Alert archive / Ohio / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 101, NWS Cleveland, OH

July 10, 2020Knox County, Morrow County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Jul 10, 2020, 3:32 PM EDT for Knox County, Morrow County, Ohio. It was in force for 58 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 10, 2020, 3:32 PM EDT (19:32 UTC)
Expired: Jul 10, 2020, 4:30 PM EDT
In force: 58 min
Issued by: NWS Cleveland, OH
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Knox County, OH, Morrow County, OH

The radar

The Cleveland radar (KCLE), 121 km from the middle of the area, began a volume at 19:32 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 10, 4:14 PM EDT	TSTM WND DMG	Mount Vernon, OH	BRANCH AND WIRES DOWN. TIME ESTIMATED VIA RADAR.

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, 7.5 hours before the alert went out and 156 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: 685 J/kg
Mixed-layer CIN: -27 J/kg
Mixed-layer LCL: 1116 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 71 m²/s²
0-3 km storm-relative helicity: 73 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

966 
WUUS51 KCLE 101932
SVRCLE
OHC083-117-102030-
/O.NEW.KCLE.SV.W.0101.200710T1932Z-200710T2030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Cleveland OH
332 PM EDT Fri Jul 10 2020

The National Weather Service in Cleveland has issued a

* Severe Thunderstorm Warning for...
  Morrow County in north central Ohio...
  Knox County in north central Ohio...

* Until 430 PM EDT.

* At 332 PM EDT, a severe thunderstorm was located near Sunbury, or
  11 miles east of Delaware, moving northeast at 35 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Mount Vernon, Mount Gilead, Fredericktown, Gambier, Utica,
  Cardington, Centerburg, Danville, Chesterville, Sparta, Waterford,
  Marengo, Fulton, Martinsburg, Gann, North Liberty, Bladensburg and
  Shauck.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4024 8248 4027 8248 4027 8274 4035 8275
      4036 8293 4042 8293 4071 8270 4071 8262
      4067 8262 4067 8265 4064 8264 4063 8262
      4055 8262 4055 8236 4057 8218 4024 8220
TIME...MOT...LOC 1932Z 227DEG 31KT 4031 8286 

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

Kahn

2 follow-up statements

627 
WWUS51 KCLE 101959
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
359 PM EDT Fri Jul 10 2020

OHC117-102009-
/O.CAN.KCLE.SV.W.0101.000000T0000Z-200710T2030Z/
Morrow OH-
359 PM EDT Fri Jul 10 2020

...THE SEVERE THUNDERSTORM WARNING FOR MORROW COUNTY IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 4024 8248 4027 8248 4028 8274 4035 8275
      4034 8265 4036 8264 4055 8264 4055 8236
      4057 8218 4024 8220
TIME...MOT...LOC 1959Z 227DEG 31KT 4047 8264 

$$

OHC083-102030-
/O.CON.KCLE.SV.W.0101.000000T0000Z-200710T2030Z/
Knox OH-
359 PM EDT Fri Jul 10 2020

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM EDT
FOR KNOX COUNTY...

At 359 PM EDT, a severe thunderstorm was located over Chesterville,
or 10 miles northwest of Mount Vernon, moving northeast at 35 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Mount Vernon, Fredericktown, Gambier, Utica, Centerburg, Danville,
Waterford, Martinsburg, Gann, North Liberty and Bladensburg.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4024 8248 4027 8248 4028 8274 4035 8275
      4034 8265 4036 8264 4055 8264 4055 8236
      4057 8218 4024 8220
TIME...MOT...LOC 1959Z 227DEG 31KT 4047 8264 

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

Kahn

731 
WWUS51 KCLE 102024
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
424 PM EDT Fri Jul 10 2020

OHC083-102033-
/O.EXP.KCLE.SV.W.0101.000000T0000Z-200710T2030Z/
Knox OH-
424 PM EDT Fri Jul 10 2020

...THE SEVERE THUNDERSTORM WARNING FOR KNOX COUNTY WILL EXPIRE AT 430
PM EDT...
                
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 will be allowed to expire.  However gusty
winds and heavy rain are still possible with this thunderstorm.

LAT...LON 4024 8248 4027 8248 4028 8274 4035 8275
      4034 8265 4036 8264 4055 8264 4055 8236
      4057 8218 4024 8220
TIME...MOT...LOC 2023Z 227DEG 31KT 4060 8245 

$$

Kahn

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 9, 8:14 PM EDT	Special Weather Statement	CLE	Geauga	46 min
Jul 9, 8:39 PM EDT	Special Weather Statement	CLE	Erie, Huron	36 min
Jul 10, 11:54 AM EDT	Special Weather Statement	CLE	Cuyahoga	36 min
Jul 10, 12:29 PM EDT	Severe Thunderstorm Warning	CLE	Hancock	61 min
Jul 10, 12:31 PM EDT	Special Weather Statement	CLE	Lucas, Wood	29 min
Jul 10, 12:39 PM EDT	Severe Thunderstorm Warning	CLE	Lucas, Wood	66 min
Jul 10, 12:43 PM EDT	Special Weather Statement	CLE	Marion, Wyandot	32 min
Jul 10, 12:46 PM EDT	Special Weather Statement	CLE	Knox, Morrow	44 min
Jul 10, 12:50 PM EDT	Severe Thunderstorm Warning	CLE	Marion	40 min
Jul 10, 1:02 PM EDT	Special Weather Statement	CLE	Mahoning	28 min
Jul 10, 1:05 PM EDT	Severe Thunderstorm Warning	CLE	Knox, Morrow	55 min
Jul 10, 1:15 PM EDT	Special Marine Warning	CLE		90 min
Jul 10, 1:19 PM EDT	Special Weather Statement	CLE	Seneca	41 min
Jul 10, 1:26 PM EDT	Special Weather Statement	CLE	Trumbull	64 min
Jul 10, 1:27 PM EDT	Severe Thunderstorm Warning	CLE	Crawford, Hancock, Seneca, Wyandot	63 min
Jul 10, 1:31 PM EDT	Severe Thunderstorm Warning	CLE	Trumbull	44 min
Jul 10, 1:32 PM EDT	Special Weather Statement	CLE	Mahoning	58 min
Jul 10, 1:35 PM EDT	Special Marine Warning	CLE		115 min
Jul 10, 1:43 PM EDT	Special Weather Statement	CLE	Lucas, Ottawa, Sandusky, Seneca	62 min
Jul 10, 1:51 PM EDT	Areal Flood Advisory	CLE	Trumbull	3 hr
Jul 10, 1:53 PM EDT	Severe Thunderstorm Warning	CLE	Ottawa, Sandusky	52 min
Jul 10, 2:02 PM EDT	Severe Thunderstorm Warning	CLE	Erie, Huron, Seneca	58 min
Jul 10, 2:06 PM EDT	Special Weather Statement	CLE	Ashtabula, Lake	54 min
Jul 10, 2:18 PM EDT	Flash Flood Warning	CLE	Trumbull	2 hr
Jul 10, 2:26 PM EDT	Areal Flood Advisory	CLE	Ottawa, Sandusky	109 min
Jul 10, 2:32 PM EDT	Special Weather Statement	CLE	Crawford, Marion, Wyandot	28 min
Jul 10, 2:45 PM EDT	Severe Thunderstorm Warning	CLE	Lorain	40 min
Jul 10, 2:50 PM EDT	Special Marine Warning	CLE		98 min
Jul 10, 2:59 PM EDT	Severe Thunderstorm Warning	CLE	Crawford, Marion, Morrow	46 min
Jul 10, 3:09 PM EDT	Special Weather Statement	CLE	Huron	66 min
Jul 10, 3:14 PM EDT	Severe Thunderstorm Warning	CLE	Huron, Seneca	34 min
Jul 10, 3:33 PM EDT	Special Marine Warning	CLE		87 min
Jul 10, 3:40 PM EDT	Small Craft Advisory	CLE		30 hr
Jul 10, 4:28 PM EDT	Special Weather Statement	CLE	Stark	47 min
Jul 10, 4:47 PM EDT	Special Weather Statement	CLE	Cuyahoga	28 min
Jul 10, 4:57 PM EDT	Special Weather Statement	CLE	Mahoning	63 min
Jul 10, 4:59 PM EDT	Special Weather Statement	CLE	Lake	61 min
Jul 10, 5:03 PM EDT	Special Marine Warning	CLE		61 min
Jul 10, 5:18 PM EDT	Special Marine Warning	CLE		48 min
Jul 10, 5:27 PM EDT	Special Weather Statement	CLE	Trumbull	63 min
Jul 10, 5:54 PM EDT	Severe Thunderstorm Warning	CLE	Trumbull	30 min

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.