Alert archive / Ohio / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 21, NWS Cleveland, OH

April 7, 20205 counties in Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Apr 7, 2020, 10:17 PM EDT for 5 counties in Ohio. It was in force for 43 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: Apr 7, 2020, 10:17 PM EDT (02:17 UTC)
Expired: Apr 7, 2020, 11:00 PM EDT
In force: 43 min
Issued by: NWS Cleveland, OH
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

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

The radar

The Cleveland radar (KCLE), 102 km from the middle of the area, began a volume at 02:20 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
Apr 7, 10:48 PM EDT	MARINE TSTM WIND 44	1 Nnw Marblehead, OH	44 MPH AT MARBLEHEAD MRHO1.

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
Apr 7, 9:07 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Detroit, MI (KDTX), launched 00:00Z, 2.3 hours before the alert went out and 123 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: 847 J/kg
Mixed-layer CIN: -44 J/kg
Mixed-layer LCL: 982 m above ground
0-6 km bulk shear: 65 kt
0-1 km storm-relative helicity: 260 m²/s²
0-3 km storm-relative helicity: 345 m²/s²
Significant tornado parameter: 1.6
Supercell composite: 6.7

Open this sounding in Storm Lab

The text

As transmitted.

438 
WUUS51 KCLE 080217
SVRCLE
OHC043-095-123-143-173-080300-
/O.NEW.KCLE.SV.W.0021.200408T0217Z-200408T0300Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Cleveland OH
1017 PM EDT Tue Apr 7 2020

The National Weather Service in Cleveland has issued a

* Severe Thunderstorm Warning for...
  Ottawa County in northwestern Ohio...
  Erie County in north central Ohio...
  Central Sandusky County in northwestern Ohio...
  Eastern Wood County in northwestern Ohio...
  Northern Lucas County in northwestern Ohio...

* Until 1100 PM EDT.

* At 1016 PM EDT, severe thunderstorms were located along a line
  extending from 15 miles southeast of Grosse Ile to near Ottawa
  Lake, moving south at 45 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Minor damage to vehicles is possible. Expect damage to 
           trees and power lines.

* Locations impacted include...
  Toledo, Bowling Green, Sandusky, Fremont, Port Clinton, Kelleys
  Island, Put-In-Bay, Perrysburg, Oregon, Sylvania, Rossford,
  Waterville, Northwood, Oak Harbor, Gibsonburg, Genoa, Woodville,
  Holland, Elmore and Castalia.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Large hail and damaging winds and continuous cloud to ground
lightning are occurring with these storms. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.

&&

LAT...LON 4172 8341 4175 8332 4166 8315 4169 8313
      4175 8317 4178 8309 4173 8304 4166 8314
      4164 8305 4156 8293 4169 8291 4176 8286
      4171 8274 4166 8272 4167 8266 4164 8262
      4153 8265 4145 8256 4126 8364 4172 8378
TIME...MOT...LOC 0216Z 348DEG 41KT 4194 8297 4182 8370 

HAIL...1.00IN
WIND...60MPH
 
$$

Jaszka

2 follow-up statements

492 
WWUS51 KCLE 080241
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
1041 PM EDT Tue Apr 7 2020

OHC043-095-123-143-173-080300-
/O.CON.KCLE.SV.W.0021.000000T0000Z-200408T0300Z/
Ottawa OH-Erie OH-Sandusky OH-Wood OH-Lucas OH-
1041 PM EDT Tue Apr 7 2020

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 PM EDT
FOR OTTAWA...ERIE...CENTRAL SANDUSKY...NORTHEASTERN WOOD AND
NORTHEASTERN LUCAS COUNTIES...

At 1040 PM EDT, severe thunderstorms were located along a line
extending from near Put-In-Bay to 10 miles north of Oak Harbor to
near Toledo, moving south at 30 mph.

HAZARD...60 mph wind gusts and penny size hail.

SOURCE...Radar indicated.

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

Locations impacted include...
Toledo, Sandusky, Fremont, Port Clinton, Kelleys Island, Put-In-Bay,
Perrysburg, Oregon, Rossford, Northwood, Oak Harbor, Gibsonburg,
Genoa, Woodville, Elmore, Castalia, Catawba Island, Walbridge,
Pemberville and Millbury.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Continuous cloud to ground lightning is occurring with these storms.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

&&

LAT...LON 4171 8325 4165 8312 4169 8311 4172 8315
      4174 8305 4166 8311 4156 8293 4161 8290
      4168 8291 4176 8286 4171 8274 4166 8272
      4167 8266 4164 8262 4153 8265 4145 8256
      4128 8356 4172 8362
TIME...MOT...LOC 0240Z 003DEG 21KT 4172 8284 4166 8321 4168 8352 

HAIL...0.75IN
WIND...60MPH
 
$$

Jaszka

850 
WWUS51 KCLE 080257
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
1057 PM EDT Tue Apr 7 2020

OHC043-095-123-143-173-080307-
/O.EXP.KCLE.SV.W.0021.000000T0000Z-200408T0300Z/
Ottawa OH-Erie OH-Sandusky OH-Wood OH-Lucas OH-
1057 PM EDT Tue Apr 7 2020

...THE SEVERE THUNDERSTORM WARNING FOR OTTAWA...ERIE...CENTRAL
SANDUSKY...NORTHEASTERN WOOD AND NORTHEASTERN LUCAS COUNTIES WILL
EXPIRE AT 1100 PM 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 and heavy rain are still possible with these thunderstorms.

A Severe Thunderstorm Watch remains in effect until 300 AM EDT for
north central and northwestern Ohio.

LAT...LON 4171 8325 4165 8312 4169 8311 4172 8315
      4174 8305 4166 8311 4156 8293 4161 8290
      4168 8291 4176 8286 4171 8274 4166 8272
      4167 8266 4164 8262 4153 8265 4145 8256
      4128 8356 4172 8362
TIME...MOT...LOC 0257Z 348DEG 41KT 4155 8279 4149 8316 4151 8347 

$$

Jaszka

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 7, 9:46 PM EDT	Special Marine Warning	CLE		89 min
Apr 7, 10:10 PM EDT	Special Marine Warning	CLE		95 min
Apr 7, 10:44 PM EDT	Special Marine Warning	CLE		61 min
Apr 7, 10:49 PM EDT	Special Weather Statement	CLE	Cuyahoga	41 min
Apr 7, 10:55 PM EDT	Special Marine Warning	CLE		50 min
Apr 7, 10:57 PM EDT	Severe Thunderstorm Warning	CLE	Cuyahoga, Geauga, Portage, Summit	63 min
Apr 7, 11:01 PM EDT	Severe Thunderstorm Warning	CLE	Ashland, Cuyahoga, Erie, Huron, Lorain, Medina and 2 more	44 min
Apr 7, 11:12 PM EDT	Severe Thunderstorm Warning	CLE	Ashtabula, Cuyahoga, Geauga, Lake, Portage, Summit and 1 more	63 min
Apr 7, 11:13 PM EDT	Severe Thunderstorm Warning	CLE	Lucas, Ottawa, Sandusky, Wood	43 min
Apr 7, 11:27 PM EDT	Severe Thunderstorm Warning	CLE	Mahoning, Trumbull	33 min
Apr 7, 11:29 PM EDT	Tornado Warning	CLE	Lorain, Medina	31 min
Apr 7, 11:38 PM EDT	Severe Thunderstorm Warning	CLE	Ashland, Cuyahoga, Geauga, Holmes, Huron, Lorain and 6 more	67 min
Apr 7, 11:45 PM EDT	Tornado Warning	CLE	Medina, Stark, Summit, Wayne	45 min
Apr 8, 12:11 AM EDT	Severe Thunderstorm Warning	CLE	Mahoning, Portage, Stark, Trumbull	31 min
Apr 8, 12:17 AM EDT	Special Weather Statement	CLE	Ashland, Crawford, Richland, Seneca	58 min
Apr 8, 12:41 AM EDT	Areal Flood Advisory	CLE	Lucas	4 hr
Apr 8, 12:45 AM EDT	Areal Flood Advisory	CLE	Ashland, Crawford, Holmes, Huron, Morrow, Richland and 3 more	4 hr
Apr 8, 1:06 AM EDT	Special Weather Statement	CLE	Knox, Marion, Morrow, Wyandot	54 min
Apr 8, 1:15 AM EDT	Special Weather Statement	CLE	Holmes	45 min
Apr 8, 1:49 AM EDT	Special Weather Statement	CLE	Holmes, Knox, Morrow	56 min
Apr 8, 1:58 AM EDT	Special Marine Warning	CLE		62 min
Apr 8, 12:08 PM EDT	Special Weather Statement	CLE	Ashtabula, Cuyahoga, Lake, Lorain	112 min
Apr 8, 3:52 PM EDT	Small Craft Advisory	CLE		60 hr

Nearby

Severe Thunderstorm Warnings in Ohio, 2020 Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.