Alert archive / Virginia / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 21, NWS Blacksburg, VA

May 10, 20184 counties in Virginia

NWS Blacksburg, VA issued this severe thunderstorm warning at May 10, 2018, 2:18 PM EDT for 4 counties in Virginia. It was in force for 57 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
May 10, 2018, 2:18 PM EDT (18:18 UTC)
Expired
May 10, 2018, 3:15 PM EDT
In force
57 min
Issued by
NWS Blacksburg, VA
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

Counties Amherst County, VA, Bedford County, VA, Campbell County, VA, City of Lynchburg, VA

The radar

The Roanoke radar (KFCX), 86 km from the middle of the area, began a volume at 18:17 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 10, 2:30 PM EDTHAIL 0.755 Nw Bedford City, VAHAIL FELL ON SOLARIDGE DRIVE.
May 10, 2:48 PM EDTHAIL 0.25Lynchburg City, VAPEA SIZE HAIL REPORTED NEAR BEDFORD COUNTY BORDER
May 10, 3:03 PM EDTHAIL 0.5Lynchburg City, VAMARBLE SIZE HAIL REPORTED IN LYNCHBURG
May 10, 3:05 PM EDTHAIL 0.25Madison Heights, VASMALL HAIL REPORTED IN MADISON HEIGHTS
May 10, 3:05 PM EDTHAIL 0.5Madison Heights, VAHALF INCH HAIL REPORTED IN MADISON HEIGHTS
May 10, 3:07 PM EDTHAIL 1Madison Heights, VA

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 10, 1:14 PM EDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Roanoke, VA (KRNK), launched 12:00Z, 6.3 hours before the alert went out and 26 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, Roanoke, VA at 12:00Z on 2018-05-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Roanoke, VA at 12:00Z on 2018-05-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 206 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1342 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
206 m²/s²
0-3 km storm-relative helicity
190 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

880 
WUUS51 KRNK 101818
SVRRNK
VAC009-019-031-680-101915-
/O.NEW.KRNK.SV.W.0021.180510T1818Z-180510T1915Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service BLACKSBURG VA
218 PM EDT THU MAY 10 2018

The National Weather Service in BLACKSBURG has issued a

* Severe Thunderstorm Warning for...
  North central Campbell County in central Virginia...
  South central Amherst County in central Virginia...
  Northeastern Bedford County in south central Virginia...
  The City of Lynchburg in central Virginia...

* Until 315 PM EDT

* At 218 PM EDT, a severe thunderstorm was located near Peaks Of
  Otter Recreation Area, moving east at 35 mph.

  HAZARD...60 mph wind gusts and half dollar size hail. 

  SOURCE...Radar indicated. 

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

* Locations impacted include...
  Lynchburg...
  Bedford...
  Forest...
  Madison Heights...
  and Boonsboro.

This includes The following Locations Liberty University and
Lynchburg Airport.
 
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 3731 7900 3735 7970 3746 7970 3747 7964
      3745 7963 3746 7961 3745 7959 3748 7958
      3750 7941 3749 7905
TIME...MOT...LOC 1818Z 265DEG 28KT 3740 7961 

HAIL...1.25IN
WIND...60MPH
 
$$

WP
4 follow-up statements
333 
WWUS51 KRNK 101837
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
237 PM EDT THU MAY 10 2018

VAC009-019-031-680-101915-
/O.CON.KRNK.SV.W.0021.000000T0000Z-180510T1915Z/
Campbell VA-Amherst VA-Bedford VA-City of Lynchburg VA-
237 PM EDT THU MAY 10 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM EDT
FOR
NORTH CENTRAL CAMPBELL...SOUTH CENTRAL AMHERST...AND NORTHEASTERN
BEDFORD COUNTIES AND THE CITY OF LYNCHBURG...

At 237 PM EDT, a severe thunderstorm was located near Goode, moving
east at 40 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...
Lynchburg...
Forest...
Madison Heights...
Boonsboro...
and Goode.

This includes The following Location Liberty University.
 
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 3732 7901 3738 7955 3744 7953 3746 7951
      3750 7941 3749 7905
TIME...MOT...LOC 1837Z 265DEG 35KT 3742 7935 

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

WP
961 
WWUS51 KRNK 101855
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
255 PM EDT THU MAY 10 2018

VAC009-019-031-680-101915-
/O.CON.KRNK.SV.W.0021.000000T0000Z-180510T1915Z/
Campbell VA-Amherst VA-Bedford VA-City of Lynchburg VA-
255 PM EDT THU MAY 10 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM EDT
FOR
NORTH CENTRAL CAMPBELL...SOUTH CENTRAL AMHERST...AND EAST CENTRAL
BEDFORD COUNTIES AND THE CITY OF LYNCHBURG...

At 254 PM EDT, a severe thunderstorm was located over Madison
Heights, moving east at 35 mph.

HAZARD...Ping pong ball size hail and 60 mph wind gusts. 

SOURCE...Radar indicated. 

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees. 

Locations impacted include...
Lynchburg...
Forest...
Madison Heights...
Boonsboro...
and Bocock.

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 3732 7901 3740 7931 3744 7953 3742 7932
      3747 7932 3749 7905
TIME...MOT...LOC 1854Z 264DEG 30KT 3743 7916 

HAIL...1.50IN
WIND...60MPH
 
$$

WP
113 
WWUS51 KRNK 101859
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
259 PM EDT THU MAY 10 2018

VAC019-031-101909-
/O.CAN.KRNK.SV.W.0021.000000T0000Z-180510T1915Z/
Campbell VA-Bedford VA-
259 PM EDT THU MAY 10 2018

...THE SEVERE THUNDERSTORM WARNING FOR 
NORTH CENTRAL CAMPBELL AND EAST CENTRAL BEDFORD COUNTIES IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area.  Therefore, the warning has been cancelled.

A severe thunderstorm watch remains in effect until 700 PM EDT for
central, south central and west central Virginia.

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 3742 7904 3742 7907 3739 7906 3740 7924
      3740 7925 3742 7925 3745 7927 3745 7925
      3746 7923 3749 7905 3743 7904
TIME...MOT...LOC 1859Z 265DEG 28KT 3743 7911 

$$

VAC009-680-101915-
/O.CON.KRNK.SV.W.0021.000000T0000Z-180510T1915Z/
Amherst VA-City of Lynchburg VA-
259 PM EDT THU MAY 10 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM EDT
FOR
SOUTH CENTRAL AMHERST  AND THE NORTHERN CITY OF LYNCHBURG...

At 259 PM EDT, a severe thunderstorm was located over Madison
Heights, moving east at 30 mph.

HAZARD...Ping pong ball size hail and 60 mph wind gusts. 

SOURCE...Radar indicated. 

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees. 

Locations impacted include...
Lynchburg...
and Madison Heights.

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 3742 7904 3742 7907 3739 7906 3740 7924
      3740 7925 3742 7925 3745 7927 3745 7925
      3746 7923 3749 7905 3743 7904
TIME...MOT...LOC 1859Z 265DEG 28KT 3743 7911 

HAIL...1.50IN
WIND...60MPH
 
$$

WP
529 
WWUS51 KRNK 101916
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
316 PM EDT THU MAY 10 2018

VAC009-680-101925-
/O.EXP.KRNK.SV.W.0021.000000T0000Z-180510T1915Z/
Amherst VA-City of Lynchburg VA-
316 PM EDT THU MAY 10 2018

...THE SEVERE THUNDERSTORM WARNING FOR 
SOUTH CENTRAL AMHERST  AND THE NORTHERN CITY OF LYNCHBURG HAS
EXPIRED...
        
The storm which prompted the warning has moved out of the area.
Therefore the warning has been allowed to expire.  However heavy rain
is still possible with this thunderstorm.

A severe thunderstorm watch remains in effect until 700 PM EDT for
central, south central and west central Virginia.

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.

Remember, a Severe Thunderstorm Warning still remains in effect for
Southeastern Amherst County in central Virginia until 345 PM.

LAT...LON 3742 7904 3742 7907 3739 7906 3740 7924
      3740 7925 3742 7925 3745 7927 3745 7925
      3746 7923 3749 7905 3743 7904
TIME...MOT...LOC 1915Z 265DEG 28KT 3744 7895 

$$

WP

The office that day

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

IssuedProductOfficeCountiesLasted
May 10, 11:46 AM EDTSpecial Weather StatementRNKBath59 min
May 10, 12:03 PM EDTSpecial Weather StatementRNKCity of Covington57 min
May 10, 12:45 PM EDTSpecial Weather StatementRNKBath30 min
May 10, 1:24 PM EDTSpecial Weather StatementRNKCarroll36 min
May 10, 1:25 PM EDTSpecial Weather StatementRNKAmherst35 min
May 10, 1:33 PM EDTSpecial Weather StatementRNKBotetourt27 min
May 10, 1:45 PM EDTSpecial Weather StatementRNKAmherst, City of Buena Vista30 min
May 10, 1:48 PM EDTSpecial Weather StatementRNKTazewell42 min
May 10, 1:58 PM EDTSpecial Weather StatementRNKCity of Lynchburg32 min
May 10, 2:01 PM EDTSevere Thunderstorm WarningRNKAmherst, Bedford, Botetourt, Rockbridge44 min
May 10, 2:16 PM EDTSpecial Weather StatementRNKPatrick59 min
May 10, 2:18 PM EDTAreal Flood AdvisoryRNKAmherst, Bedford, Rockbridge, City of Buena Vista94 min
May 10, 2:35 PM EDTSevere Thunderstorm WarningRNKPatrick55 min
May 10, 2:40 PM EDTSevere Thunderstorm WarningRNKAmherst, Buckingham65 min
May 10, 2:46 PM EDTSevere Thunderstorm WarningRNKAmherst, Appomattox, Buckingham59 min
May 10, 2:52 PM EDTAreal Flood AdvisoryRNKAmherst, Bedford, City of Lynchburg53 min
May 10, 2:52 PM EDTSpecial Weather StatementRNKCarroll53 min
May 10, 3:14 PM EDTSpecial Weather StatementRNKHenry, City of Martinsville46 min
May 10, 3:25 PM EDTSpecial Weather StatementRNKGiles, Roanoke35 min
May 10, 3:29 PM EDTSevere Thunderstorm WarningRNKHenry, Patrick, Pittsylvania, City of Danville, City of Martinsville61 min
May 10, 3:35 PM EDTSpecial Weather StatementRNKCampbell55 min
May 10, 3:38 PM EDTSevere Thunderstorm WarningRNKAppomattox, Buckingham26 min
May 10, 3:42 PM EDTSevere Thunderstorm WarningRNKAppomattox, Campbell, Charlotte63 min
May 10, 3:53 PM EDTSpecial Weather StatementRNKCity of Salem52 min
May 10, 3:57 PM EDTAreal Flood AdvisoryRNKAppomattox, Campbell, Charlotte63 min
May 10, 4:23 PM EDTSpecial Weather StatementRNKFranklin37 min
May 10, 4:27 PM EDTSevere Thunderstorm WarningRNKHalifax, Pittsylvania, City of Danville48 min
May 10, 4:57 PM EDTSpecial Weather StatementRNKBedford, City of Lynchburg48 min
May 10, 5:02 PM EDTSpecial Weather StatementRNKCampbell43 min
May 10, 5:16 PM EDTSpecial Weather StatementRNKSmyth44 min
May 10, 6:03 PM EDTSpecial Weather StatementRNKGrayson, Smyth42 min
May 10, 6:12 PM EDTSpecial Weather StatementRNKBotetourt48 min
May 10, 6:23 PM EDTSevere Thunderstorm WarningRNKAmherst, Bedford, Botetourt, Rockbridge36 min
May 10, 6:49 PM EDTSpecial Weather StatementRNKFloyd41 min

Nearby

Severe Thunderstorm Warnings in Virginia, 2018Every severe thunderstorm warning in 2018

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.