Alert archive / Ohio / Severe Thunderstorm Warnings in 2018
Severe Thunderstorm Warning 71, NWS Cleveland, OH
NWS Cleveland, OH issued this severe thunderstorm warning at Sep 21, 2018, 4:24 PM EDT for Cuyahoga County, Geauga County, Lake County, Ohio. It was in force for 27 min. 3 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
- Sep 21, 2018, 4:24 PM EDT (20:24 UTC)
- Expired
- Sep 21, 2018, 4:51 PM EDT
- In force
- 27 min
- Issued by
- NWS Cleveland, OH
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Cuyahoga County, OH, Geauga County, OH, Lake County, OH
The radar
The Cleveland radar (KCLE), 47 km from the middle of the area, began a volume at 20:23 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 |
|---|---|---|---|
| Sep 21, 4:24 PM EDT | TSTM WND DMG | 4 Ne Cleveland, OH | TREE DOWN AT E98 AND PARKGATE |
| Sep 21, 4:24 PM EDT | TORNADO | Willoughby, OH | SMALL TREE DOWN AT GLENWOOD AND LAKESHORE |
| Sep 21, 4:25 PM EDT | TSTM WND DMG | East Cleveland, OH | PINE TREE SNAPPED AT ABOUT THE MIDWAY POINT ON WYATT RD. NEAR FOREST HILL PARK. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Pittsburgh, PA (KAGC), launched 12:00Z, 8.4 hours before the alert went out and 168 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.
- Mixed-layer CAPE
- 391 J/kg
- Mixed-layer CIN
- -67 J/kg
- Mixed-layer LCL
- 999 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 142 m²/s²
- 0-3 km storm-relative helicity
- 129 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.8
The text
As transmitted.
357
WUUS51 KCLE 212024
SVRCLE
OHC035-055-085-212115-
/O.NEW.KCLE.SV.W.0071.180921T2024Z-180921T2115Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Cleveland OH
424 PM EDT FRI SEP 21 2018
The National Weather Service in Cleveland has issued a
* Severe Thunderstorm Warning for...
Geauga County in northeastern Ohio...
Eastern Cuyahoga County in northeastern Ohio...
Lake County in northeastern Ohio...
* Until 515 PM EDT.
* At 424 PM EDT, a severe thunderstorm was located near Cleveland
Heights, or near Cleveland, moving east at 40 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to trees and power lines.
* Locations impacted include...
Cleveland, Painesville, Willowick, Chardon, Fairport Harbor, Parma,
Euclid, Mentor, Cleveland Heights, Solon, Willoughby, Eastlake,
Warrensville Heights, South Russell, Madison, Perry, Burton,
Highland Hills, Timberlake and Lakeline.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4150 8101 4133 8168 4153 8176 4153 8172
4168 8148 4183 8109 4185 8100
TIME...MOT...LOC 2024Z 250DEG 36KT 4151 8163
HAIL...<.75IN
WIND...60MPH
$$
LaPlante2 follow-up statements
823
WWUS51 KCLE 212033
SVSCLE
Severe Weather Statement
National Weather Service Cleveland OH
433 PM EDT FRI SEP 21 2018
OHC035-055-085-212115-
/O.CON.KCLE.SV.W.0071.000000T0000Z-180921T2115Z/
Geauga OH-Cuyahoga OH-Lake OH-
433 PM EDT FRI SEP 21 2018
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM EDT
FOR GEAUGA...NORTHEASTERN CUYAHOGA AND LAKE COUNTIES...
At 433 PM EDT, a severe thunderstorm was located near Cleveland
Heights, or near Willowick, moving east at 40 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to trees and power lines.
Locations impacted include...
Cleveland, Painesville, Willowick, Chardon, Fairport Harbor, Euclid,
Mentor, Cleveland Heights, Solon, Willoughby, Eastlake, Warrensville
Heights, South Russell, Madison, Perry, Burton, Highland Hills,
Timberlake, Lakeline and Chesterland.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4150 8101 4135 8163 4154 8155 4167 8147
4183 8109 4185 8100
TIME...MOT...LOC 2033Z 250DEG 36KT 4154 8152
HAIL...<.75IN
WIND...60MPH
$$
LaPlante364
WWUS51 KCLE 212051
SVSCLE
Severe Weather Statement
National Weather Service Cleveland OH
451 PM EDT FRI SEP 21 2018
OHC035-055-085-212101-
/O.CAN.KCLE.SV.W.0071.000000T0000Z-180921T2115Z/
Geauga OH-Cuyahoga OH-Lake OH-
451 PM EDT FRI SEP 21 2018
...THE SEVERE THUNDERSTORM WARNING FOR GEAUGA...NORTHEASTERN CUYAHOGA
AND LAKE COUNTIES IS CANCELLED...
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 1100 PM EDT for
northeastern Ohio.
LAT...LON 4150 8101 4135 8163 4154 8155 4167 8147
4183 8109 4185 8100
TIME...MOT...LOC 2050Z 250DEG 36KT 4160 8129
$$
LaPlanteThe office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 21, 4:02 AM EDT | Beach Hazards Statement | CLE | Ashtabula, Cuyahoga, Erie, Lake, Lorain, Lucas and 1 more | 35 hr |
| Sep 21, 4:08 PM EDT | Special Marine Warning | CLE | 85 min | |
| Sep 21, 4:08 PM EDT | Special Weather Statement | CLE | Ashland, Ashtabula, Cuyahoga, Lake, Marion, Medina and 2 more | 37 min |
| Sep 21, 4:13 PM EDT | Severe Thunderstorm Warning | CLE | Ashland, Richland | 47 min |
| Sep 21, 4:36 PM EDT | Severe Thunderstorm Warning | CLE | Ashland, Richland | 39 min |
| Sep 21, 5:00 PM EDT | Special Weather Statement | CLE | Geauga, Mahoning, Medina, Portage, Stark, Summit and 2 more | 60 min |
| Sep 21, 5:18 PM EDT | Severe Thunderstorm Warning | CLE | Holmes, Stark, Summit, Wayne | 42 min |
| Sep 21, 5:19 PM EDT | Severe Thunderstorm Warning | CLE | Holmes | 41 min |
| Sep 21, 5:43 PM EDT | Severe Thunderstorm Warning | CLE | Holmes | 47 min |
| Sep 21, 6:00 PM EDT | Severe Thunderstorm Warning | CLE | Mahoning, Portage, Stark | 30 min |
| Sep 21, 6:27 PM EDT | Severe Thunderstorm Warning | CLE | Mahoning | 17 min |
Nearby
Severe Thunderstorm Warnings in Ohio, 2018Every severe thunderstorm warning in 2018
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.