Alert archive / Virginia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 188, NWS Blacksburg, VA

August 27, 2021Bedford County, Franklin County, Virginia

NWS Blacksburg, VA issued this severe thunderstorm warning at Aug 27, 2021, 4:13 PM EDT for Bedford County, Franklin County, Virginia. It was in force for 62 min. 5 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: Aug 27, 2021, 4:13 PM EDT (20:13 UTC)
Expired: Aug 27, 2021, 5:15 PM EDT
In force: 62 min
Issued by: NWS Blacksburg, VA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Bedford County, VA, Franklin County, VA

The radar

The Roanoke radar (KFCX), 49 km from the middle of the area, began a volume at 20:14 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
Aug 27, 4:13 PM EDT	TSTM WND DMG	2 Ssw Stewartsville, VA	OVER 20 LARGE TREES WERE BLOWN DOWN BY THUNDERSTORM WINDS. TREES BLOCKED WINDHURST DRIVE AND HARDY ROAD.
Aug 27, 4:15 PM EDT	TSTM WND DMG	2 Ssw Stewartsville, VA	TREE DOWN ON A POWER LINE AT THE INTERSECTION OF VIRGINIA RIDGE ROAD AND HARDY ROAD.
Aug 27, 4:20 PM EDT	TSTM WND DMG	4 S Stewartsville, VA	TREES DOWN NEAR THE INTERSECTION OF EDWARDSVILLE ROAD AND HARDY ROAD.
Aug 27, 4:20 PM EDT	TSTM WND DMG	4 Ssw Stewartsville, VA	TREES DOWN NEAR THE INTERSECTION OF WHISPERING HEIGHTS DRIVE AND COOPERS COVE ROAD.
Aug 27, 4:20 PM EDT	TSTM WND DMG	4 Ssw Stewartsville, VA	CORRECTS PREVIOUS TSTM WND DMG REPORT FROM 4 SSW STEWARTSVILLE. TREES DOWN NEAR THE INTERSECTION OF WHISPERING HEIGHTS DRIVE AND COOPERS COVE ROAD.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Roanoke, VA (KRNK), launched 12:00Z, 8.2 hours before the alert went out and 25 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: 436 J/kg
Mixed-layer CIN: -103 J/kg
Mixed-layer LCL: 913 m above ground
0-6 km bulk shear: 7 kt
0-1 km storm-relative helicity: -26 m²/s²
0-3 km storm-relative helicity: -26 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

415 
WUUS51 KRNK 272013
SVRRNK
VAC019-067-272115-
/O.NEW.KRNK.SV.W.0188.210827T2013Z-210827T2115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service BLACKSBURG VA
413 PM EDT Fri Aug 27 2021

The National Weather Service in BLACKSBURG has issued a

* Severe Thunderstorm Warning for...
  Southwestern Bedford County in south central Virginia...
  Northeastern Franklin County in west central Virginia...

* Until 515 PM EDT.

* At 412 PM EDT, a severe thunderstorm was located over
  Stewartsville, moving east 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...
  Moneta...
  Stewartsville...
  Chamblissburg...
  Northwest Smith Mountain Lake...
  Goodview...
  Westlake Corner...
  and North Shore.

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.

Locally heavy rain will quickly reduce visibility and result in
ponding of water on roadways, standing water in low lying areas, and
minor flooding of creeks, streams, and areas of poor drainage.
Drivers are urged to slow down and use extra caution to avoid
hydroplaning.

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 3727 7955 3708 7967 3719 7989 3721 7988
      3721 7985 3722 7985 3723 7984 3726 7985
      3729 7984
TIME...MOT...LOC 2012Z 277DEG 6KT 3723 7980 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

RS

3 follow-up statements

463 
WWUS51 KRNK 272032
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
432 PM EDT Fri Aug 27 2021

VAC019-067-272115-
/O.CON.KRNK.SV.W.0188.000000T0000Z-210827T2115Z/
Bedford VA-Franklin VA-
432 PM EDT Fri Aug 27 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM EDT
FOR SOUTHWESTERN BEDFORD AND NORTHEASTERN FRANKLIN COUNTIES...

At 431 PM EDT, a severe thunderstorm was located near Goodview, or
near Stewartsville, moving southeast at 5 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Moneta...
Stewartsville...
Chamblissburg...
Northwest Smith Mountain Lake...
Goodview...
Westlake Corner...
and North Shore.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Locally heavy rain will quickly reduce visibility and result in
ponding of water on roadways, standing water in low lying areas, and
minor flooding of creeks, streams, and areas of poor drainage.
Drivers are urged to slow down and use extra caution to avoid
hydroplaning.

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 3727 7955 3708 7967 3717 7985 3722 7985
      3723 7984 3724 7984 3725 7983 3728 7979
TIME...MOT...LOC 2031Z 295DEG 5KT 3721 7978 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

RS

552 
WWUS51 KRNK 272057
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
457 PM EDT Fri Aug 27 2021

VAC019-067-272115-
/O.CON.KRNK.SV.W.0188.000000T0000Z-210827T2115Z/
Bedford VA-Franklin VA-
457 PM EDT Fri Aug 27 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM EDT
FOR SOUTHWESTERN BEDFORD AND NORTHEASTERN FRANKLIN COUNTIES...

At 456 PM EDT, a severe thunderstorm was located over Westlake
Corner, or near Moneta, moving east at 15 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Moneta...
Northwest Smith Mountain Lake...
Westlake Corner...
and North Shore.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Locally heavy rain will quickly reduce visibility and result in
ponding of water on roadways, standing water in low lying areas, and
minor flooding of creeks, streams, and areas of poor drainage.
Drivers are urged to slow down and use extra caution to avoid
hydroplaning.

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 3727 7955 3708 7967 3713 7977 3719 7972
      3723 7970
TIME...MOT...LOC 2056Z 290DEG 12KT 3714 7968 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

RS

538 
WWUS51 KRNK 272106
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
506 PM EDT Fri Aug 27 2021

VAC019-067-272115-
/O.EXP.KRNK.SV.W.0188.000000T0000Z-210827T2115Z/
Bedford VA-Franklin VA-
506 PM EDT Fri Aug 27 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN BEDFORD AND 
NORTHEASTERN FRANKLIN COUNTIES WILL EXPIRE AT 515 PM EDT...
                
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 will be allowed to expire. However, gusty 
winds are still possible with this thunderstorm.

LAT...LON 3727 7955 3708 7967 3713 7977 3719 7972
      3723 7970
TIME...MOT...LOC 2105Z 277DEG 6KT 3714 7966 

$$

RS

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 26, 8:19 PM EDT	Special Weather Statement	RNK	Craig, Roanoke	41 min
Aug 26, 9:01 PM EDT	Special Weather Statement	RNK	Botetourt	29 min
Aug 27, 3:53 AM EDT	Dense Fog Advisory	RNK	Alleghany, Bath, Bland, Botetourt, Carroll, Craig and 8 more	6 hr
Aug 27, 1:16 PM EDT	Special Weather Statement	RNK	Pulaski	29 min
Aug 27, 2:02 PM EDT	Special Weather Statement	RNK	Bland	28 min
Aug 27, 4:39 PM EDT	Severe Thunderstorm Warning	RNK	Franklin	28 min
Aug 27, 4:55 PM EDT	Special Weather Statement	RNK	Carroll	20 min
Aug 27, 5:03 PM EDT	Special Weather Statement	RNK	Bedford	57 min

Nearby

Severe Thunderstorm Warnings in Virginia, 2021 Every severe thunderstorm warning in 2021

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.