Alert archive / Ohio / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 40, NWS Cleveland, OH

July 7, 2021Sandusky County, Seneca County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Jul 7, 2021, 3:15 PM EDT for Sandusky County, Seneca County, Ohio. It was in force for 19 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 7, 2021, 3:15 PM EDT (19:15 UTC)
Expired: Jul 7, 2021, 3:34 PM EDT
In force: 19 min
Issued by: NWS Cleveland, OH
Area: Storm-based polygon
Hail: 1.0 in
Wind: 70.0 mph

Counties Sandusky County, OH, Seneca County, OH

The radar

The Cleveland radar (KCLE), 112 km from the middle of the area, began a volume at 19:18 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

Time	Report	Where	Remark
Jul 7, 3:18 PM EDT	TSTM WND DMG	1 W Burgoon, OH	CORRECTS PREVIOUS TSTM WND DMG REPORT FROM 1 W BURGOON. POWERLINES DOWN ON COUNTY ROAD 13.

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.

Issued	Product	Office	Lasted
Jul 7, 1:31 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 7.3 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: 1092 J/kg
Mixed-layer CIN: -19 J/kg
Mixed-layer LCL: 779 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 54 m²/s²
0-3 km storm-relative helicity: 123 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 1.2

Open this sounding in Storm Lab

The text

As transmitted.

793 
WUUS51 KCLE 071915
SVRCLE
OHC143-147-072000-
/O.NEW.KCLE.SV.W.0040.210707T1915Z-210707T2000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Cleveland OH
315 PM EDT Wed Jul 7 2021

The National Weather Service in Cleveland has issued a

* Severe Thunderstorm Warning for...
  Northwestern Seneca County in northwestern Ohio...
  Sandusky County in northwestern Ohio...

* Until 400 PM EDT.

* At 315 PM EDT, a severe thunderstorm was located 7 miles northeast
  of Fostoria, moving northeast at 20 mph.

  HAZARD...70 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Minor damage to vehicles is possible. Expect considerable 
           tree damage. Wind damage is also likely to mobile homes, 
           roofs, and outbuildings.

* Locations impacted include...
  Fremont, Clyde, Gibsonburg, Woodville, Elmore, Green Springs,
  Ballville, Bettsville, Risingsun, Lindsey, Helena, Burgoon, Kansas,
  Stony Prairie and Vickery.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4145 8342 4146 8341 4146 8315 4145 8304
      4146 8304 4146 8301 4136 8284 4114 8323
      4124 8342
TIME...MOT...LOC 1915Z 222DEG 17KT 4124 8331 

HAIL...1.00IN
WIND...70MPH
 
$$

Campbell

2 follow-up statements

541 
WWUS51 KCLE 071925
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
325 PM EDT Wed Jul 7 2021

OHC143-147-072000-
/O.CON.KCLE.SV.W.0040.000000T0000Z-210707T2000Z/
Seneca OH-Sandusky OH-
325 PM EDT Wed Jul 7 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM EDT
FOR NORTHWESTERN SENECA AND SANDUSKY COUNTIES...

At 325 PM EDT, a severe thunderstorm was located 7 miles south of
Gibsonburg, or 8 miles southwest of Fremont, moving northeast at 20
mph.

HAZARD...70 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Minor damage to vehicles is possible. Expect considerable 
         tree damage. Wind damage is also likely to mobile homes, 
         roofs, and outbuildings.

Locations impacted include...
Fremont, Clyde, Gibsonburg, Woodville, Elmore, Green Springs,
Ballville, Bettsville, Risingsun, Lindsey, Helena, Burgoon, Kansas,
Stony Prairie and Vickery.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4145 8342 4146 8341 4146 8315 4145 8304
      4146 8304 4146 8301 4136 8284 4118 8325
      4124 8342
TIME...MOT...LOC 1925Z 222DEG 17KT 4128 8327 

HAIL...1.00IN
WIND...70MPH
 
$$

Campbell

741 
WWUS51 KCLE 071934
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
334 PM EDT Wed Jul 7 2021

OHC143-147-071944-
/O.CAN.KCLE.SV.W.0040.000000T0000Z-210707T2000Z/
Seneca OH-Sandusky OH-
334 PM EDT Wed Jul 7 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN SENECA AND
SANDUSKY COUNTIES IS CANCELLED...
                
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 cancelled.  However gusty winds and
heavy rain are still possible with this thunderstorm.

A Severe Thunderstorm Watch remains in effect until 900 PM EDT for
north central and northwestern Ohio.

LAT...LON 4145 8342 4146 8341 4146 8315 4145 8304
      4146 8304 4146 8301 4136 8284 4118 8325
      4124 8342
TIME...MOT...LOC 1931Z 222DEG 17KT 4131 8323 

$$

Campbell

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 7, 12:08 PM EDT	Special Weather Statement	CLE	Ashland	52 min
Jul 7, 1:00 PM EDT	Special Weather Statement	CLE	Wayne	45 min
Jul 7, 1:06 PM EDT	Special Weather Statement	CLE	Knox	39 min
Jul 7, 1:37 PM EDT	Special Weather Statement	CLE	Holmes, Wayne	53 min
Jul 7, 1:42 PM EDT	Special Weather Statement	CLE	Ashland	48 min
Jul 7, 1:45 PM EDT	Severe Thunderstorm Warning	CLE	Holmes, Stark, Summit, Wayne	41 min
Jul 7, 2:01 PM EDT	Special Weather Statement	CLE	Huron	44 min
Jul 7, 2:36 PM EDT	Severe Thunderstorm Warning	CLE	Ashland, Lorain, Medina, Wayne	54 min
Jul 7, 2:37 PM EDT	Severe Thunderstorm Warning	CLE	Hancock, Wood	38 min
Jul 7, 2:39 PM EDT	Special Weather Statement	CLE	Hancock, Wyandot	36 min
Jul 7, 2:46 PM EDT	Severe Thunderstorm Warning	CLE	Hancock, Seneca, Wyandot	23 min
Jul 7, 3:04 PM EDT	Special Weather Statement	CLE	Wood	26 min
Jul 7, 3:07 PM EDT	Special Marine Warning	CLE		71 min
Jul 7, 3:22 PM EDT	Special Weather Statement	CLE	Medina	38 min
Jul 7, 3:33 PM EDT	Special Weather Statement	CLE	Lucas	27 min
Jul 7, 3:44 PM EDT	Severe Thunderstorm Warning	CLE	Cuyahoga, Lorain	61 min
Jul 7, 3:46 PM EDT	Special Weather Statement	CLE	Ashland	44 min
Jul 7, 3:49 PM EDT	Special Marine Warning	CLE		116 min
Jul 7, 3:49 PM EDT	Special Weather Statement	CLE	Crawford, Marion, Wyandot	41 min
Jul 7, 3:51 PM EDT	Special Marine Warning	CLE		100 min
Jul 7, 4:16 PM EDT	Special Weather Statement	CLE	Ashtabula, Geauga, Lake	44 min
Jul 7, 4:29 PM EDT	Special Weather Statement	CLE	Mahoning	31 min
Jul 7, 4:34 PM EDT	Special Weather Statement	CLE	Ashland, Richland	56 min
Jul 7, 4:40 PM EDT	Severe Thunderstorm Warning	CLE	Crawford, Huron, Richland	37 min
Jul 7, 4:59 PM EDT	Severe Thunderstorm Warning	CLE	Ashland, Huron, Lorain, Richland	46 min
Jul 7, 5:12 PM EDT	Special Weather Statement	CLE	Ashtabula, Lake	48 min
Jul 7, 5:34 PM EDT	Special Marine Warning	CLE		100 min
Jul 7, 5:36 PM EDT	Special Marine Warning	CLE		114 min
Jul 7, 5:58 PM EDT	Special Weather Statement	CLE	Lorain	47 min
Jul 7, 6:22 PM EDT	Severe Thunderstorm Warning	CLE	Cuyahoga, Medina, Summit	31 min
Jul 7, 6:28 PM EDT	Special Weather Statement	CLE	Stark, Wayne	47 min
Jul 7, 6:45 PM EDT	Special Weather Statement	CLE	Lucas	45 min
Jul 7, 7:12 PM EDT	Special Weather Statement	CLE	Stark	48 min
Jul 7, 7:24 PM EDT	Special Marine Warning	CLE		71 min
Jul 7, 7:38 PM EDT	Special Weather Statement	CLE	Portage, Trumbull	52 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; radar from the NEXRAD Level II archive.