Alert archive / Virginia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 124, NWS Blacksburg, VA

July 27, 2021Bedford County, Virginia

NWS Blacksburg, VA issued this severe thunderstorm warning at Jul 27, 2021, 11:51 PM EDT for Bedford County, Virginia. It was in force for 54 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: Jul 27, 2021, 11:51 PM EDT (03:51 UTC)
Expired: Jul 28, 2021, 12:45 AM EDT
In force: 54 min
Issued by: NWS Blacksburg, VA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Bedford County, VA

The radar

The Roanoke radar (KFCX), 97 km from the middle of the area, began a volume at 03:50 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
Jul 28, 12:30 AM EDT	TSTM WND DMG	3 Nne Bedford, VA	A HALF DOZEN TREES DOWN JUST OFF BIG ISLAND HIGHWAY. TIME ESTIMATED FROM RADAR.

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 00:00Z, 3.9 hours before the alert went out and 33 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: 372 J/kg
Mixed-layer CIN: -12 J/kg
Mixed-layer LCL: 1853 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: -10 m²/s²
0-3 km storm-relative helicity: 46 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.2

Open this sounding in Storm Lab

The text

As transmitted.

530 
WUUS51 KRNK 280351
SVRRNK
VAC019-280445-
/O.NEW.KRNK.SV.W.0124.210728T0351Z-210728T0445Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service BLACKSBURG VA
1151 PM EDT Tue Jul 27 2021

The National Weather Service in BLACKSBURG has issued a

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

* Until 1245 AM EDT.

* At 1151 PM EDT, a severe thunderstorm was located near Goode, or
  near Bedford, 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...
  Bedford...
  Forest...
  Big Island...
  Coleman Falls...
  Boonsboro...
  Goode...
  and Sedalia.

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 3745 7926 3744 7927 3742 7924 3741 7926
      3739 7923 3727 7931 3736 7955 3750 7954
      3752 7950 3754 7949 3754 7935 3750 7930
      3751 7927 3749 7926 3751 7924 3750 7922
      3747 7921
TIME...MOT...LOC 0351Z 276DEG 6KT 3740 7947 

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

SH

1 follow-up statement

915 
WWUS51 KRNK 280418
SVSRNK

Severe Weather Statement
National Weather Service BLACKSBURG VA
1218 AM EDT Wed Jul 28 2021

VAC019-280445-
/O.CON.KRNK.SV.W.0124.000000T0000Z-210728T0445Z/
Bedford VA-
1218 AM EDT Wed Jul 28 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1245 AM EDT
FOR
NORTHEASTERN BEDFORD COUNTY...

At 1217 AM EDT, a severe thunderstorm was located over Goode, or 7
miles northeast of Bedford, moving east at 5 mph.

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

SOURCE...Radar indicated.

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

Locations impacted include...
Bedford...
Forest...
Big Island...
Coleman Falls...
Boonsboro...
Goode...
and Sedalia.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Prepare immediately for LARGE HAIL AND DAMAGING WINDS, as well as
deadly cloud to ground lightning. 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 3745 7926 3744 7927 3742 7924 3741 7926
      3739 7923 3727 7931 3736 7955 3750 7954
      3752 7950 3754 7949 3754 7935 3750 7930
      3751 7927 3749 7926 3751 7924 3750 7922
      3747 7921
TIME...MOT...LOC 0417Z 276DEG 6KT 3740 7942 

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

SH

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 27, 10:32 PM EDT	Special Weather Statement	RNK	Bedford	28 min
Jul 27, 10:55 PM EDT	Special Weather Statement	RNK	City of Salem	35 min
Jul 27, 11:04 PM EDT	Special Weather Statement	RNK	Bedford	26 min
Jul 27, 11:22 PM EDT	Special Weather Statement	RNK	Amherst	23 min
Jul 27, 11:35 PM EDT	Special Weather Statement	RNK	Bedford	25 min
Jul 27, 11:50 PM EDT	Severe Thunderstorm Warning	RNK	Amherst	40 min
Jul 28, 12:06 AM EDT	Areal Flood Advisory	RNK	Bedford	2 hr
Jul 28, 12:09 AM EDT	Special Weather Statement	RNK	Bedford	36 min
Jul 28, 12:21 AM EDT	Severe Thunderstorm Warning	RNK	Bedford, Campbell	54 min
Jul 28, 12:31 AM EDT	Special Weather Statement	RNK	Buckingham	29 min
Jul 28, 12:33 AM EDT	Special Weather Statement	RNK	Amherst	27 min
Jul 28, 12:47 AM EDT	Severe Thunderstorm Warning	RNK	Buckingham	43 min
Jul 28, 12:52 AM EDT	Flash Flood Warning	RNK	Bedford	93 min
Jul 28, 1:09 AM EDT	Special Weather Statement	RNK	Bedford	51 min
Jul 28, 1:21 AM EDT	Special Weather Statement	RNK	Appomattox	24 min
Jul 28, 1:47 AM EDT	Special Weather Statement	RNK	Appomattox	28 min
Jul 28, 2:14 AM EDT	Special Weather Statement	RNK	Appomattox	31 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.