Alert archive / Ohio / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 54, NWS Cleveland, OH

July 15, 20214 counties in Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Jul 15, 2021, 6:56 PM EDT for 4 counties in Ohio. It was in force for 49 min. 6 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: Jul 15, 2021, 6:56 PM EDT (22:56 UTC)
Expired: Jul 15, 2021, 7:45 PM EDT
In force: 49 min
Issued by: NWS Cleveland, OH
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Ashtabula County, OH, Geauga County, OH, Lake County, OH, Trumbull County, OH

The radar

The Cleveland radar (KCLE), 86 km from the middle of the area, began a volume at 22:57 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 15, 7:07 PM EDT	TSTM WND DMG	2 N Montville, OH	SEVERAL LARGE LIMBS DOWN.
Jul 15, 7:22 PM EDT	TSTM WND DMG	6 Wnw Orwell, OH	TREE DOWN.
Jul 15, 7:25 PM EDT	TSTM WND DMG	4 Ne Jefferson, OH	TREE DOWN.
Jul 15, 7:30 PM EDT	TSTM WND GST 48	5 Ne Jefferson, OH	ASOS STATION KHZY ASHTABULA.
Jul 15, 7:36 PM EDT	TSTM WND DMG	2 Nw Orwell, OH	TREE AND WIRES DOWN.
Jul 15, 7:44 PM EDT	TSTM WND DMG	Orwell, OH	MULTIPLE TREES AND WIRES DOWN IN THE AREA.

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

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 10.9 hours before the alert went out and 145 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: 25 J/kg
Mixed-layer CIN: -93 J/kg
Mixed-layer LCL: 1094 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 61 m²/s²
0-3 km storm-relative helicity: 64 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted.

536 
WUUS51 KCLE 152256
SVRCLE
OHC007-055-085-155-152345-
/O.NEW.KCLE.SV.W.0054.210715T2256Z-210715T2345Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Cleveland OH
656 PM EDT Thu Jul 15 2021

The National Weather Service in Cleveland has issued a

* Severe Thunderstorm Warning for...
  Northwestern Trumbull County in northeastern Ohio...
  Northern Geauga County in northeastern Ohio...
  Eastern Lake County in northeastern Ohio...
  Ashtabula County in northeastern Ohio...

* Until 745 PM EDT.

* At 656 PM EDT, severe thunderstorms were located along a line
  extending from Geneva to Chesterland, moving east at 30 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Ashtabula, Chardon, Geneva-On-The-Lake, Cortland, Geneva, Madison,
  Middlefield, North Bloomfield, Orwell, Burton, Chesterland,
  Kirtland, Huntsburg, Claridon, Mecca, Austinburg, Montville,
  Hartsgrove, Roaming Shores and Pierpont.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4135 8068 4151 8137 4185 8102 4186 8052
TIME...MOT...LOC 2256Z 272DEG 26KT 4179 8097 4152 8130 

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

Maines

2 follow-up statements

334 
WWUS51 KCLE 152317
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
717 PM EDT Thu Jul 15 2021

OHC085-152324-
/O.CAN.KCLE.SV.W.0054.000000T0000Z-210715T2345Z/
Lake OH-
717 PM EDT Thu Jul 15 2021

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN LAKE COUNTY IS
CANCELLED...

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

LAT...LON 4142 8066 4148 8101 4152 8122 4172 8102
      4172 8100 4173 8100 4185 8088 4186 8052
TIME...MOT...LOC 2314Z 272DEG 26KT 4179 8080 4152 8113 

$$

OHC007-055-155-152345-
/O.CON.KCLE.SV.W.0054.000000T0000Z-210715T2345Z/
Trumbull OH-Geauga OH-Ashtabula OH-
717 PM EDT Thu Jul 15 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM EDT
FOR NORTHWESTERN TRUMBULL...NORTHEASTERN GEAUGA AND ASHTABULA
COUNTIES...

At 714 PM EDT, severe thunderstorms were located along a line
extending from 6 miles south of Ashtabula to near Burton, moving east
at 30 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated. At 707 PM, public reported tree limbs down 
         2 miles north of Montville.

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

Locations impacted include...
Ashtabula, Geneva, Orwell, Huntsburg, Claridon, Austinburg,
Montville, Hartsgrove, Roaming Shores, Pierpont, Cherry Valley, Rock
Creek, Aquilla, Plymouth Center and Kelloggsville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4142 8066 4148 8101 4152 8122 4172 8102
      4172 8100 4173 8100 4185 8088 4186 8052
TIME...MOT...LOC 2314Z 272DEG 26KT 4179 8080 4152 8113 

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

Maines

668 
WWUS51 KCLE 152334
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
734 PM EDT Thu Jul 15 2021

OHC055-155-152344-
/O.CAN.KCLE.SV.W.0054.000000T0000Z-210715T2345Z/
Trumbull OH-Geauga OH-
734 PM EDT Thu Jul 15 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN TRUMBULL AND
NORTHEASTERN GEAUGA COUNTIES IS CANCELLED...

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

LAT...LON 4150 8064 4150 8100 4160 8099 4169 8086
      4185 8082 4186 8052
TIME...MOT...LOC 2334Z 272DEG 26KT 4179 8063 4152 8096 

$$

OHC007-152345-
/O.CON.KCLE.SV.W.0054.000000T0000Z-210715T2345Z/
Ashtabula OH-
734 PM EDT Thu Jul 15 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM EDT
FOR SOUTHERN ASHTABULA COUNTY...

At 734 PM EDT, severe thunderstorms were located along a line
extending from 9 miles south of North Kingsville to near Orwell,
moving east at 30 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Ashtabula, Orwell, Hartsgrove, Roaming Shores, Pierpont, Cherry
Valley, Rock Creek, Plymouth Center and Kelloggsville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4150 8064 4150 8100 4160 8099 4169 8086
      4185 8082 4186 8052
TIME...MOT...LOC 2334Z 272DEG 26KT 4179 8063 4152 8096 

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

Maines

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 15, 3:03 PM EDT	Special Weather Statement	CLE	Lucas	27 min
Jul 15, 3:16 PM EDT	Special Marine Warning	CLE		89 min
Jul 15, 5:14 PM EDT	Special Marine Warning	CLE		91 min
Jul 15, 5:25 PM EDT	Special Weather Statement	CLE	Knox	35 min
Jul 15, 6:01 PM EDT	Special Weather Statement	CLE	Erie	29 min
Jul 15, 6:48 PM EDT	Special Weather Statement	CLE	Lake	27 min
Jul 15, 6:49 PM EDT	Special Marine Warning	CLE		75 min
Jul 15, 6:54 PM EDT	Special Weather Statement	CLE	Seneca	36 min
Jul 15, 7:37 PM EDT	Severe Thunderstorm Warning	CLE	Ashtabula	38 min
Jul 15, 7:56 PM EDT	Special Weather Statement	CLE	Portage, Trumbull	49 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.