Alert archive / Ohio / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 7, NWS Cleveland, OH

June 21, 20214 counties in Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Jun 21, 2021, 3:52 AM EDT for 4 counties in Ohio. It was in force for 68 min. 5 reports 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
Jun 21, 2021, 3:52 AM EDT (07:52 UTC)
Expired
Jun 21, 2021, 5:00 AM EDT
In force
68 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Lucas County, OH, Ottawa County, OH, Sandusky County, OH, Wood County, OH

The radar

The Cleveland radar (KCLE), 105 km from the middle of the area, began a volume at 07:52 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
Jun 21, 4:06 AM EDTTSTM WND GST 474 N Whitehouse, OHASOS STATION KTOL TOLEDO.
Jun 21, 4:13 AM EDTTSTM WND DMG4 Ese Perrysburg, OHTREE DOWN ON WIRES ON FREMONT PIKE. TIME ESTIMATED VIA RADAR.
Jun 21, 4:24 AM EDTMARINE TSTM WIND 431 W Harbor View, OH37 KNOT WIND GUST AT C-MAN STATION THRO1 TOLEDO, OH.
Jun 21, 4:24 AM EDTMARINE TSTM WIND 431 W Harbor View, OHC-MAN STATION THRO1 TOLEDO, OH.
Jun 21, 4:43 AM EDTTSTM WND DMGGibsonburg, OHTREES AND POWER LINES DOWN IN GIBSONBURG.

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 21, 1:00 AM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Detroit, MI (KDTX), launched 00:00Z, 7.9 hours before the alert went out and 127 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, Detroit, MI at 00:00Z on 2021-06-21Temperature 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, Detroit, MI at 00:00Z on 2021-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 52 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
133 J/kg
Mixed-layer CIN
-112 J/kg
Mixed-layer LCL
1501 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
52 m²/s²
0-3 km storm-relative helicity
102 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

874 
WUUS51 KCLE 210752
SVRCLE
OHC095-123-143-173-210900-
/O.NEW.KCLE.SV.W.0007.210621T0752Z-210621T0900Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Cleveland OH
352 AM EDT Mon Jun 21 2021

The National Weather Service in Cleveland has issued a

* Severe Thunderstorm Warning for...
  Ottawa County in northwestern Ohio...
  Northern Sandusky County in northwestern Ohio...
  Northern Wood County in northwestern Ohio...
  Lucas County in northwestern Ohio...

* Until 500 AM EDT.

* At 351 AM EDT, severe thunderstorms were located along a line
  extending from near Tecumseh to 9 miles southwest of Blissfield to
  6 miles west of Napoleon, moving east at 60 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to trees and power lines.

* Locations impacted include...
  Toledo, Bowling Green, Port Clinton, Put-In-Bay, Perrysburg,
  Oregon, Sylvania, Rossford, Waterville, Northwood, Whitehouse, Oak
  Harbor, Gibsonburg, Genoa, Woodville, Holland, Elmore, Maumee,
  Ottawa Hills and Catawba Island.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4172 8387 4172 8341 4175 8332 4168 8320
      4164 8305 4156 8293 4161 8290 4169 8291
      4176 8286 4169 8272 4156 8278 4155 8270
      4150 8271 4149 8280 4144 8285 4140 8285
      4136 8388
TIME...MOT...LOC 0751Z 263DEG 53KT 4205 8400 4172 8395 4140 8424 

HAIL...<.75IN
WIND...60MPH
 
$$

Sefcovic
4 follow-up statements
687 
WWUS51 KCLE 210822
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
422 AM EDT Mon Jun 21 2021

OHC095-123-143-173-210900-
/O.CON.KCLE.SV.W.0007.000000T0000Z-210621T0900Z/
Ottawa OH-Sandusky OH-Wood OH-Lucas OH-
422 AM EDT Mon Jun 21 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 AM EDT
FOR OTTAWA...NORTHERN SANDUSKY...NORTHERN WOOD AND LUCAS COUNTIES...

At 421 AM EDT, severe thunderstorms were located along a line
extending from near Carleton to near Luna Pier to near Waterville,
moving east at 60 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to trees and power lines.

Locations impacted include...
Toledo, Bowling Green, Port Clinton, Put-In-Bay, Perrysburg, Oregon,
Rossford, Waterville, Northwood, Whitehouse, Oak Harbor, Gibsonburg,
Genoa, Woodville, Holland, Elmore, Maumee, Ottawa Hills, Catawba
Island and Walbridge.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4149 8388 4172 8367 4172 8341 4175 8332
      4168 8320 4164 8305 4156 8293 4161 8290
      4169 8291 4176 8286 4169 8272 4156 8278
      4155 8270 4150 8271 4149 8280 4144 8285
      4140 8285 4136 8388
TIME...MOT...LOC 0821Z 263DEG 53KT 4210 8342 4177 8337 4145 8366 

HAIL...<.75IN
WIND...60MPH
 
$$

Sefcovic
361 
WWUS51 KCLE 210835
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
435 AM EDT Mon Jun 21 2021

OHC095-123-143-173-210900-
/O.CON.KCLE.SV.W.0007.000000T0000Z-210621T0900Z/
Ottawa OH-Sandusky OH-Wood OH-Lucas OH-
435 AM EDT Mon Jun 21 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 AM EDT
FOR OTTAWA...NORTHERN SANDUSKY...NORTHERN WOOD AND NORTHEASTERN LUCAS
COUNTIES...

At 435 AM EDT, severe thunderstorms were located along a line
extending from near Oregon to Genoa to near Weston, moving east at 55
mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to trees and power lines.

Locations impacted include...
Bowling Green, Port Clinton, Put-In-Bay, Oregon, Rossford, Northwood,
Oak Harbor, Gibsonburg, Genoa, Woodville, Elmore, Catawba Island,
Walbridge, Pemberville, Millbury, Haskins, Luckey, Marblehead, Bay
View and Lindsey.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4174 8334 4168 8319 4164 8305 4156 8293
      4156 8291 4161 8290 4170 8291 4176 8286
      4169 8272 4156 8278 4155 8270 4152 8270
      4149 8280 4144 8285 4140 8286 4137 8380
TIME...MOT...LOC 0835Z 272DEG 46KT 4171 8337 4153 8339 4131 8376 

HAIL...<.75IN
WIND...60MPH
 
$$

Sefcovic
055 
WWUS51 KCLE 210847
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
447 AM EDT Mon Jun 21 2021

OHC095-173-210857-
/O.CAN.KCLE.SV.W.0007.000000T0000Z-210621T0900Z/
Wood OH-Lucas OH-
447 AM EDT Mon Jun 21 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN WOOD AND NORTHEASTERN
LUCAS COUNTIES IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 600 AM EDT for
northwestern Ohio.

LAT...LON 4151 8341 4162 8332 4164 8305 4159 8300
      4156 8292 4160 8290 4170 8291 4176 8286
      4169 8272 4157 8278 4155 8270 4152 8270
      4149 8280 4144 8285 4140 8286 4138 8342
TIME...MOT...LOC 0847Z 263DEG 53KT 4173 8315 4155 8317 4133 8354 

$$

OHC123-143-210900-
/O.CON.KCLE.SV.W.0007.000000T0000Z-210621T0900Z/
Ottawa OH-Sandusky OH-
447 AM EDT Mon Jun 21 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 AM EDT
FOR OTTAWA AND NORTHERN SANDUSKY COUNTIES...

At 447 AM EDT, severe thunderstorms were located along a line
extending from 15 miles east of Oregon to near Oak Harbor to 6 miles
southeast of Bowling Green, moving east at 60 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to trees and power lines.

Locations impacted include...
Port Clinton, Put-In-Bay, Oak Harbor, Gibsonburg, Genoa, Woodville,
Elmore, Catawba Island, Marblehead, Bay View, Lindsey, Rocky Ridge,
Clay Center and Whites Landing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4151 8341 4162 8332 4164 8305 4159 8300
      4156 8292 4160 8290 4170 8291 4176 8286
      4169 8272 4157 8278 4155 8270 4152 8270
      4149 8280 4144 8285 4140 8286 4138 8342
TIME...MOT...LOC 0847Z 263DEG 53KT 4173 8315 4155 8317 4133 8354 

HAIL...<.75IN
WIND...60MPH
 
$$

Sefcovic
772 
WWUS51 KCLE 210859
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
459 AM EDT Mon Jun 21 2021

OHC123-143-210907-
/O.EXP.KCLE.SV.W.0007.000000T0000Z-210621T0900Z/
Ottawa OH-Sandusky OH-
459 AM EDT Mon Jun 21 2021

...THE SEVERE THUNDERSTORM WARNING FOR OTTAWA AND NORTHERN SANDUSKY
COUNTIES WILL EXPIRE AT 500 AM EDT...
            
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However gusty 
winds are still possible with these thunderstorms and a special 
weather statement has been issued.

A Severe Thunderstorm Watch remains in effect until 600 AM EDT for
northwestern Ohio.

LAT...LON 4151 8341 4162 8332 4164 8305 4159 8300
      4156 8292 4160 8290 4170 8291 4176 8286
      4169 8272 4157 8278 4155 8270 4152 8270
      4149 8280 4144 8285 4140 8286 4138 8342
TIME...MOT...LOC 0857Z 263DEG 53KT 4174 8300 4156 8302 4134 8339 

$$

Sefcovic

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 20, 8:59 PM EDTSpecial Weather StatementCLELucas16 min
Jun 20, 9:18 PM EDTSpecial Marine WarningCLE70 min
Jun 20, 9:34 PM EDTSpecial Weather StatementCLELucas41 min
Jun 20, 10:02 PM EDTSevere Thunderstorm WarningCLELucas, Wood46 min
Jun 20, 10:44 PM EDTSpecial Marine WarningCLE46 min
Jun 20, 10:54 PM EDTSpecial Marine WarningCLE96 min
Jun 20, 11:03 PM EDTSpecial Marine WarningCLE87 min
Jun 20, 11:52 PM EDTSpecial Marine WarningCLE113 min
Jun 21, 12:18 AM EDTSpecial Weather StatementCLELucas42 min
Jun 21, 12:40 AM EDTSpecial Weather StatementCLEOttawa50 min
Jun 21, 1:37 AM EDTSpecial Marine WarningCLE113 min
Jun 21, 2:19 AM EDTSpecial Marine WarningCLE116 min
Jun 21, 4:03 AM EDTSpecial Marine WarningCLE86 min
Jun 21, 4:17 AM EDTSpecial Weather StatementCLEHancock, Wood43 min
Jun 21, 4:57 AM EDTSpecial Weather StatementCLEErie, Hancock, Huron, Sandusky, Seneca, Wyandot63 min
Jun 21, 5:05 AM EDTSpecial Marine WarningCLE115 min
Jun 21, 5:17 AM EDTSevere Thunderstorm WarningCLEErie, Huron, Sandusky, Seneca43 min
Jun 21, 5:38 AM EDTSevere Thunderstorm WarningCLECuyahoga, Lorain67 min
Jun 21, 6:14 AM EDTSpecial Marine WarningCLE2 hr
Jun 21, 6:26 AM EDTSevere Thunderstorm WarningCLEGeauga, Lake49 min
Jun 21, 6:29 AM EDTSpecial Weather StatementCLEAshland, Medina, Portage, Summit, Wayne31 min
Jun 21, 6:43 AM EDTSevere Thunderstorm WarningCLEGeauga, Portage, Summit47 min
Jun 21, 6:51 AM EDTSevere Thunderstorm WarningCLEAshtabula, Trumbull54 min
Jun 21, 7:02 AM EDTSpecial Weather StatementCLEStark43 min
Jun 21, 7:31 AM EDTSpecial Weather StatementCLEMahoning44 min
Jun 21, 9:52 AM EDTSpecial Weather StatementCLEStark23 min
Jun 21, 10:12 AM EDTSpecial Weather StatementCLEMahoning48 min
Jun 21, 11:47 AM EDTSpecial Weather StatementCLECuyahoga43 min
Jun 21, 11:51 AM EDTSpecial Weather StatementCLEAshland, Richland39 min
Jun 21, 12:13 PM EDTSpecial Weather StatementCLEGeauga, Lake47 min
Jun 21, 12:17 PM EDTSevere Thunderstorm WarningCLEAshland, Holmes, Richland, Wayne43 min
Jun 21, 12:43 PM EDTSevere Thunderstorm WarningCLEMahoning, Medina, Portage, Stark, Summit47 min
Jun 21, 12:48 PM EDTSevere Thunderstorm WarningCLEAshtabula, Geauga, Trumbull57 min
Jun 21, 12:52 PM EDTSevere Thunderstorm WarningCLECuyahoga, Geauga, Lake34 min
Jun 21, 1:09 PM EDTSevere Thunderstorm WarningCLEMahoning, Portage, Stark, Trumbull54 min
Jun 21, 1:15 PM EDTSevere Thunderstorm WarningCLEAshtabula60 min
Jun 21, 1:20 PM EDTAreal Flood AdvisoryCLEAshtabula5 hr
Jun 21, 1:31 PM EDTSevere Thunderstorm WarningCLEStark29 min

Nearby

Severe Thunderstorm Warnings in Ohio, 2021Every 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; radar from the NEXRAD Level II archive.