Alert archive / Ohio / Tornado Warnings in 2021

Tornado Warning 3, NWS Cleveland, OH

July 1, 2021Marion County, Ohio

NWS Cleveland, OH issued this tornado warning at Jul 1, 2021, 6:58 PM EDT for Marion County, Ohio. It was in force for 21 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
Jul 1, 2021, 6:58 PM EDT (22:58 UTC)
Expired
Jul 1, 2021, 7:19 PM EDT
In force
21 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.5 in

County Marion County, OH

The radar

The Cincinnati radar (KILN), 138 km from the middle of the area, began a volume at 23:00 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.

What was reported inside it

TimeReportWhereRemark
Jul 1, 7:00 PM EDTHAIL 0.7Morral, OH

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

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 11.0 hours before the alert went out and 137 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, Cncnati-Daytn, OH at 12:00Z on 2021-07-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 133 joules per kilogram.LCLLFCEL10008507005003002001001 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, Cncnati-Daytn, OH at 12:00Z on 2021-07-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -47 square meters per square second.193958Sfc1 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
133 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
627 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
-47 m²/s²
0-3 km storm-relative helicity
-20 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.2

Open this sounding in Storm Lab

The text

As transmitted.

262 
WFUS51 KCLE 012258
TORCLE
OHC101-012345-
/O.NEW.KCLE.TO.W.0003.210701T2258Z-210701T2345Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Cleveland OH
658 PM EDT Thu Jul 1 2021

The National Weather Service in Cleveland has issued a

* Tornado Warning for...
  Marion County in north central Ohio...

* Until 745 PM EDT.
    
* At 658 PM EDT, a severe thunderstorm capable of producing a tornado
  was located near Morral, or 8 miles south of Upper Sandusky, moving
  southeast at 25 mph.

  HAZARD...Tornado and ping pong ball size hail.

  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.

* Locations impacted include...
  Marion, Morral, New Bloomington and Green Camp. 

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 4044 8324 4046 8325 4050 8325 4051 8329
      4069 8337 4069 8331 4070 8330 4070 8308
      4059 8295 4056 8295
TIME...MOT...LOC 2258Z 331DEG 22KT 4071 8327 

TORNADO...RADAR INDICATED
HAIL...1.50IN

$$

Campbell
2 follow-up statements
628 
WWUS51 KCLE 012315
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
715 PM EDT Thu Jul 1 2021

OHC101-012345-
/O.CON.KCLE.TO.W.0003.000000T0000Z-210701T2345Z/
Marion OH-
715 PM EDT Thu Jul 1 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM EDT FOR CENTRAL
MARION COUNTY...
    
At 714 PM EDT, a severe thunderstorm capable of producing a tornado
was located NW of Marion, moving southeast at 25 mph.

HAZARD...Tornado and ping pong ball size hail.

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.

Locations impacted include...
Marion and Green Camp. 

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 4044 8324 4046 8325 4050 8325 4051 8329
      4067 8330 4068 8328 4068 8319 4062 8308
      4056 8295
TIME...MOT...LOC 2314Z 331DEG 22KT 4062 8321 

TORNADO...RADAR INDICATED
HAIL...1.50IN

$$

Clark
648 
WWUS51 KCLE 012319
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
719 PM EDT Thu Jul 1 2021

OHC101-012329-
/O.CAN.KCLE.TO.W.0003.000000T0000Z-210701T2345Z/
Marion OH-
719 PM EDT Thu Jul 1 2021

...THE TORNADO WARNING FOR CENTRAL MARION COUNTY IS CANCELLED...
    
The tornado threat has diminished and the Tornado Warning has been
cancelled. However, large hail and damaging winds remain likely and a
Severe Thunderstorm Warning remains in effect for the area.

LAT...LON 4044 8324 4046 8325 4050 8325 4051 8329
      4067 8330 4068 8328 4068 8319 4062 8308
      4056 8295
TIME...MOT...LOC 2317Z 331DEG 22KT 4059 8319 

$$

Campbell

The office that day

Everything else NWS Cleveland, OH issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 30, 8:05 PM EDTAreal Flood AdvisoryCLEStark4 hr
Jul 1, 3:44 AM EDTBeach Hazards StatementCLEAshtabula, Cuyahoga, Erie, Lake, Lorain45 hr
Jul 1, 3:44 AM EDTSmall Craft AdvisoryCLE45 hr
Jul 1, 6:13 AM EDTAreal Flood AdvisoryCLEAshland, Medina3 hr
Jul 1, 4:25 PM EDTSpecial Weather StatementCLESandusky35 min
Jul 1, 6:31 PM EDTSevere Thunderstorm WarningCLEWyandot44 min
Jul 1, 6:37 PM EDTTornado WarningCLEWyandot38 min
Jul 1, 7:18 PM EDTSevere Thunderstorm WarningCLEMarion19 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.