Alert archive / Ohio / Tornado Warnings in 2020

Tornado Warning 9, NWS Charleston, WV

August 1, 2020Washington County, Ohio

NWS Charleston, WV issued this tornado warning at Aug 1, 2020, 3:38 PM EDT for Washington County, Ohio. It was in force for 37 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 1, 2020, 3:38 PM EDT (19:38 UTC)
Expired: Aug 1, 2020, 4:15 PM EDT
In force: 37 min
Issued by: NWS Charleston, WV
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

County Washington County, OH

The radar

The Charleston,WV radar (KRLX), 131 km from the middle of the area, began a volume at 19:39 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

Pittsburgh, PA (KPIT), launched 12:00Z, 7.6 hours before the alert went out and 149 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: 23 J/kg
Mixed-layer CIN: -84 J/kg
Mixed-layer LCL: 1110 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 70 m²/s²
0-3 km storm-relative helicity: 67 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

711 
WFUS51 KRLX 011938
TORRLX
OHC167-012015-
/O.NEW.KRLX.TO.W.0009.200801T1938Z-200801T2015Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Charleston WV
338 PM EDT Sat Aug 1 2020

The National Weather Service in Charleston West Virginia has issued a

* Tornado Warning for...
  Central Washington County in southeastern Ohio...

* Until 415 PM EDT.
    
* At 338 PM EDT, a severe thunderstorm capable of producing a tornado
  was located over Marietta, moving east at 20 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This tornadic thunderstorm will remain over mainly rural areas of
  central Washington County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3942 8122 3941 8143 3945 8145 3951 8125
TIME...MOT...LOC 1938Z 262DEG 18KT 3943 8142 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

30

3 follow-up statements

498 
WWUS51 KRLX 011947
SVSRLX

Severe Weather Statement
National Weather Service Charleston WV
347 PM EDT Sat Aug 1 2020

OHC167-012015-
/O.CON.KRLX.TO.W.0009.000000T0000Z-200801T2015Z/
Washington OH-
347 PM EDT Sat Aug 1 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM EDT FOR CENTRAL
WASHINGTON COUNTY...
    
At 346 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Marietta, moving east at 20 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This tornadic thunderstorm will remain over mainly rural areas of
central Washington County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

If a tornado or other severe weather is spotted, report it to the
National Weather Service or your local nearest law enforcement agency
who will send your report. This act may save lives of others in the
path of dangerous weather.

&&

LAT...LON 3941 8140 3946 8143 3951 8125 3942 8122
TIME...MOT...LOC 1946Z 260DEG 18KT 3944 8136 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

HART

761 
WWUS51 KRLX 012000
SVSRLX

Severe Weather Statement
National Weather Service Charleston WV
400 PM EDT Sat Aug 1 2020

OHC167-012015-
/O.CON.KRLX.TO.W.0009.000000T0000Z-200801T2015Z/
Washington OH-
400 PM EDT Sat Aug 1 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM EDT FOR CENTRAL
WASHINGTON COUNTY...
    
At 400 PM EDT, a severe thunderstorm capable of producing a tornado
was located near St. Marys, moving east at 20 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This tornadic thunderstorm will remain over mainly rural areas of
central Washington County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3943 8130 3948 8136 3951 8125 3942 8122
TIME...MOT...LOC 2000Z 252DEG 18KT 3947 8127 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

HART

666 
WWUS51 KRLX 012010
SVSRLX

Severe Weather Statement
National Weather Service Charleston WV
410 PM EDT Sat Aug 1 2020

OHC167-012020-
/O.EXP.KRLX.TO.W.0009.000000T0000Z-200801T2015Z/
Washington OH-
410 PM EDT Sat Aug 1 2020

...THE TORNADO WARNING FOR CENTRAL WASHINGTON COUNTY WILL EXPIRE AT
415 PM EDT...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.  However gusty winds are still possible with
this thunderstorm.

A Severe Thunderstorm Watch remains in effect until 1100 PM EDT for
southeastern Ohio.

LAT...LON 3943 8130 3948 8136 3951 8125 3942 8122
TIME...MOT...LOC 2010Z 262DEG 18KT 3948 8121 

$$

HART

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 1, 3:34 PM EDT	Severe Thunderstorm Warning	RLX	Washington	41 min
Aug 1, 3:58 PM EDT	Severe Thunderstorm Warning	RLX	Gallia, Jackson, Lawrence	47 min
Aug 1, 4:23 PM EDT	Severe Thunderstorm Warning	RLX	Gallia, Jackson, Meigs, Vinton	37 min
Aug 1, 4:37 PM EDT	Special Weather Statement	RLX	Gallia	23 min

Nearby

Tornado Warnings in Ohio, 2020 Every tornado warning in 2020 Tornadoes in 2020

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.