Alert archive / West Virginia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 95, NWS Charleston, WV

July 10, 2021McDowell County, West Virginia

NWS Charleston, WV issued this severe thunderstorm warning at Jul 10, 2021, 5:16 PM EDT for McDowell County, West Virginia. It was in force for 29 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: Jul 10, 2021, 5:16 PM EDT (21:16 UTC)
Expired: Jul 10, 2021, 5:45 PM EDT
In force: 29 min
Issued by: NWS Charleston, WV
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County McDowell County, WV

The radar

The Charleston,WV radar (KRLX), 119 km from the middle of the area, began a volume at 21:18 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, 9.3 hours before the alert went out and 188 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1182 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: -38 m²/s²
0-3 km storm-relative helicity: 6 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.0

Open this sounding in Storm Lab

The text

As transmitted.

408 
WUUS51 KRLX 102116
SVRRLX
WVC047-102145-
/O.NEW.KRLX.SV.W.0095.210710T2116Z-210710T2145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Charleston WV
516 PM EDT Sat Jul 10 2021

The National Weather Service in Charleston West Virginia has issued a

* Severe Thunderstorm Warning for...
  Southeastern McDowell County in southern West Virginia...

* Until 545 PM EDT.

* At 515 PM EDT, a severe thunderstorm was located near War, or 11
  miles north of Cedar Bluff, moving east at 25 mph.

  HAZARD...60 mph wind gusts and penny size hail.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  War and Cucumber. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Please report severe weather to the National Weather Service by
calling toll free, 800 401 9535, when you can do so safely.

You may also report severe weather by posting your report to the
Charleston West Virginia National Weather Service Facebook Page, or
by using the Twitter Hashtag, NWSRLX.

&&

LAT...LON 3721 8169 3724 8172 3724 8175 3726 8174
      3730 8177 3729 8141 3725 8148 3725 8150
      3724 8150 3721 8156 3720 8167
TIME...MOT...LOC 2115Z 274DEG 23KT 3725 8173 

HAIL...0.75IN
WIND...60MPH
 
$$

ABE

1 follow-up statement

148 
WWUS51 KRLX 102139
SVSRLX

Severe Weather Statement
National Weather Service Charleston WV
539 PM EDT Sat Jul 10 2021

WVC047-102149-
/O.EXP.KRLX.SV.W.0095.000000T0000Z-210710T2145Z/
McDowell WV-
539 PM EDT Sat Jul 10 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MCDOWELL COUNTY
WILL EXPIRE AT 545 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 3721 8169 3724 8172 3724 8175 3726 8174
      3730 8177 3729 8141 3725 8148 3725 8150
      3724 8150 3721 8156 3720 8167
TIME...MOT...LOC 2139Z 274DEG 23KT 3724 8156 

$$

ABE

The office that day

Everything else NWS Charleston, WV issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 10, 12:38 PM EDT	Special Weather Statement	RLX	Cabell, Wayne	52 min
Jul 10, 1:17 PM EDT	Special Weather Statement	RLX	Mingo	43 min
Jul 10, 1:23 PM EDT	Severe Thunderstorm Warning	RLX	Logan, McDowell, Mingo, Wyoming	37 min
Jul 10, 1:27 PM EDT	Special Weather Statement	RLX	Boone, Cabell, Kanawha, Lincoln, Mason, Putnam	48 min
Jul 10, 2:51 PM EDT	Special Weather Statement	RLX	Fayette	39 min
Jul 10, 4:30 PM EDT	Severe Thunderstorm Warning	RLX	McDowell	45 min

Nearby

Severe Thunderstorm Warnings in West Virginia, 2021 Every 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.