Alert archive / West Virginia / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 112, NWS Charleston, WV
NWS Charleston, WV issued this severe thunderstorm warning at Aug 15, 2021, 7:24 PM EDT for Boone County, Raleigh County, West Virginia. It was in force for 36 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 15, 2021, 7:24 PM EDT (23:24 UTC)
- Expired
- Aug 15, 2021, 8:00 PM EDT
- In force
- 36 min
- Issued by
- NWS Charleston, WV
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Boone County, WV, Raleigh County, WV
The radar
The Charleston,WV radar (KRLX), 36 km from the middle of the area, began a volume at 23:28 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 12:00Z, 11.4 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
- 86 J/kg
- Mixed-layer CIN
- -101 J/kg
- Mixed-layer LCL
- 845 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 19 m²/s²
- 0-3 km storm-relative helicity
- 40 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
673
WUUS51 KRLX 152324
SVRRLX
WVC005-081-160000-
/O.NEW.KRLX.SV.W.0112.210815T2324Z-210816T0000Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Charleston WV
724 PM EDT Sun Aug 15 2021
The National Weather Service in Charleston West Virginia has issued a
* Severe Thunderstorm Warning for...
Northwestern Raleigh County in southeastern West Virginia...
Central Boone County in central West Virginia...
* Until 800 PM EDT.
* At 724 PM EDT, a severe thunderstorm was located over Wharton, or
12 miles southeast of Madison, moving north at 15 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Madison, Van, Wharton, Bald Knob, Danville, Whitesville, Sylvester,
Seth, Foster, Stickney and Prenter.
This includes Route 119 between mile markers 50 and 52.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3788 8176 3790 8176 3794 8179 3808 8187
3814 8159 3814 8155 3813 8154 3808 8154
3786 8151 3782 8173
TIME...MOT...LOC 2324Z 165DEG 13KT 3792 8164
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
122 follow-up statements
351
WWUS51 KRLX 152337
SVSRLX
Severe Weather Statement
National Weather Service Charleston WV
737 PM EDT Sun Aug 15 2021
WVC005-081-160000-
/O.CON.KRLX.SV.W.0112.000000T0000Z-210816T0000Z/
Raleigh WV-Boone WV-
737 PM EDT Sun Aug 15 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM EDT
FOR NORTHWESTERN RALEIGH AND CENTRAL BOONE COUNTIES...
At 737 PM EDT, a severe thunderstorm was located near Van, or 10
miles southeast of Madison, moving north at 15 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Madison, Van, Wharton, Danville, Whitesville, Sylvester, Seth, Foster
and Prenter.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3788 8176 3790 8176 3794 8179 3808 8187
3814 8159 3814 8155 3813 8154 3808 8154
3792 8152
TIME...MOT...LOC 2337Z 165DEG 13KT 3797 8166
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
12233
WWUS51 KRLX 160000
SVSRLX
Severe Weather Statement
National Weather Service Charleston WV
800 PM EDT Sun Aug 15 2021
WVC005-081-160010-
/O.EXP.KRLX.SV.W.0112.000000T0000Z-210816T0000Z/
Raleigh WV-Boone WV-
800 PM EDT Sun Aug 15 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN RALEIGH AND
CENTRAL BOONE COUNTIES HAS EXPIRED...
The storm which prompted the warning has weakened below severe
limits. Therefore, the warning has been allowed to expire.
LAT...LON 3788 8176 3790 8176 3794 8179 3808 8187
3814 8159 3814 8155 3813 8154 3808 8154
3792 8152
TIME...MOT...LOC 0000Z 165DEG 13KT 3803 8168
$$
12The office that day
Everything else NWS Charleston, WV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 14, 8:54 PM EDT | Flash Flood Warning | RLX | Kanawha | 2 hr |
| Aug 15, 9:21 AM EDT | Special Weather Statement | RLX | Kanawha, Lincoln | 84 min |
| Aug 15, 9:58 AM EDT | Flash Flood Warning | RLX | Boone, Kanawha, Lincoln | 3 hr |
| Aug 15, 5:18 PM EDT | Special Weather Statement | RLX | McDowell | 27 min |
| Aug 15, 7:29 PM EDT | Special Weather Statement | RLX | Clay | 31 min |
| Aug 15, 7:32 PM EDT | Special Weather Statement | RLX | Mingo | 28 min |
| Aug 15, 7:47 PM EDT | Special Weather Statement | RLX | Kanawha | 28 min |
| Aug 15, 7:54 PM EDT | Special Weather Statement | RLX | Upshur | 36 min |
| Aug 15, 7:59 PM EDT | Severe Thunderstorm Warning | RLX | Boone, Kanawha | 31 min |
Nearby
Severe Thunderstorm Warnings in West 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.