Alert archive / Ohio / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 90, NWS Cleveland, OH
NWS Cleveland, OH issued this severe thunderstorm warning at Aug 12, 2021, 11:01 AM EDT for Ashtabula County, Trumbull County, Ohio; Crawford County, Pennsylvania. It was in force for 40 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 12, 2021, 11:01 AM EDT (15:01 UTC)
- Expired
- Aug 12, 2021, 11:41 AM EDT
- In force
- 40 min
- Issued by
- NWS Cleveland, OH
- Area
- Storm-based polygon
- Damage threat
- Considerable
- Hail
- 0.75 in
- Wind
- 70.0 mph
Counties Ashtabula County, OH, Trumbull County, OH, Crawford County, PA
The radar
The Pittsburgh radar (KPBZ), 102 km from the middle of the area, began a volume at 15:02 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.
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 12:00Z, 3.0 hours before the alert went out and 118 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
- 1075 J/kg
- Mixed-layer CIN
- -107 J/kg
- Mixed-layer LCL
- 890 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 163 m²/s²
- 0-3 km storm-relative helicity
- 129 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.8
The text
As transmitted.
991
WUUS51 KCLE 121501
SVRCLE
OHC007-155-PAC039-121600-
/O.NEW.KCLE.SV.W.0090.210812T1501Z-210812T1600Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Cleveland OH
1101 AM EDT Thu Aug 12 2021
The National Weather Service in Cleveland has issued a
* Severe Thunderstorm Warning for...
Trumbull County in northeastern Ohio...
Southeastern Ashtabula County in northeastern Ohio...
Southwestern Crawford County in northwestern Pennsylvania...
* Until noon EDT.
* At 1101 AM EDT, severe thunderstorms were located along a line
extending from near North Bloomfield to near Bristolville to near
Newton Falls, moving east at 50 mph.
HAZARD...70 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect considerable tree damage. Damage is likely to
mobile homes, roofs, and outbuildings.
* Locations impacted include...
Warren, Niles, Hubbard, Cortland, Lordstown, Kinsman, North
Bloomfield, West Farmington, Vienna Center, Adamsville, Pymatuning
Central, Bristolville, Leavittsburg, Atlantic, Girard, Vienna,
McDonald, Mecca, Johnston and Cochranton.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4149 8001 4149 8052 4114 8052 4122 8100
4149 8100 4159 8052 4159 7986
TIME...MOT...LOC 1501Z 275DEG 45KT 4148 8087 4135 8084 4125 8099
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH
$$
Kahn3 follow-up statements
363 WWUS51 KCLE 121519 SVSCLE Severe Weather Statement National Weather Service Cleveland OH 1119 AM EDT Thu Aug 12 2021 OHC007-PAC039-121529- /O.CAN.KCLE.SV.W.0090.000000T0000Z-210812T1600Z/ Ashtabula OH-Crawford PA- 1119 AM EDT Thu Aug 12 2021 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN ASHTABULA AND SOUTHWESTERN CRAWFORD COUNTIES IS CANCELLED... The storms which prompted the warning have moved out of the warned area. Therefore, the warning has been cancelled. LAT...LON 4114 8052 4120 8086 4150 8063 4150 8052 TIME...MOT...LOC 1519Z 270DEG 45KT 4146 8059 4133 8056 4123 8071 $$ OHC155-121600- /O.CON.KCLE.SV.W.0090.000000T0000Z-210812T1600Z/ Trumbull OH- 1119 AM EDT Thu Aug 12 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL NOON EDT FOR EASTERN TRUMBULL COUNTY... At 1119 AM EDT, severe thunderstorms were located along a line extending from Kinsman to 6 miles northwest of Sharpsville to near Vienna Center, moving east at 50 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to trees and power lines. Locations impacted include... Warren, Niles, Hubbard, Cortland, Lordstown, Kinsman, Vienna Center, Girard, Vienna, Johnston, Orangeville, Yankee Lake, Brookfield Center, Churchill, Howland Center, Bolindale and West Hill. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4114 8052 4120 8086 4150 8063 4150 8052 TIME...MOT...LOC 1519Z 270DEG 45KT 4146 8059 4133 8056 4123 8071 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Kahn
903 WWUS51 KCLE 121528 SVSCLE Severe Weather Statement National Weather Service Cleveland OH 1128 AM EDT Thu Aug 12 2021 OHC155-121600- /O.CON.KCLE.SV.W.0090.000000T0000Z-210812T1600Z/ Trumbull OH- 1128 AM EDT Thu Aug 12 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL NOON EDT FOR SOUTHEASTERN TRUMBULL COUNTY... At 1128 AM EDT, severe thunderstorms were located along a line extending from near Greenville to near Sharpsville to near Hubbard, moving east at 50 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to trees and power lines. Locations impacted include... Niles, Hubbard, Vienna Center, Girard, Vienna, Yankee Lake, Brookfield Center, Churchill and West Hill. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4118 8073 4132 8066 4134 8052 4114 8052 TIME...MOT...LOC 1528Z 275DEG 45KT 4145 8046 4132 8043 4122 8058 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Kahn
438
WWUS51 KCLE 121541
SVSCLE
Severe Weather Statement
National Weather Service Cleveland OH
1141 AM EDT Thu Aug 12 2021
OHC155-121551-
/O.CAN.KCLE.SV.W.0090.000000T0000Z-210812T1600Z/
Trumbull OH-
1141 AM EDT Thu Aug 12 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN TRUMBULL COUNTY
IS CANCELLED...
The storms which prompted the warning have moved out of the area.
Therefore, the warning has been cancelled.
LAT...LON 4118 8073 4132 8066 4134 8052 4114 8052
TIME...MOT...LOC 1541Z 275DEG 45KT 4144 8024 4131 8021 4121 8036
$$
KahnThe office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 12, 4:14 AM EDT | Heat Advisory | CLE | Ashland, Crawford, Cuyahoga, Erie, Hancock, Holmes and 19 more | 15 hr |
| Aug 12, 4:56 AM EDT | Special Marine Warning | CLE | 64 min | |
| Aug 12, 5:12 AM EDT | Special Marine Warning | CLE | 33 min | |
| Aug 12, 7:33 AM EDT | Special Marine Warning | CLE | 87 min | |
| Aug 12, 8:21 AM EDT | Special Weather Statement | CLE | Medina | 39 min |
| Aug 12, 8:59 AM EDT | Special Marine Warning | CLE | 71 min | |
| Aug 12, 9:03 AM EDT | Special Weather Statement | CLE | Ashtabula, Lake | 42 min |
| Aug 12, 10:15 AM EDT | Special Weather Statement | CLE | Cuyahoga, Geauga, Portage | 45 min |
| Aug 12, 10:23 AM EDT | Areal Flood Advisory | CLE | Cuyahoga | 2 hr |
| Aug 12, 10:28 AM EDT | Severe Thunderstorm Warning | CLE | Ashtabula, Cuyahoga, Geauga, Portage, Summit, Trumbull | 47 min |
| Aug 12, 3:29 PM EDT | Special Weather Statement | CLE | Portage, Trumbull | 46 min |
| Aug 12, 3:37 PM EDT | Special Weather Statement | CLE | Geauga | 53 min |
| Aug 12, 3:42 PM EDT | Severe Thunderstorm Warning | CLE | Geauga, Portage, Summit | 48 min |
| Aug 12, 3:54 PM EDT | Special Weather Statement | CLE | Mahoning | 51 min |
| Aug 12, 4:00 PM EDT | Special Weather Statement | CLE | Summit | 45 min |
| Aug 12, 4:09 PM EDT | Severe Thunderstorm Warning | CLE | Portage, Summit | 51 min |
| Aug 12, 4:27 PM EDT | Severe Thunderstorm Warning | CLE | Geauga, Portage, Summit, Trumbull | 63 min |
| Aug 12, 4:52 PM EDT | Severe Thunderstorm Warning | CLE | Mahoning, Portage | 68 min |
| Aug 12, 6:11 PM EDT | Special Weather Statement | CLE | Morrow, Richland | 64 min |
| Aug 12, 4:58 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 47 min |
| Aug 12, 5:06 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 39 min |
| Aug 12, 5:36 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 39 min |
| Aug 12, 6:31 PM EDT | Areal Flood Advisory | CLE | Crawford | 2 hr |
Nearby
Severe Thunderstorm Warnings in Ohio, 2021Severe Thunderstorm Warnings in Pennsylvania, 2021Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.