Alert archive / Ohio / Tornado Warnings in 2021

Tornado Warning 20, NWS Pittsburgh, PA

October 21, 2021Belmont County, Guernsey County, Harrison County, Ohio

NWS Pittsburgh, PA issued this tornado warning at Oct 21, 2021, 6:25 PM EDT for Belmont County, Guernsey County, Harrison County, Ohio. It was in force for 35 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
Oct 21, 2021, 6:25 PM EDT (22:25 UTC)
Expired
Oct 21, 2021, 7:00 PM EDT
In force
35 min
Issued by
NWS Pittsburgh, PA
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Belmont County, OH, Guernsey County, OH, Harrison County, OH

The radar

The Pittsburgh radar (KPBZ), 75 km from the middle of the area, began a volume at 22:29 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, 10.4 hours before the alert went out and 79 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-pSkew-T log-p diagram, Pittsburgh, PA at 12:00Z on 2021-10-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 12:00Z on 2021-10-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 105 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
1175 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
105 m²/s²
0-3 km storm-relative helicity
188 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

892 
WFUS51 KPBZ 212225
TORPBZ
OHC013-059-067-212300-
/O.NEW.KPBZ.TO.W.0020.211021T2225Z-211021T2300Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Pittsburgh PA
625 PM EDT Thu Oct 21 2021

The National Weather Service in Pittsburgh has issued a

* Tornado Warning for...
  Southern Harrison County in east central Ohio...
  Northeastern Guernsey County in east central Ohio...
  Northern Belmont County in east central Ohio...

* Until 700 PM EDT.
    
* At 624 PM EDT, a severe thunderstorm capable of producing a tornado
  was located near Freeport, moving east at 35 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 dangerous storm will be near...
  Cadiz around 655 PM EDT.
  St. Clairsville around 700 PM EDT.

Other locations impacted by this tornadic thunderstorm include
Antrim, Flushing, New Athens, Hopedale, Morristown, Piedmont,
Piedmont Lake, Holloway, Harrisville and Adena.

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.

Please report severe weather by calling 412-262-1988, posting to 
the NWS Pittsburgh Facebook page, or using Twitter @NWSPITTSBURGH. 

&&

LAT...LON 4035 8090 4027 8088 4016 8088 4016 8084
      4005 8081 4007 8135 4019 8139
TIME...MOT...LOC 2224Z 257DEG 29KT 4014 8129 

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

$$
5 follow-up statements
396 
WWUS51 KPBZ 212229
SVSPBZ

Severe Weather Statement
National Weather Service Pittsburgh PA
629 PM EDT Thu Oct 21 2021

OHC013-059-067-212300-
/O.CON.KPBZ.TO.W.0020.000000T0000Z-211021T2300Z/
Harrison OH-Guernsey OH-Belmont OH-
629 PM EDT Thu Oct 21 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM EDT FOR SOUTHERN
HARRISON...NORTHEASTERN GUERNSEY AND NORTHERN BELMONT COUNTIES...
    
At 629 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Freeport, moving east at 35 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 dangerous storm will be near...
  Cadiz around 655 PM EDT.
  St. Clairsville around 700 PM EDT.

Other locations impacted by this tornadic thunderstorm include
Flushing, New Athens, Morristown, Piedmont, Piedmont Lake, Holloway,
Harrisville, Adena and Neffs.

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.

Please report severe weather by calling 412-262-1988, posting to 
the NWS Pittsburgh Facebook page, or using Twitter @NWSPITTSBURGH. 

&&

LAT...LON 4032 8090 4027 8088 4016 8088 4016 8084
      4005 8081 4007 8132 4018 8133
TIME...MOT...LOC 2229Z 257DEG 29KT 4015 8123 

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

$$
297 
WWUS51 KPBZ 212233
SVSPBZ

Severe Weather Statement
National Weather Service Pittsburgh PA
633 PM EDT Thu Oct 21 2021

OHC013-059-067-212300-
/O.CON.KPBZ.TO.W.0020.000000T0000Z-211021T2300Z/
Harrison OH-Guernsey OH-Belmont OH-
633 PM EDT Thu Oct 21 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM EDT FOR
SOUTHEASTERN HARRISON...EAST CENTRAL GUERNSEY AND NORTHERN BELMONT
COUNTIES...
    
At 633 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Freeport, moving east at 35 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 dangerous storm will be near...
  St. Clairsville and Cadiz around 655 PM EDT.

Other locations impacted by this tornadic thunderstorm include
Flushing, New Athens, Morristown, Piedmont, Piedmont Lake, Holloway,
Harrisville, Adena and Neffs.

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.

Please report severe weather by calling 412-262-1988, posting to 
the NWS Pittsburgh Facebook page, or using Twitter @NWSPITTSBURGH. 

&&

LAT...LON 4032 8090 4027 8088 4016 8088 4016 8084
      4005 8081 4007 8125 4020 8127
TIME...MOT...LOC 2233Z 257DEG 29KT 4016 8118 

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

$$
284 
WWUS51 KPBZ 212240
SVSPBZ

Severe Weather Statement
National Weather Service Pittsburgh PA
640 PM EDT Thu Oct 21 2021

OHC059-212249-
/O.CAN.KPBZ.TO.W.0020.000000T0000Z-211021T2300Z/
Guernsey OH-
640 PM EDT Thu Oct 21 2021

...THE TORNADO WARNING FOR EAST CENTRAL GUERNSEY COUNTY IS
CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

LAT...LON 4032 8090 4027 8088 4016 8088 4016 8084
      4005 8081 4009 8119 4022 8119
TIME...MOT...LOC 2239Z 257DEG 29KT 4017 8111 

$$

OHC013-067-212300-
/O.CON.KPBZ.TO.W.0020.000000T0000Z-211021T2300Z/
Harrison OH-Belmont OH-
640 PM EDT Thu Oct 21 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM EDT FOR
SOUTHEASTERN HARRISON AND NORTHERN BELMONT COUNTIES...
    
At 639 PM EDT, a severe thunderstorm capable of producing a tornado
was located 8 miles southwest of Cadiz, moving east at 35 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 dangerous storm will be near...
  St. Clairsville and Cadiz around 655 PM EDT.

Other locations impacted by this tornadic thunderstorm include
Flushing, New Athens, Piedmont Lake, Holloway, Harrisville, Adena and
Neffs.

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.

Please report severe weather by calling 412-262-1988, posting to 
the NWS Pittsburgh Facebook page, or using Twitter @NWSPITTSBURGH. 

&&

LAT...LON 4032 8090 4027 8088 4016 8088 4016 8084
      4005 8081 4009 8119 4022 8119
TIME...MOT...LOC 2239Z 257DEG 29KT 4017 8111 

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

$$
449 
WWUS51 KPBZ 212246
SVSPBZ

Severe Weather Statement
National Weather Service Pittsburgh PA
646 PM EDT Thu Oct 21 2021

OHC013-067-212300-
/O.CON.KPBZ.TO.W.0020.000000T0000Z-211021T2300Z/
Harrison OH-Belmont OH-
646 PM EDT Thu Oct 21 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM EDT FOR
SOUTHEASTERN HARRISON AND NORTHEASTERN BELMONT COUNTIES...
    
At 646 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Cadiz, moving east at 35 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 dangerous storm will be near...
  St. Clairsville and Cadiz around 655 PM EDT.

Other locations impacted by this tornadic thunderstorm include
Flushing, New Athens, Harrisville, Adena and Neffs.

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.

Please report severe weather by calling 412-262-1988, posting to 
the NWS Pittsburgh Facebook page, or using Twitter @NWSPITTSBURGH. 

&&

LAT...LON 4032 8090 4027 8088 4016 8088 4016 8084
      4005 8081 4011 8110 4019 8111
TIME...MOT...LOC 2246Z 257DEG 29KT 4018 8104 

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

$$
003 
WWUS51 KPBZ 212251
SVSPBZ

Severe Weather Statement
National Weather Service Pittsburgh PA
651 PM EDT Thu Oct 21 2021

OHC013-067-212300-
/O.CON.KPBZ.TO.W.0020.000000T0000Z-211021T2300Z/
Harrison OH-Belmont OH-
651 PM EDT Thu Oct 21 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM EDT FOR
SOUTHEASTERN HARRISON AND NORTHEASTERN BELMONT COUNTIES...
    
At 651 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Cadiz, moving east at 35 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 dangerous storm will be near...
  St. Clairsville around 655 PM EDT.

Other locations impacted by this tornadic thunderstorm include New
Athens, Harrisville, Adena and Flushing.

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.

Please report severe weather by calling 412-262-1988, posting to 
the NWS Pittsburgh Facebook page, or using Twitter @NWSPITTSBURGH. 

&&

LAT...LON 4022 8099 4027 8088 4016 8088 4016 8084
      4007 8082 4010 8105 4016 8105
TIME...MOT...LOC 2251Z 257DEG 29KT 4019 8099 

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

$$

The office that day

Everything else NWS Pittsburgh, PA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 21, 1:28 PM EDTSpecial Weather StatementPBZColumbiana32 min
Oct 21, 2:19 PM EDTSpecial Weather StatementPBZCarroll, Columbiana26 min
Oct 21, 2:50 PM EDTSpecial Weather StatementPBZColumbiana25 min
Oct 21, 4:56 PM EDTSpecial Weather StatementPBZCoshocton, Muskingum49 min
Oct 21, 5:16 PM EDTSevere Thunderstorm WarningPBZCoshocton, Tuscarawas44 min
Oct 21, 5:36 PM EDTSpecial Weather StatementPBZCarroll, Columbiana39 min
Oct 21, 5:38 PM EDTSevere Thunderstorm WarningPBZCoshocton, Guernsey, Muskingum, Tuscarawas22 min
Oct 21, 6:18 PM EDTSpecial Weather StatementPBZBelmont, Carroll, Columbiana, Guernsey, Harrison, Jefferson42 min
Oct 21, 6:36 PM EDTSpecial Weather StatementPBZMonroe39 min
Oct 21, 6:57 PM EDTTornado WarningPBZBelmont, Harrison, Jefferson33 min
Oct 21, 7:13 PM EDTTornado WarningPBZBelmont32 min
Oct 21, 7:26 PM EDTTornado WarningPBZJefferson34 min

Nearby

Tornado Warnings in Ohio, 2021Every tornado warning in 2021Tornadoes 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.