Alert archive / North Carolina / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 99, NWS Blacksburg, VA

June 13, 2017Stokes County, Yadkin County, North Carolina

NWS Blacksburg, VA issued this severe thunderstorm warning at Jun 13, 2017, 3:24 PM EDT for Stokes County, Yadkin County, North Carolina. It was in force for 66 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: Jun 13, 2017, 3:24 PM EDT (19:24 UTC)
Expired: Jun 13, 2017, 4:30 PM EDT
In force: 66 min
Issued by: NWS Blacksburg, VA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Stokes County, NC, Yadkin County, NC

The radar

The Roanoke radar (KFCX), 96 km from the middle of the area, began a volume at 19:27 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
Jun 13, 3:30 PM EDT	TSTM WND DMG	1 Se Danbury, NC	SEVERAL TREES DOWN. DIME SIZED HAIL REPORTED NEAR THE HOSIPTAL.
Jun 13, 3:30 PM EDT	TSTM WND DMG	King, NC	TREES DOWN IN KING.
Jun 13, 3:42 PM EDT	TSTM WND DMG	1 W Brooks Crossroads, NC	TREE DOWN BLOCKING ROD IN HAMPTONVILLE. RELAYED VIA TWITTER FROM WFMY. TIME RADAR ESTIMATED.

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, 7.4 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-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: 508 J/kg
Mixed-layer CIN: -103 J/kg
Mixed-layer LCL: 1232 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 25 m²/s²
0-3 km storm-relative helicity: 48 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

As transmitted.

622 
WUUS51 KRNK 131924
SVRRNK
NCC169-197-132030-
/O.NEW.KRNK.SV.W.0099.170613T1924Z-170613T2030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service BLACKSBURG VA
324 PM EDT TUE JUN 13 2017

The National Weather Service in BLACKSBURG has issued a

* Severe Thunderstorm Warning for...
  Southwestern Stokes County in north central North Carolina...
  Yadkin County in northwestern North Carolina...

* Until 430 PM EDT

* At 323 PM EDT, severe thunderstorms were located along a line
  extending from Danbury to Shacktown to near Swancreek, moving
  southeast at 5 mph.

  HAZARD...60 mph wind gusts and quarter size hail. 

  SOURCE...Radar indicated. 

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees. 

* Locations impacted include...
  Yadkinville...
  Walnut Cove...
  East Bend...
  Danbury...
  and King.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Prepare immediately for large hail and damaging winds. For your
safety, move to an interior room on the lowest floor of a sturdy
building. Stay away from windows.

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 3606 8088 3620 8087 3615 8068 3626 8052
      3626 8047 3623 8044 3630 8045 3646 8022
      3626 8008 3611 8051 3605 8051 3605 8052
TIME...MOT...LOC 1923Z 307DEG 5KT 3639 8021 3611 8061 3615 8086 

HAIL...1.00IN
WIND...60MPH
 
$$

DS

3 follow-up statements

445 
WWUS51 KRNK 131948
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
348 PM EDT TUE JUN 13 2017

NCC169-197-132030-
/O.CON.KRNK.SV.W.0099.000000T0000Z-170613T2030Z/
Stokes NC-Yadkin NC-
348 PM EDT TUE JUN 13 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM EDT
FOR SOUTHWESTERN STOKES AND SOUTHERN YADKIN COUNTIES...

At 348 PM EDT, severe thunderstorms were located along a line
extending from Meadows to near Shacktown to near Buck Shoals, moving
southeast at 5 mph.

HAZARD...60 mph wind gusts and quarter size hail. 

SOURCE...Radar indicated. 

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees. 

Locations impacted include...
Yadkinville...
Walnut Cove...
East Bend...
King...
and Buck Shoals.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Prepare immediately for LARGE HAIL AND DAMAGING WINDS. For your
safety, move to an interior room on the lowest floor of a sturdy
building. Stay away from windows.

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 8087 3614 8064 3626 8047 3623 8044
      3627 8045 3641 8019 3626 8008 3611 8051
      3605 8051 3605 8052 3606 8088
TIME...MOT...LOC 1948Z 307DEG 5KT 3637 8018 3609 8058 3613 8083 

HAIL...1.00IN
WIND...60MPH
 
$$

DS

439 
WWUS51 KRNK 132012
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
412 PM EDT TUE JUN 13 2017

NCC169-132022-
/O.CAN.KRNK.SV.W.0099.000000T0000Z-170613T2030Z/
Stokes NC-
412 PM EDT TUE JUN 13 2017

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN STOKES COUNTY IS 
CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

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 3611 8062 3618 8044 3614 8043 3611 8051
      3605 8051 3605 8052 3606 8088 3611 8088
TIME...MOT...LOC 2012Z 078DEG 19KT 3606 8054 3607 8086 

$$

NCC197-132030-
/O.CON.KRNK.SV.W.0099.000000T0000Z-170613T2030Z/
Yadkin NC-
412 PM EDT TUE JUN 13 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM EDT
FOR SOUTHERN YADKIN COUNTY...

At 412 PM EDT, severe thunderstorms were located along a line
extending from Huntsville to near Buck Shoals, moving west at 20 mph.

HAZARD...60 mph wind gusts and quarter size hail. 

SOURCE...Radar indicated. 

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees. 

Locations impacted include...
Courtney...
Buck Shoals...
Enon...
Huntsville...
and Lone Hickory.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Prepare immediately for LARGE HAIL AND DAMAGING WINDS. For your
safety, move to an interior room on the lowest floor of a sturdy
building. Stay away from windows.

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 3611 8062 3618 8044 3614 8043 3611 8051
      3605 8051 3605 8052 3606 8088 3611 8088
TIME...MOT...LOC 2012Z 078DEG 19KT 3606 8054 3607 8086 

HAIL...1.00IN
WIND...60MPH
 
$$

DS

720 
WWUS51 KRNK 132033
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
433 PM EDT TUE JUN 13 2017

NCC197-132043-
/O.EXP.KRNK.SV.W.0099.000000T0000Z-170613T2030Z/
Yadkin NC-
433 PM EDT TUE JUN 13 2017

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN YADKIN COUNTY HAS 
EXPIRED...
    
The storms which prompted the warning have weakened below severe
limits, and have exited the warned area. Therefore the warning has
been 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 3611 8062 3618 8044 3614 8043 3611 8051
      3605 8051 3605 8052 3606 8088 3611 8088
TIME...MOT...LOC 2033Z 307DEG 5KT 3604 8051 3605 8083 

$$

DS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 13, 2:54 PM EDT	Special Weather Statement	RNK	Surry, Wilkes	36 min
Jun 13, 2:57 PM EDT	Severe Thunderstorm Warning	RNK	Stokes	63 min
Jun 13, 4:15 PM EDT	Severe Thunderstorm Warning	RNK	Rockingham	60 min
Jun 13, 4:46 PM EDT	Severe Thunderstorm Warning	RNK	Caswell, Rockingham	59 min
Jun 13, 5:48 PM EDT	Special Weather Statement	RNK	Caswell	27 min
Jun 13, 6:08 PM EDT	Severe Thunderstorm Warning	RNK	Alleghany, Surry	33 min
Jun 13, 6:23 PM EDT	Special Weather Statement	RNK	Caswell	37 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2017 Every severe thunderstorm warning 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.