Alert archive / Virginia / Special Weather Statements in 2021
Special Weather Statement, NWS Blacksburg, VA
NWS Blacksburg, VA issued this special weather statement at Aug 7, 2021, 6:43 PM EDT for Carroll County, Virginia. It was in force for 32 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
- Aug 7, 2021, 6:43 PM EDT (22:43 UTC)
- Expired
- Aug 7, 2021, 7:15 PM EDT
- In force
- 32 min
- Issued by
- NWS Blacksburg, VA
- Hail
- 0.75 in
- Wind
- 50
County Carroll County, VA
The radar
The Roanoke radar (KFCX), 46 km from the middle of the area, began a volume at 22:44 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 7, 6:44 PM EDT | TSTM WND DMG | 3 Se Gladesboro, VA | ONE TREE DOWN ON GLADESBORO ROAD. TIME ESTIMATED BY RADAR. |
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 12:00Z, 10.7 hours before the alert went out and 86 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.
- Mixed-layer CAPE
- 17 J/kg
- Mixed-layer CIN
- -87 J/kg
- Mixed-layer LCL
- 543 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 36 m²/s²
- 0-3 km storm-relative helicity
- 67 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted.
307
WWUS81 KRNK 072243
SPSRNK
Special Weather Statement
National Weather Service BLACKSBURG VA
643 PM EDT Sat Aug 7 2021
NCZ003-VAZ016-017-032-072315-
Surry NC-Patrick VA-Floyd VA-Carroll VA-
643 PM EDT Sat Aug 7 2021
...Strong thunderstorms will impact portions of
northeastern Surry, south central Floyd, southeastern Carroll and
western Patrick Counties through 715 PM EDT...
At 643 PM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from Gladesboro to near Bottom. Movement was
northeast at 20 mph.
HAZARD...Wind gusts up to 50 mph and penny size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Mount Airy...
Flat Rock...
Fancy Gap...
Ararat...
Cana...
Bottom...
and Laurel Fork.
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 3683 8034 3645 8050 3647 8079 3675 8067
TIME...MOT...LOC 2243Z 239DEG 17KT 3672 8063 3644 8076
MAX HAIL SIZE...0.75 IN
MAX WIND GUST...50 MPH
$$
RRThe office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 7, 2:21 PM EDT | Special Weather Statement | RNK | Smyth, Tazewell | 54 min |
| Aug 7, 3:28 PM EDT | Special Weather Statement | RNK | Grayson, Wythe | 62 min |
| Aug 7, 3:40 PM EDT | Special Weather Statement | RNK | Tazewell | 65 min |
| Aug 7, 4:03 PM EDT | Special Weather Statement | RNK | Buchanan | 27 min |
| Aug 7, 4:34 PM EDT | Special Weather Statement | RNK | Grayson, Wythe | 26 min |
| Aug 7, 4:55 PM EDT | Special Weather Statement | RNK | Giles | 35 min |
| Aug 7, 5:09 PM EDT | Special Weather Statement | RNK | Giles | 36 min |
| Aug 7, 5:27 PM EDT | Special Weather Statement | RNK | Pulaski | 33 min |
| Aug 7, 5:38 PM EDT | Special Weather Statement | RNK | Carroll, City of Galax | 37 min |
| Aug 7, 5:40 PM EDT | Severe Thunderstorm Warning | RNK | Carroll, Grayson, Patrick, City of Galax | 65 min |
| Aug 7, 6:00 PM EDT | Special Weather Statement | RNK | Pulaski | 30 min |
| Aug 7, 6:54 PM EDT | Severe Thunderstorm Warning | RNK | Carroll, Floyd, Patrick | 66 min |
| Aug 7, 3:54 PM EDT | Special Weather Statement | RNK | Wilkes | 51 min |
| Aug 7, 4:24 PM EDT | Severe Thunderstorm Warning | RNK | Watauga, Wilkes | 43 min |
| Aug 7, 4:39 PM EDT | Areal Flood Advisory | RNK | Wilkes | 3 hr |
| Aug 7, 4:47 PM EDT | Severe Thunderstorm Warning | RNK | Alleghany, Ashe, Watauga, Wilkes | 58 min |
| Aug 7, 5:02 PM EDT | Special Weather Statement | RNK | Caldwell | 28 min |
| Aug 7, 5:24 PM EDT | Severe Thunderstorm Warning | RNK | Alleghany, Surry, Wilkes | 66 min |
| Aug 7, 6:29 PM EDT | Special Weather Statement | RNK | Surry, Yadkin | 46 min |
| Aug 7, 4:14 PM EDT | Special Weather Statement | RNK | Mercer, Summers | 46 min |
Nearby
Special Weather Statements in Virginia, 2021Every 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.