went out and 62 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: 3 J/kg
Mixed-layer CIN: -9 J/kg
Mixed-layer LCL: 712 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 299 m²/s²
0-3 km storm-relative helicity: 489 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

407 
WFUS51 KRNK 130812
TORRNK
NCC171-197-130845-
/O.NEW.KRNK.TO.W.0002.200413T0812Z-200413T0845Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service BLACKSBURG VA
412 AM EDT Mon Apr 13 2020

The National Weather Service in BLACKSBURG has issued a

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

* Until 445 AM EDT.
    
* At 411 AM EDT, a severe thunderstorm capable of producing a tornado
  was located near Harmony, or 14 miles southwest of Yadkinville,
  moving northeast at 60 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...
  Courtney...
  Buck Shoals...
  and Brooks Crossroads.

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 3606 8088 3639 8056 3631 8045 3624 8045
      3622 8043 3621 8045 3619 8044 3605 8061
TIME...MOT...LOC 0811Z 223DEG 54KT 3600 8087 

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

$$

DS

3 follow-up statements

188 
WWUS51 KRNK 130820
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
420 AM EDT Mon Apr 13 2020

NCC171-197-130845-
/O.CON.KRNK.TO.W.0002.000000T0000Z-200413T0845Z/
Surry NC-Yadkin NC-
420 AM EDT Mon Apr 13 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 445 AM EDT FOR 
SOUTHEASTERN SURRY AND CENTRAL YADKIN COUNTIES...
    
At 419 AM EDT, a severe thunderstorm capable of producing a tornado
was located over Yadkinville, moving northeast at 80 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...
Yadkinville...
Boonville...
East Bend...
Nebo...
Brooks Crossroads...
Rockford...
and Siloam.

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 8077 3613 8082 3639 8056 3631 8045
      3624 8045 3622 8043 3621 8045 3619 8044
      3608 8068
TIME...MOT...LOC 0819Z 226DEG 71KT 3614 8071 

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

$$

DS

416 
WWUS51 KRNK 130830
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
430 AM EDT Mon Apr 13 2020

NCC171-197-130845-
/O.CON.KRNK.TO.W.0002.000000T0000Z-200413T0845Z/
Surry NC-Yadkin NC-
430 AM EDT Mon Apr 13 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 445 AM EDT FOR 
SOUTHEASTERN SURRY AND NORTHEASTERN YADKIN COUNTIES...
    
At 430 AM EDT, a severe thunderstorm capable of producing a tornado
was located over Siloam, or near East Bend, moving northeast at 60
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...
Boonville...
East Bend...
Nebo...
Siloam...
and Rockford.

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 3617 8065 3624 8071 3639 8056 3631 8045
      3624 8045 3622 8043 3621 8045 3619 8044
      3614 8055
TIME...MOT...LOC 0830Z 223DEG 54KT 3626 8057 

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

$$

DS

553 
WWUS51 KRNK 130843
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
443 AM EDT Mon Apr 13 2020

NCC171-197-130852-
/O.EXP.KRNK.TO.W.0002.000000T0000Z-200413T0845Z/
Surry NC-Yadkin NC-
443 AM EDT Mon Apr 13 2020

...THE TORNADO WARNING FOR SOUTHEASTERN SURRY AND NORTHEASTERN 
YADKIN COUNTIES WILL EXPIRE AT 445 AM EDT...
        
The storm which prompted the warning was moving out of the area.
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 3617 8065 3624 8071 3639 8056 3631 8045
      3624 8045 3622 8043 3621 8045 3619 8044
      3614 8055
TIME...MOT...LOC 0842Z 230DEG 45KT 3632 8046 

$$

DS

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 12, 10:47 PM EDT	Severe Thunderstorm Warning	RNK	Wilkes, Yadkin	28 min
Apr 12, 11:17 PM EDT	Special Weather Statement	RNK	Wilkes	13 min
Apr 12, 11:37 PM EDT	Special Weather Statement	RNK	Surry	8 min
Apr 12, 11:50 PM EDT	Areal Flood Advisory	RNK	Surry, Wilkes, Yadkin	12 hr
Apr 12, 11:59 PM EDT	Special Weather Statement	RNK	Surry	31 min
Apr 13, 12:18 AM EDT	Areal Flood Advisory	RNK	Alleghany, Ashe, Watauga	12 hr
Apr 13, 12:29 AM EDT	Severe Thunderstorm Warning	RNK	Alleghany, Ashe, Watauga, Wilkes	31 min
Apr 13, 1:04 AM EDT	Special Weather Statement	RNK	Stokes	26 min
Apr 13, 1:11 AM EDT	Special Weather Statement	RNK	Alleghany	19 min
Apr 13, 2:18 AM EDT	Special Weather Statement	RNK	Ashe	27 min
Apr 13, 2:24 AM EDT	Flash Flood Warning	RNK	Alleghany, Ashe, Watauga	6 hr
Apr 13, 2:25 AM EDT	Special Weather Statement	RNK	Surry	35 min
Apr 13, 2:42 AM EDT	Flash Flood Warning	RNK	Surry, Wilkes	6 hr
Apr 13, 2:48 AM EDT	Severe Thunderstorm Warning	RNK	Surry	27 min
Apr 13, 3:23 AM EDT	Special Weather Statement	RNK	Surry	37 min
Apr 13, 3:45 AM EDT	Flash Flood Warning EmergencyCatastrophic damage threat	RNK	Watauga	6 hr
Apr 13, 3:47 AM EDT	Flash Flood Warning	RNK	Alleghany	6 hr
Apr 13, 4:06 AM EDT	Severe Thunderstorm Warning	RNK	Surry, Wilkes, Yadkin	24 min
Apr 13, 4:35 AM EDT	Severe Thunderstorm Warning	RNK	Rockingham, Stokes, Yadkin	55 min
Apr 13, 5:19 AM EDT	Tornado Warning	RNK	Rockingham	26 min
Apr 13, 5:30 AM EDT	Severe Thunderstorm Warning	RNK	Caswell, Rockingham	60 min
Apr 13, 5:36 AM EDT	Tornado Warning	RNK	Rockingham	24 min
Apr 13, 5:58 AM EDT	Tornado Warning	RNK	Caswell	47 min
Apr 13, 6:02 AM EDT	Flash Flood Warning	RNK	Stokes	4 hr
Apr 13, 8:31 AM EDT	Areal Flood Warning	RNK	Ashe	6 hr
Apr 13, 8:47 AM EDT	Areal Flood Warning	RNK	Surry, Wilkes	6 hr
Apr 13, 9:33 AM EDT	Areal Flood Warning	RNK	Watauga	6 hr

Nearby

Tornado Warnings in North Carolina, 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.