Alert archive / Virginia / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 99, NWS Morristown, TN
NWS Morristown, TN issued this severe thunderstorm warning at Aug 7, 2021, 4:07 PM EDT for Russell County, Virginia. It was in force for 23 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, 4:07 PM EDT (20:07 UTC)
- Expired
- Aug 7, 2021, 4:30 PM EDT
- In force
- 23 min
- Issued by
- NWS Morristown, TN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Russell County, VA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 7, 4:21 PM EDT | HAIL 1 | 2 Sse Dye, VA |
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, 8.1 hours before the alert went out and 210 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.
661
WUUS54 KMRX 072007
SVRMRX
VAC167-072030-
/O.NEW.KMRX.SV.W.0099.210807T2007Z-210807T2030Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Morristown TN
407 PM EDT Sat Aug 7 2021
The National Weather Service in Morristown has issued a
* Severe Thunderstorm Warning for...
Northeastern Russell County in southwestern Virginia...
* Until 430 PM EDT.
* At 407 PM EDT, a severe thunderstorm was located near Raven, or
near Richlands, moving east at 15 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...
Honaker, Dye and Rosedale.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Prepare immediately for large hail and damaging winds. People outside
should move immediately to shelter inside a strong building. Stay
away from windows.
Large hail and damaging winds and continuous cloud to ground
lightning is occurring with this storm. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.
&&
LAT...LON 3711 8189 3704 8182 3696 8178 3695 8182
3690 8187 3698 8206 3712 8200 3713 8199
3712 8197 3713 8196 3713 8192 3714 8190
TIME...MOT...LOC 2007Z 280DEG 11KT 3702 8188
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
DH1 follow-up statement
354
WWUS54 KMRX 072020
SVSMRX
Severe Weather Statement
National Weather Service Morristown TN
420 PM EDT Sat Aug 7 2021
VAC167-072030-
/O.CON.KMRX.SV.W.0099.000000T0000Z-210807T2030Z/
Russell VA-
420 PM EDT Sat Aug 7 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM EDT
FOR NORTHEASTERN RUSSELL COUNTY...
At 420 PM EDT, a severe thunderstorm was located near Claypool Hill,
or near Richlands, moving east at 15 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Dye and Rosedale.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Prepare immediately for large hail and damaging winds. People outside
should move to a shelter, inside a strong building and away from
windows.
Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
&&
LAT...LON 3711 8189 3704 8182 3696 8178 3695 8182
3690 8187 3694 8197 3708 8195 3712 8191
3713 8192 3714 8190
TIME...MOT...LOC 2020Z 280DEG 11KT 3701 8183
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
DHThe office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 7, 11:04 AM EDT | Areal Flood Advisory | MRX | Wise | 116 min |
| Aug 7, 3:01 PM EDT | Special Weather Statement | MRX | City of Bristol | 29 min |
| Aug 7, 3:33 PM EDT | Areal Flood Advisory | MRX | City of Bristol | 3 hr |
| Aug 7, 4:28 PM EDT | Special Weather Statement | MRX | Scott | 47 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.