Alert archive / Ohio / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 56, NWS Cleveland, OH

July 16, 2021Ashland County, Holmes County, Knox County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Jul 16, 2021, 4:29 PM EDT for Ashland County, Holmes County, Knox County, Ohio. It was in force for 46 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 16, 2021, 4:29 PM EDT (20:29 UTC)
Expired: Jul 16, 2021, 5:15 PM EDT
In force: 46 min
Issued by: NWS Cleveland, OH
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Ashland County, OH, Holmes County, OH, Knox County, OH

The radar

The Cleveland radar (KCLE), 127 km from the middle of the area, began a volume at 20:29 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 16, 4:52 PM EDT	TSTM WND DMG	1 Sw Glenmont, OH	TREES DOWN ON WIRES ON COUNTY ROAD 25 NEAR GLENMONT.

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, 8.5 hours before the alert went out and 160 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: 291 J/kg
Mixed-layer CIN: -68 J/kg
Mixed-layer LCL: 941 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 99 m²/s²
0-3 km storm-relative helicity: 92 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

Open this sounding in Storm Lab

The text

As transmitted.

009 
WUUS51 KCLE 162029
SVRCLE
OHC005-075-083-162115-
/O.NEW.KCLE.SV.W.0056.210716T2029Z-210716T2115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Cleveland OH
429 PM EDT Fri Jul 16 2021

The National Weather Service in Cleveland has issued a

* Severe Thunderstorm Warning for...
  South central Ashland County in north central Ohio...
  Southwestern Holmes County in northeastern Ohio...
  Knox County in north central Ohio...

* Until 515 PM EDT.

* At 428 PM EDT, a severe thunderstorm was located near Gambier, or 7
  miles southeast 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, Loudonville, Gambier, Utica, Danville, Glenmont,
  Martinsburg, Gann 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 4027 8260 4028 8262
      4063 8227 4045 8199 4045 8218 4027 8219
      4025 8220 4024 8223
TIME...MOT...LOC 2028Z 233DEG 31KT 4030 8239 

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

Saunders

1 follow-up statement

445 
WWUS51 KCLE 162053
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
453 PM EDT Fri Jul 16 2021

OHC005-162103-
/O.CAN.KCLE.SV.W.0056.000000T0000Z-210716T2115Z/
Ashland OH-
453 PM EDT Fri Jul 16 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL ASHLAND 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 4039 8237 4058 8219 4045 8199 4045 8218
      4027 8219 4025 8220 4024 8223
TIME...MOT...LOC 2053Z 230DEG 37KT 4049 8210 

$$

OHC075-083-162115-
/O.CON.KCLE.SV.W.0056.000000T0000Z-210716T2115Z/
Holmes OH-Knox OH-
453 PM EDT Fri Jul 16 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM EDT
FOR SOUTHWESTERN HOLMES AND EASTERN KNOX COUNTIES...

At 453 PM EDT, a severe thunderstorm was located over Glenmont, or 10
miles southwest of Millersburg, moving northeast at 45 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Danville, Glenmont and Gann. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4039 8237 4058 8219 4045 8199 4045 8218
      4027 8219 4025 8220 4024 8223
TIME...MOT...LOC 2053Z 230DEG 37KT 4049 8210 

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

Saunders

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 15, 8:53 PM EDT	Special Weather Statement	CLE	Portage	37 min
Jul 15, 8:59 PM EDT	Special Weather Statement	CLE	Trumbull	31 min
Jul 16, 3:07 AM EDT	Flash Flood Watch	CLE	Ashland, Ashtabula, Crawford, Cuyahoga, Erie, Geauga and 22 more	36 hr
Jul 16, 12:53 PM EDT	Special Weather Statement	CLE	Trumbull	37 min
Jul 16, 3:45 PM EDT	Small Craft Advisory	CLE		35 hr
Jul 16, 3:49 PM EDT	Beach Hazards Statement	CLE	Ashtabula, Cuyahoga, Erie, Lake, Lorain	35 hr
Jul 16, 4:20 PM EDT	Special Weather Statement	CLE	Knox	25 min
Jul 16, 4:41 PM EDT	Special Weather Statement	CLE	Holmes	34 min
Jul 16, 4:52 PM EDT	Severe Thunderstorm Warning	CLE	Holmes, Stark, Wayne	38 min
Jul 16, 6:16 PM EDT	Areal Flood Advisory	CLE	Mahoning, Stark	3 hr
Jul 16, 6:34 PM EDT	Areal Flood Advisory	CLE	Crawford, Richland, Wyandot	3 hr
Jul 16, 7:04 PM EDT	Areal Flood Advisory	CLE	Trumbull	3 hr
Jul 16, 7:05 PM EDT	Special Weather Statement	CLE	Medina	25 min
Jul 16, 7:28 PM EDT	Areal Flood Advisory	CLE	Ashland, Huron, Lorain, Medina, Seneca	3 hr
Jul 16, 7:41 PM EDT	Flash Flood Warning	CLE	Ashland, Crawford, Huron, Richland, Seneca	6 hr

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.