Alert archive / Ohio / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 114, NWS Charleston, WV

August 29, 2021Athens County, Washington County, Ohio

NWS Charleston, WV issued this severe thunderstorm warning at Aug 29, 2021, 1:55 PM EDT for Athens County, Washington County, Ohio. It was in force for 35 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 29, 2021, 1:55 PM EDT (17:55 UTC)
Expired: Aug 29, 2021, 2:30 PM EDT
In force: 35 min
Issued by: NWS Charleston, WV
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Athens County, OH, Washington County, OH

What was reported inside it

Time	Report	Where	Remark
Aug 29, 2:25 PM EDT	TSTM WND DMG	Mcavan, OH	NUMEROUS TREES REPORTED DOWN ACROSS WARREN TOWNSHIP IN WASHINGTON COUNTY.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 5.9 hours before the alert went out and 175 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: 985 J/kg
Mixed-layer CIN: -16 J/kg
Mixed-layer LCL: 957 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: 42 m²/s²
0-3 km storm-relative helicity: 68 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

278 
WUUS51 KRLX 291755
SVRRLX
OHC009-167-291830-
/O.NEW.KRLX.SV.W.0114.210829T1755Z-210829T1830Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Charleston WV
155 PM EDT Sun Aug 29 2021

The National Weather Service in Charleston West Virginia has issued a

* Severe Thunderstorm Warning for...
  Western Washington County in southeastern Ohio...
  Southeastern Athens County in southeastern Ohio...

* Until 230 PM EDT.

* At 155 PM EDT, a severe thunderstorm was located 8 miles northwest
  of Coolville, moving northeast at 10 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...
  Beverly, Boaz, Bartlett and Fleming. 

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 3937 8150 3935 8155 3931 8157 3924 8187
      3937 8197 3949 8176 3948 8175 3948 8171
      3951 8170 3957 8160
TIME...MOT...LOC 1755Z 245DEG 10KT 3933 8188 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

11

1 follow-up statement

514 
WWUS51 KRLX 291831
SVSRLX

Severe Weather Statement
National Weather Service Charleston WV
231 PM EDT Sun Aug 29 2021

OHC009-167-291840-
/O.EXP.KRLX.SV.W.0114.000000T0000Z-210829T1830Z/
Washington OH-Athens OH-
231 PM EDT Sun Aug 29 2021

...THE SEVERE THUNDERSTORM WARNING FOR WESTERN WASHINGTON AND
SOUTHEASTERN ATHENS COUNTIES HAS EXPIRED...
                
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 has been allowed to expire.

LAT...LON 3937 8150 3935 8155 3931 8157 3924 8187
      3937 8197 3949 8176 3948 8175 3948 8171
      3951 8170 3957 8160
TIME...MOT...LOC 1830Z 245DEG 10KT 3936 8179 

$$

11

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 29, 11:59 AM EDT	Special Weather Statement	RLX	Perry	46 min
Aug 29, 12:22 PM EDT	Special Weather Statement	RLX	Vinton	38 min
Aug 29, 1:47 PM EDT	Flash Flood Warning	RLX	Athens, Morgan	2 hr
Aug 29, 2:21 PM EDT	Severe Thunderstorm Warning	RLX	Washington	39 min
Aug 29, 2:54 PM EDT	Special Weather Statement	RLX	Scioto	51 min
Aug 29, 3:13 PM EDT	Special Weather Statement	RLX	Gallia	47 min
Aug 29, 3:14 PM EDT	Special Weather Statement	RLX	Gallia	46 min
Aug 29, 3:25 PM EDT	Special Weather Statement	RLX	Vinton	50 min
Aug 29, 3:49 PM EDT	Flash Flood Warning	RLX	Gallia, Meigs, Vinton	3 hr
Aug 29, 4:19 PM EDT	Special Weather Statement	RLX	Meigs	41 min
Aug 29, 4:51 PM EDT	Special Weather Statement	RLX	Perry	54 min

Nearby

Severe Thunderstorm Warnings in Ohio, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.