Alert archive / Virginia / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 180, NWS Blacksburg, VA
NWS Blacksburg, VA issued this severe thunderstorm warning at Aug 14, 2021, 5:45 PM EDT for Carroll County, Grayson County, Wythe County, Virginia. It was in force for 45 min. 2 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 14, 2021, 5:45 PM EDT (21:45 UTC)
- Expired
- Aug 14, 2021, 6:30 PM EDT
- In force
- 45 min
- Issued by
- NWS Blacksburg, VA
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Carroll County, VA, Grayson County, VA, Wythe County, VA
The radar
The Roanoke radar (KFCX), 70 km from the middle of the area, began a volume at 21:44 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 14, 6:05 PM EDT | TSTM WND DMG | 1 Wnw Ivanhoe, VA | TREE DOWN. |
| Aug 14, 6:10 PM EDT | TSTM WND DMG | 1 Sse Cripple Creek, VA | TREE DOWN. |
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, 9.8 hours before the alert went out and 122 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
- 1624 J/kg
- Mixed-layer CIN
- -77 J/kg
- Mixed-layer LCL
- 954 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- 2 m²/s²
- 0-3 km storm-relative helicity
- 30 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
322 WUUS51 KRNK 142145 SVRRNK VAC035-077-197-142230- /O.NEW.KRNK.SV.W.0180.210814T2145Z-210814T2230Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service BLACKSBURG VA 545 PM EDT Sat Aug 14 2021 The National Weather Service in BLACKSBURG has issued a * Severe Thunderstorm Warning for... South central Wythe County in southwestern Virginia... West central Carroll County in southwestern Virginia... Northeastern Grayson County in southwestern Virginia... * Until 630 PM EDT. * At 545 PM EDT, a severe thunderstorm was located near Spring Valley, or near Fries, moving north at 5 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Fries... Byllesby... Ivanhoe... Cripple Creek... and Spring Valley. 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. 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 3671 8089 3665 8106 3681 8114 3686 8095 TIME...MOT...LOC 2145Z 160DEG 5KT 3676 8101 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ DS
3 follow-up statements
809 WWUS51 KRNK 142157 SVSRNK Severe Weather Statement National Weather Service BLACKSBURG VA 557 PM EDT Sat Aug 14 2021 VAC035-077-197-142230- /O.CON.KRNK.SV.W.0180.000000T0000Z-210814T2230Z/ Wythe VA-Carroll VA-Grayson VA- 557 PM EDT Sat Aug 14 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM EDT FOR SOUTH CENTRAL WYTHE...WEST CENTRAL CARROLL AND NORTHEASTERN GRAYSON COUNTIES... At 557 PM EDT, a severe thunderstorm was located near Spring Valley, or near Fries, moving north at 5 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Fries... Byllesby... Ivanhoe... Cripple Creek... and Spring Valley. PRECAUTIONARY/PREPAREDNESS ACTIONS... Prepare immediately for DAMAGING WINDS. For your safety, move to an interior room on the lowest floor of a sturdy building. Stay away from windows. When it is safe to do so, please send your reports of hail of any size, as well as reports of any wind damage, including downed trees or large limbs, to the National Weather Service by calling toll free at 1...8 6 6...2 1 5...4 3 2 4. Reports and pictures can also be shared on the National Weather Service Blacksburg Facebook page and on Twitter. && LAT...LON 3671 8089 3665 8106 3681 8114 3686 8095 TIME...MOT...LOC 2157Z 160DEG 5KT 3678 8102 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ DS
308
WWUS51 KRNK 142215
SVSRNK
Severe Weather Statement
National Weather Service BLACKSBURG VA
615 PM EDT Sat Aug 14 2021
VAC035-077-197-142230-
/O.CON.KRNK.SV.W.0180.000000T0000Z-210814T2230Z/
Wythe VA-Carroll VA-Grayson VA-
615 PM EDT Sat Aug 14 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM EDT
FOR SOUTH CENTRAL WYTHE...NORTHWESTERN CARROLL AND NORTHEASTERN
GRAYSON COUNTIES...
At 614 PM EDT, a severe thunderstorm was located near Ivanhoe, or
near Fries, and is nearly stationary.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Ivanhoe...
and Cripple Creek.
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.
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 3675 8101 3676 8108 3682 8110 3686 8095
3681 8093
TIME...MOT...LOC 2214Z 184DEG 4KT 3680 8101
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
DS254
WWUS51 KRNK 142226
SVSRNK
Severe Weather Statement
National Weather Service BLACKSBURG VA
626 PM EDT Sat Aug 14 2021
VAC035-077-197-142236-
/O.EXP.KRNK.SV.W.0180.000000T0000Z-210814T2230Z/
Wythe VA-Carroll VA-Grayson VA-
626 PM EDT Sat Aug 14 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL
WYTHE...NORTHWESTERN CARROLL AND NORTHEASTERN GRAYSON COUNTIES WILL
EXPIRE AT 630 PM EDT...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire. However heavy rain
is still possible with this thunderstorm.
LAT...LON 3675 8101 3676 8108 3682 8110 3686 8095
3681 8093
TIME...MOT...LOC 2226Z 160DEG 5KT 3681 8102
$$
DSThe office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 13, 8:08 PM EDT | Special Weather Statement | RNK | Tazewell | 52 min |
| Aug 13, 8:41 PM EDT | Special Weather Statement | RNK | City of Lynchburg | 34 min |
| Aug 13, 9:46 PM EDT | Special Weather Statement | RNK | City of Danville | 44 min |
| Aug 13, 10:28 PM EDT | Special Weather Statement | RNK | City of Danville | 47 min |
| Aug 13, 11:36 PM EDT | Special Weather Statement | RNK | Tazewell | 39 min |
| Aug 13, 11:48 PM EDT | Severe Thunderstorm Warning | RNK | Tazewell | 57 min |
| Aug 14, 2:39 PM EDT | Severe Thunderstorm Warning | RNK | Appomattox, Buckingham | 66 min |
| Aug 14, 2:45 PM EDT | Special Weather Statement | RNK | Franklin | 30 min |
| Aug 14, 4:05 PM EDT | Special Weather Statement | RNK | City of Martinsville | 25 min |
| Aug 14, 4:07 PM EDT | Special Weather Statement | RNK | Patrick | 23 min |
| Aug 14, 4:08 PM EDT | Special Weather Statement | RNK | Charlotte | 37 min |
| Aug 14, 4:30 PM EDT | Special Weather Statement | RNK | Patrick | 30 min |
| Aug 14, 4:31 PM EDT | Special Weather Statement | RNK | City of Martinsville | 29 min |
| Aug 14, 4:34 PM EDT | Special Weather Statement | RNK | Halifax | 26 min |
| Aug 14, 4:46 PM EDT | Areal Flood Advisory | RNK | Patrick | 2 hr |
| Aug 14, 4:50 PM EDT | Areal Flood Advisory | RNK | Charlotte | 3 hr |
| Aug 14, 5:04 PM EDT | Special Weather Statement | RNK | Halifax | 26 min |
| Aug 14, 5:05 PM EDT | Special Weather Statement | RNK | Franklin | 25 min |
| Aug 14, 5:08 PM EDT | Special Weather Statement | RNK | Charlotte | 37 min |
| Aug 14, 5:16 PM EDT | Severe Thunderstorm Warning | RNK | Charlotte, Halifax | 59 min |
| Aug 14, 5:25 PM EDT | Special Weather Statement | RNK | City of Galax | 35 min |
| Aug 14, 5:29 PM EDT | Special Weather Statement | RNK | Franklin | 31 min |
| Aug 14, 5:35 PM EDT | Areal Flood Advisory | RNK | Halifax | 3 hr |
| Aug 14, 5:46 PM EDT | Special Weather Statement | RNK | Franklin | 29 min |
| Aug 14, 6:10 PM EDT | Areal Flood Advisory | RNK | Charlotte | 2 hr |
| Aug 14, 6:31 PM EDT | Areal Flood Advisory | RNK | Halifax | 2 hr |
| Aug 14, 6:38 PM EDT | Areal Flood Advisory | RNK | Carroll, Grayson, Wythe | 117 min |
| Aug 14, 6:39 PM EDT | Special Weather Statement | RNK | Halifax | 36 min |
| Aug 14, 6:55 PM EDT | Special Weather Statement | RNK | Wythe | 35 min |
| Aug 14, 7:18 PM EDT | Severe Thunderstorm Warning | RNK | Pulaski, Wythe | 22 min |
| Aug 14, 7:22 PM EDT | Special Weather Statement | RNK | Amherst, City of Buena Vista | 23 min |
| Aug 14, 7:25 PM EDT | Special Weather Statement | RNK | Bedford | 35 min |
| Aug 14, 7:29 PM EDT | Special Weather Statement | RNK | Smyth | 31 min |
| Aug 14, 7:31 PM EDT | Special Weather Statement | RNK | City of Buena Vista | 29 min |
| Aug 14, 7:35 PM EDT | Special Weather Statement | RNK | Bath | 25 min |
| Aug 14, 7:43 PM EDT | Special Weather Statement | RNK | Pulaski | 32 min |
| Aug 14, 7:47 PM EDT | Areal Flood Advisory | RNK | Pulaski, Wythe | 85 min |
| Aug 14, 7:50 PM EDT | Special Weather Statement | RNK | Amherst, Buckingham, City of Buena Vista | 25 min |
Nearby
Severe Thunderstorm Warnings in Virginia, 2021Every 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.