Alert archive / Virginia / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 113, NWS Blacksburg, VA

June 15, 2017Henry County, Pittsylvania County, City of Martinsville, Virginia; Rockingham County, North Carolina

NWS Blacksburg, VA issued this severe thunderstorm warning at Jun 15, 2017, 8:54 PM EDT for Henry County, Pittsylvania County, City of Martinsville, Virginia; Rockingham County, North Carolina. It was in force for 30 min. 1 report 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 15, 2017, 8:54 PM EDT (00:54 UTC)
Expired: Jun 15, 2017, 9:24 PM EDT
In force: 30 min
Issued by: NWS Blacksburg, VA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Rockingham County, NC, City of Martinsville, VA, Henry County, VA, Pittsylvania County, VA

The radar

The Roanoke radar (KFCX), 73 km from the middle of the area, began a volume at 00:58 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 15, 9:00 PM EDT	TSTM WND DMG	3 Ese Ridgeway, VA	THUNDERSTORM WINDS RESULTED IN NUMEROUS LARGE BRANCHES BEING BLOWN DOWN.

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, 0.9 hours before the alert went out and 56 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: 1174 J/kg
Mixed-layer CIN: -10 J/kg
Mixed-layer LCL: 1408 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: 23 m²/s²
0-3 km storm-relative helicity: 63 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

828 
WUUS51 KRNK 160054
SVRRNK
NCC157-VAC089-143-690-160215-
/O.NEW.KRNK.SV.W.0113.170616T0054Z-170616T0215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service BLACKSBURG VA
854 PM EDT THU JUN 15 2017

The National Weather Service in BLACKSBURG has issued a

* Severe Thunderstorm Warning for...
  Northeastern Rockingham County in north central North Carolina...
  Southwestern Pittsylvania County in south central Virginia...
  The southern City of Martinsville in south central Virginia...
  Southeastern Henry County in south central Virginia...

* Until 1015 PM EDT

* At 853 PM EDT, a severe thunderstorm was located near Price, moving
  northeast 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...
  Eden...
  Martinsville...
  Mayfield...
  Axton...
  and Callands.

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 3643 7974 3666 7991 3683 7954 3643 7956
TIME...MOT...LOC 0053Z 234DEG 14KT 3652 7984 

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

RS

1 follow-up statement

124 
WWUS51 KRNK 160124
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
924 PM EDT THU JUN 15 2017

NCC157-VAC089-143-690-160133-
/O.CAN.KRNK.SV.W.0113.000000T0000Z-170616T0215Z/
Rockingham NC-Pittsylvania VA-City of Martinsville VA-Henry VA-
924 PM EDT THU JUN 15 2017

...THE SEVERE THUNDERSTORM WARNING FOR 
NORTHEASTERN ROCKINGHAM...SOUTHWESTERN PITTSYLVANIA AND SOUTHEASTERN
HENRY COUNTIES AND THE SOUTHERN CITY OF MARTINSVILLE IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
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 3643 7974 3666 7991 3683 7954 3643 7956
TIME...MOT...LOC 0121Z 234DEG 14KT 3659 7972 

$$

RS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 15, 8:02 PM EDT	Special Weather Statement	RNK	Amherst	43 min
Jun 15, 8:06 PM EDT	Flash Flood Warning	RNK	Amherst, Bedford, City of Lynchburg	3 hr
Jun 15, 8:06 PM EDT	Severe Thunderstorm Warning	RNK	Amherst, Bedford	35 min
Jun 15, 8:10 PM EDT	Severe Thunderstorm Warning	RNK	Henry	65 min
Jun 15, 8:33 PM EDT	Special Weather Statement	RNK	Appomattox	27 min
Jun 15, 8:46 PM EDT	Special Weather Statement	RNK	Buckingham	29 min
Jun 15, 10:30 PM EDT	Special Weather Statement	RNK	Halifax	60 min
Jun 15, 10:48 PM EDT	Special Weather Statement	RNK	Charlotte	42 min
Jun 15, 11:34 PM EDT	Special Weather Statement	RNK	Halifax	41 min
Jun 16, 12:13 AM EDT	Special Weather Statement	RNK	Henry, City of Martinsville	62 min
Jun 16, 12:54 AM EDT	Areal Flood Advisory	RNK	Henry	3 hr
Jun 16, 1:21 AM EDT	Special Weather Statement	RNK	Pittsylvania, City of Danville	54 min
Jun 16, 2:09 AM EDT	Areal Flood Advisory	RNK	Halifax, Pittsylvania, City of Danville	3 hr
Jun 16, 2:09 AM EDT	Flash Flood Warning	RNK	Henry, City of Martinsville	3 hr
Jun 16, 3:08 AM EDT	Special Weather Statement	RNK	City of Lynchburg	52 min
Jun 16, 5:24 AM EDT	Areal Flood Warning	RNK	Henry, City of Martinsville	3 hr
Jun 16, 10:28 AM EDT	Special Weather Statement	RNK	Franklin, Henry, Patrick, Pittsylvania, City of Martinsville	62 min
Jun 16, 11:18 AM EDT	Special Weather Statement	RNK	City of Danville	42 min
Jun 16, 11:33 AM EDT	Special Weather Statement	RNK	Pittsylvania	42 min
Jun 16, 12:31 PM EDT	Special Weather Statement	RNK	Craig	29 min
Jun 16, 1:21 PM EDT	Special Weather Statement	RNK	Bland	24 min
Jun 16, 4:57 PM EDT	Special Weather Statement	RNK	Buckingham	48 min
Jun 16, 5:02 PM EDT	Special Weather Statement	RNK	City of Buena Vista	58 min
Jun 16, 6:46 PM EDT	Areal Flood Advisory	RNK	Bland, Smyth, Tazewell	3 hr
Jun 15, 11:57 PM EDT	Special Weather Statement	RNK	Rockingham	63 min
Jun 16, 1:16 PM EDT	Special Weather Statement	RNK	Ashe, Watauga	44 min
Jun 16, 6:14 PM EDT	Special Weather Statement	RNK	Yadkin	31 min
Jun 16, 6:51 PM EDT	Areal Flood Advisory	RNK	Surry, Wilkes, Yadkin	3 hr

Nearby

Severe Thunderstorm Warnings in Virginia, 2017 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.