Alert archive / Ohio / Severe Thunderstorm Watches in 1997
Severe Thunderstorm Watch 688
The Storm Prediction Center issued this severe thunderstorm watch at Aug 16, 1997, 8:15 AM EDT for 4 counties in Michigan; 15 counties in Ohio; Crawford County, Erie County, Pennsylvania. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Aug 16, 1997, 8:15 AM EDT (12:15 UTC)
- Expired
- Aug 16, 1997, 12:00 PM EDT
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
All 21 counties
Lenawee County, MI, Monroe County, MI, Washtenaw County, MI, Wayne County, MI, Ashtabula County, OH, Cuyahoga County, OH, Erie County, OH, Fulton County, OH, Geauga County, OH, Henry County, OH, Huron County, OH, Lake County, OH, Lorain County, OH, Lucas County, OH, Ottawa County, OH, Putnam County, OH, Sandusky County, OH, Seneca County, OH, Wood County, OH, Crawford County, PA, Erie County, PA
The radar
The Cleveland radar (KCLE), 80 km from the middle of the area, began a volume at 12:18 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.
Warnings issued inside it
12 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 16, 8:15 AM EDT | Tornado Warning | DTX | Wayne | 65 min |
| Aug 16, 8:16 AM EDT | Severe Thunderstorm Warning | CLE | Fulton | 59 min |
| Aug 16, 8:46 AM EDT | Severe Thunderstorm Warning | CLE | Ottawa, Wood | 59 min |
| Aug 16, 8:59 AM EDT | Severe Thunderstorm Warning | CLE | Lucas | 16 min |
| Aug 16, 9:05 AM EDT | Severe Thunderstorm Warning | CLE | Sandusky | 55 min |
| Aug 16, 9:20 AM EDT | Severe Thunderstorm Warning | CLE | Erie | 55 min |
| Aug 16, 9:52 AM EDT | Severe Thunderstorm Warning | CLE | Lorain | 53 min |
| Aug 16, 10:06 AM EDT | Severe Thunderstorm Warning | CLE | Cuyahoga | 69 min |
| Aug 16, 10:39 AM EDT | Severe Thunderstorm Warning | CLE | Lorain | 36 min |
| Aug 16, 10:49 AM EDT | Severe Thunderstorm Warning | CLE | Geauga | 56 min |
| Aug 16, 10:52 AM EDT | Severe Thunderstorm Warning | CLE | Ashtabula | 68 min |
| Aug 16, 11:18 AM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 57 min |
The nearest sounding before it
Detroit, MI (KDTX), launched 12:00Z, 0.3 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
- 2226 J/kg
- Mixed-layer CIN
- -27 J/kg
- Mixed-layer LCL
- 607 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 95 m²/s²
- 0-3 km storm-relative helicity
- 135 m²/s²
- Significant tornado parameter
- 0.9
- Supercell composite
- 6.1
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 15, 9:00 PM EDT | Tornado Watch | SPC | Alger, Dickinson, Gogebic, Iron | 6 hr |
| Aug 16, 2:45 PM EDT | Severe Thunderstorm Watch | SPC | Berrien, Branch, Calhoun, Cass, Eaton, Genesee and 15 more | 6 hr |
| Aug 16, 6:15 PM EDT | Severe Thunderstorm Watch | SPC | Berrien, Van Buren | 6 hr |
| Aug 16, 4:15 PM EDT | Severe Thunderstorm Watch | SPC | Allen, Ashland, Ashtabula, Auglaize, Carroll, Champaign and 38 more | 6 hr |
| Aug 16, 11:00 AM EDT | Severe Thunderstorm Watch | SPC | Bradford, Cameron, Clarion, Clinton, Crawford, Elk and 12 more | 6 hr |
| Aug 16, 3:00 PM EDT | Severe Thunderstorm Watch | SPC | Berks, Bradford, Bucks, Carbon, Columbia, Dauphin and 21 more | 6 hr |
| Aug 16, 7:30 PM EDT | Severe Thunderstorm Watch | SPC | Allegheny, Armstrong, Beaver, Bedford, Blair, Butler and 20 more | 5 hr |
Nearby
Severe Thunderstorm Watches in Ohio, 1997Severe Thunderstorm Watches in Michigan, 1997Severe Thunderstorm Watches in Pennsylvania, 1997Every severe thunderstorm watch in 1997
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.