Alert archive / Virginia / Special Weather Statements in 2021

Special Weather Statement, NWS Blacksburg, VA

August 16, 2021Amherst County, Appomattox County, Buckingham County, Virginia

NWS Blacksburg, VA issued this special weather statement at Aug 16, 2021, 9:14 PM EDT for Amherst County, Appomattox County, Buckingham County, Virginia. It was in force for 46 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Aug 16, 2021, 9:14 PM EDT (01:14 UTC)
Expired: Aug 16, 2021, 10:00 PM EDT
In force: 46 min
Issued by: NWS Blacksburg, VA
Hail: 0.00 in
Wind: 30

Counties Amherst County, VA, Appomattox County, VA, Buckingham County, VA

The radar

The Roanoke radar (KFCX), 145 km from the middle of the area, began a volume at 01:14 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.

The nearest sounding before it

Roanoke, VA (KRNK), launched 00:00Z, 1.2 hours before the alert went out and 75 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: 618 J/kg
Mixed-layer CIN: -3 J/kg
Mixed-layer LCL: 929 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: 60 m²/s²
0-3 km storm-relative helicity: 86 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.5

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Blacksburg, VA wrote its last area forecast discussion before this special weather statement went out at Aug 16, 8:13 PM EDT, 1 hour 1 minute earlier.

Area forecast discussion, Aug 16, 8:13 PM EDT, 1 hour 1 minute before

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Hazardous weather outlook, Aug 16, 2:51 PM EDT, 6 hours 23 minutes before

Hazardous Weather Outlook
National Weather Service Blacksburg VA
251 PM EDT Mon Aug 16 2021

NCZ001>006-018>020-VAZ007-009>020-022>024-032>035-043>047-058-059-
WVZ042>044-507-508-171900-
Ashe-Alleghany NC-Surry-Stokes-Rockingham-Caswell-Watauga-Wilkes-
Yadkin-Tazewell-Smyth-Bland-Giles-Wythe-Pulaski-Montgomery-Grayson-
Carroll-Floyd-Craig-Alleghany VA-Bath-Roanoke-Botetourt-Rockbridge-
Patrick-Franklin-Bedford-Amherst-Henry-Pittsylvania-Campbell-
Appomattox-Buckingham-Halifax-Charlotte-Mercer-Summers-Monroe-
Eastern Greenbrier-Western Greenbrier-
251 PM EDT Mon Aug 16 2021

This Hazardous Weather Outlook is for north central North Carolina,
northwest North Carolina, central Virginia, south central Virginia,
southwest Virginia, west central Virginia and southeast West
Virginia.

.DAY ONE...This afternoon and tonight.

Showers and thunderstorms this afternoon and evening could bring
torrential downpours, leading to localized flash flooding.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Heavy rainfall could lead to localized flooding Tuesday and
Wednesday. Strong to severe thunderstorms are possible Tuesday
afternoon into Tuesday night.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed. Reports should be submitted by
phone, social media, by email at rnk.skywarn@noaa.gov or online at
www.weather.gov/rnk.

In the hours before

Special weather statement, Aug 16, 5:11 PM EDT, 4 hours 3 minutes before

Special Weather Statement
National Weather Service BLACKSBURG VA
511 PM EDT Mon Aug 16 2021

NCZ003-019-020-162145-
Yadkin NC-Surry NC-Wilkes NC-
511 PM EDT Mon Aug 16 2021

...A strong thunderstorm will impact portions of southern Surry,
southeastern Wilkes and Yadkin Counties through 545 PM EDT...

At 510 PM EDT, Doppler radar was tracking a strong thunderstorm over
Buck Shoals, or 10 miles southwest of Yadkinville, moving north at 25
mph.

HAZARD...Winds in excess of 30 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Elkin...
Fairview...
Yadkinville...
Jonesville...
Boonville...
East Bend...
and Ronda.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 3606 8091 3605 8101 3634 8089 3633 8045
      3624 8045 3622 8043 3621 8045 3614 8044
      3612 8046 3611 8051 3608 8051 3605 8050
TIME...MOT...LOC 2110Z 194DEG 21KT 3607 8084

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...30 MPH

AS

Special weather statement, Aug 16, 6:51 PM EDT, 2 hours 23 minutes before

Special Weather Statement
National Weather Service BLACKSBURG VA
651 PM EDT Mon Aug 16 2021

VAZ033-034-043-044-058-162345-
Henry VA-Franklin VA-Halifax VA-Bedford VA-Pittsylvania VA-
651 PM EDT Mon Aug 16 2021

...Strong thunderstorms will impact portions of Pittsylvania,
western Halifax, southwestern Bedford, Henry and eastern Franklin
Counties, the City of Danville and the City of Martinsville through
745 PM EDT...

At 650 PM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from Fieldale to near Elmo. Movement was north at 20
mph.

HAZARD...Winds in excess of 30 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Danville...
Martinsville...
Rocky Mount...
Halifax...
Hurt...
Chatham...
and Gretna.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with these storms and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

If on or near Smith Mountain Lake, get out of the water and move
indoors or inside a vehicle. Remember, lightning can strike out to
10 miles from the parent thunderstorm. If you can hear thunder, you
are close enough to be struck by lightning. Move to safe shelter
now! Do not be caught on the water in a thunderstorm.

&&

LAT...LON 3654 7899 3655 8005 3662 8005 3725 7983
      3713 7940 3706 7944 3706 7940 3712 7937
      3698 7889
TIME...MOT...LOC 2250Z 197DEG 17KT 3669 7994 3667 7922

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...30 MPH

AS

Local storm report, Aug 16, 7:16 PM EDT, 1 hour 58 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BLACKSBURG VA
716 PM EDT MON AUG 16 2021

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0657 PM     TSTM WND DMG     SANVILLE                36.71N 80.07W
08/16/2021                   HENRY              VA   911 CALL CENTER

            THUNDERSTORM WINDS BLEW DOWN ONE TREE NEAR
            THE INTERSECTION OF CASSELL DRIVE AND
            MORNING SIDE DRIVE.

&&

PW

Local storm report, Aug 16, 7:59 PM EDT, 1 hour 15 minutes before

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Special weather statement, Aug 16, 8:10 PM EDT, 1 hour 4 minutes before

Special Weather Statement
National Weather Service BLACKSBURG VA
810 PM EDT Mon Aug 16 2021

VAZ034-044-045-058-059-170115-
Halifax VA-Campbell VA-Bedford VA-Pittsylvania VA-Charlotte VA-
810 PM EDT Mon Aug 16 2021

...Strong thunderstorms will impact portions of Charlotte, Campbell,
northeastern Pittsylvania, northern Halifax, and Bedford Counties
and the City of Lynchburg through 915 PM EDT...

At 809 PM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from Peaks Of Otter Recreation Area to Chase City.
Movement was north at 20 mph.

HAZARD...Winds in excess of 30 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Lynchburg...
Bedford...
Altavista...
Hurt...
Brookneal...
Keysville...
and Charlotte Court House.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with these storms and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 3690 7849 3670 7865 3663 7855 3669 7865
      3668 7870 3666 7870 3731 7985 3746 7963
      3745 7959 3760 7943 3740 7912 3739 7906
      3742 7907 3738 7899 3724 7892 3720 7882
      3724 7871 3714 7859 3714 7852 3708 7844
TIME...MOT...LOC 0009Z 194DEG 19KT 3742 7962 3678 7847

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...30 MPH

AS

Special weather statement, Aug 16, 9:14 PM EDT, 0 minutes before

Special Weather Statement
National Weather Service BLACKSBURG VA
914 PM EDT Mon Aug 16 2021

VAZ035-046-047-170200-
Buckingham VA-Amherst VA-Appomattox VA-
914 PM EDT Mon Aug 16 2021

...Strong thunderstorms will impact portions of Appomattox,
Buckingham and Amherst Counties through 1000 PM EDT...

At 914 PM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from Forks Of Buffalo to near Hampden Sydney
College. Movement was northeast at 35 mph.

HAZARD...Winds in excess of 30 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Buckingham...
Amherst...
Appomattox...
Dillwyn...
Forks Of Buffalo...
Bent Creek...
and Clifford.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with these storms and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 3736 7845 3733 7852 3740 7859 3734 7860
      3722 7873 3735 7897 3743 7902 3740 7907
      3761 7942 3780 7922 3781 7914 3768 7897
      3755 7890 3754 7884 3763 7882 3764 7872
      3775 7862 3776 7851 3780 7849 3769 7824
TIME...MOT...LOC 0114Z 206DEG 31KT 3771 7919 3723 7840

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...30 MPH

AS

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 16, 8:10 PM EDT	Special Weather Statement	RNK	Bedford, Campbell, Charlotte, City of Lynchburg	65 min
Aug 16, 8:45 PM EDT	Areal Flood Advisory	RNK	Bland, Tazewell	2 hr
Aug 17, 3:37 AM EDT	Flash Flood Watch	RNK	Alleghany, Amherst, Bath, Bedford, Bland, Botetourt and 21 more	24 hr
Aug 17, 9:32 AM EDT	Areal Flood Advisory	RNK	Carroll	5 hr
Aug 17, 2:27 PM EDT	Special Weather Statement	RNK	Grayson	48 min
Aug 17, 2:43 PM EDT	Tornado Warning	RNK	Henry, Patrick	32 min
Aug 17, 2:53 PM EDT	Flood Watch	RNK	Alleghany, Amherst, Bath, Bedford, Botetourt, Craig and 12 more	12 min
Aug 17, 3:17 PM EDT	Tornado Warning	RNK	Franklin, Henry, Patrick	28 min
Aug 17, 3:18 PM EDT	Tornado Warning	RNK	Franklin, Henry, City of Martinsville	27 min
Aug 17, 3:20 PM EDT	Special Weather Statement	RNK	Carroll, Floyd, Franklin, Montgomery, Patrick, Pittsylvania and 3 more	40 min
Aug 17, 3:41 PM EDT	Tornado Warning	RNK	Franklin, Henry, Patrick	34 min
Aug 17, 3:58 PM EDT	Special Weather Statement	RNK	Bedford, Craig, Giles, Montgomery, Roanoke, City of Roanoke and 1 more	47 min
Aug 17, 4:09 PM EDT	Areal Flood Advisory	RNK	City of Roanoke, City of Salem	3 hr
Aug 17, 4:20 PM EDT	Special Weather Statement	RNK	Henry, Patrick, City of Martinsville	40 min
Aug 17, 4:35 PM EDT	Special Weather Statement	RNK	Carroll	25 min
Aug 17, 4:45 PM EDT	Special Weather Statement	RNK	Bedford, Botetourt, Craig, Roanoke, City of Roanoke, City of Salem	45 min
Aug 17, 5:05 PM EDT	Special Weather Statement	RNK	Grayson, Wythe, City of Galax	40 min
Aug 17, 5:23 PM EDT	Special Weather Statement	RNK	Appomattox, Buckingham	52 min
Aug 17, 5:34 PM EDT	Tornado Warning	RNK	Bedford, Campbell, City of Lynchburg	26 min
Aug 17, 6:05 PM EDT	Special Weather Statement	RNK	Amherst, City of Lynchburg	40 min
Aug 17, 6:45 PM EDT	Special Weather Statement	RNK	City of Lynchburg	45 min
Aug 17, 7:42 PM EDT	Areal Flood Advisory	RNK	Amherst	79 min
Aug 17, 11:48 AM EDT	Tornado Warning Tornado observed	RNK	Wilkes	42 min
Aug 17, 12:35 PM EDT	Tornado Warning Tornado observed	RNK	Wilkes, Yadkin	40 min
Aug 17, 12:46 PM EDT	Special Weather Statement	RNK	Wilkes	44 min
Aug 17, 1:19 PM EDT	Tornado Warning	RNK	Wilkes	41 min
Aug 17, 1:48 PM EDT	Tornado Warning	RNK	Alleghany, Wilkes	42 min
Aug 17, 1:58 PM EDT	Special Weather Statement	RNK	Alleghany, Caswell, Rockingham, Stokes, Surry, Yadkin	32 min
Aug 17, 2:18 PM EDT	Tornado Warning	RNK	Caswell	32 min
Aug 17, 6:50 PM EDT	Special Weather Statement	RNK	Watauga	25 min
Aug 17, 7:13 PM EDT	Flash Flood Warning	RNK	Watauga	8 hr
Aug 17, 7:54 PM EDT	Special Weather Statement	RNK	Ashe	36 min

Nearby

Special Weather Statements in Virginia, 2021 Every special weather statement 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.