Alert archive / Ohio / Severe Thunderstorm Watches in 1998
Severe Thunderstorm Watch 657
The Storm Prediction Center issued this severe thunderstorm watch at Jun 24, 1998, 7:45 PM EDT for 36 counties in Ohio; Hancock County, West Virginia. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 24, 1998, 7:45 PM EDT (23:45 UTC)
- Expired
- Jun 25, 1998, 12:00 AM EDT
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
All 37 counties
Ashland County, OH, Ashtabula County, OH, Carroll County, OH, Columbiana County, OH, Coshocton County, OH, Crawford County, OH, Cuyahoga County, OH, Delaware County, OH, Erie County, OH, Geauga County, OH, Hancock County, OH, Hardin County, OH, Holmes County, OH, Huron County, OH, Jefferson County, OH, Knox County, OH, Lake County, OH, Lorain County, OH, Lucas County, OH, Mahoning County, OH, Marion County, OH, Medina County, OH, Morrow County, OH, Ottawa County, OH, Portage County, OH, Richland County, OH, Sandusky County, OH, Seneca County, OH, Stark County, OH, Summit County, OH, Trumbull County, OH, Tuscarawas County, OH, Union County, OH, Wayne County, OH, Wood County, OH, Wyandot County, OH, Hancock County, WV
The radar
The Cleveland radar (KCLE), 53 km from the middle of the area, began a volume at 23:48 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
6 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 24, 7:46 PM EDT | Severe Thunderstorm Warning | CLE | Lucas, Ottawa | 64 min |
| Jun 24, 8:42 PM EDT | Tornado Warning | CLE | Ottawa | 48 min |
| Jun 24, 8:51 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 64 min |
| Jun 24, 9:13 PM EDT | Tornado Warning | CLE | Sandusky | 47 min |
| Jun 24, 9:27 PM EDT | Severe Thunderstorm Warning | CLE | Huron | 63 min |
| Jun 24, 10:36 PM EDT | Severe Thunderstorm Warning | CLE | Richland | 49 min |
The nearest sounding before it
Detroit, MI (KDTX), launched 12:00Z, 11.8 hours before the alert went out and 181 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
- 28 J/kg
- Mixed-layer CIN
- -202 J/kg
- Mixed-layer LCL
- 1540 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 89 m²/s²
- 0-3 km storm-relative helicity
- 172 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 |
|---|---|---|---|---|
| Jun 24, 2:30 PM EDT | Severe Thunderstorm Watch | SPC | Boone, Cabell, Lincoln, Logan, McDowell, Mingo and 3 more | 6 hr |
Nearby
Severe Thunderstorm Watches in Ohio, 1998Severe Thunderstorm Watches in West Virginia, 1998Every severe thunderstorm watch in 1998
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.