Alert archive / Ohio / Tornado Watches in 1998
Tornado Watch 235
The Storm Prediction Center issued this tornado watch at Apr 16, 1998, 7:00 PM EDT for 48 counties in Ohio; Mason County, West Virginia. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 16, 1998, 7:00 PM EDT (23:00 UTC)
- Expired
- Apr 17, 1998, 1:00 AM EDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 49 counties
Adams County, OH, Ashland County, OH, Athens County, OH, Brown County, OH, Carroll County, OH, Coshocton County, OH, Crawford County, OH, Cuyahoga County, OH, Delaware County, OH, Erie County, OH, Fairfield County, OH, Fayette County, OH, Franklin County, OH, Gallia County, OH, Geauga County, OH, Guernsey County, OH, Highland County, OH, Hocking County, OH, Holmes County, OH, Huron County, OH, Jackson County, OH, Knox County, OH, Lake County, OH, Licking County, OH, Lorain County, OH, Madison County, OH, Marion County, OH, Medina County, OH, Meigs County, OH, Morgan County, OH, Morrow County, OH, Muskingum County, OH, Noble County, OH, Perry County, OH, Pickaway County, OH, Pike County, OH, Portage County, OH, Richland County, OH, Ross County, OH, Scioto County, OH, Stark County, OH, Summit County, OH, Trumbull County, OH, Tuscarawas County, OH, Union County, OH, Vinton County, OH, Washington County, OH, Wayne County, OH, Mason County, WV
The radar
The Cincinnati radar (KILN), 119 km from the middle of the area, began a volume at 23:01 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 |
|---|---|---|---|---|
| Apr 16, 7:48 PM EDT | Severe Thunderstorm Warning | CLE | Huron | 62 min |
| Apr 16, 8:24 PM EDT | Flash Flood Warning | CLE | Lorain | 3 hr |
| Apr 16, 8:32 PM EDT | Flash Flood Warning | CLE | Huron | 3 hr |
| Apr 16, 9:16 PM EDT | Flash Flood Warning | CLE | Cuyahoga | 3 hr |
| Apr 16, 10:25 PM EDT | Flash Flood Warning | CLE | Medina | 3 hr |
| Apr 16, 10:36 PM EDT | Flash Flood Warning | CLE | Geauga, Summit | 3 hr |
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 12:00Z, 11.0 hours before the alert went out and 117 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 986 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- 120 m²/s²
- 0-3 km storm-relative helicity
- 103 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 |
|---|---|---|---|---|
| Apr 15, 11:15 PM EDT | Tornado Watch | SPC | Adams, Brown, Butler, Clark, Clermont, Clinton and 18 more | 6 hr |
| Apr 16, 2:45 AM EDT | Tornado Watch | SPC | Adams, Brown, Butler, Clermont, Clinton, Hamilton and 6 more | 5 hr |
| Apr 16, 1:30 PM EDT | Severe Thunderstorm Watch | SPC | Allen, Auglaize, Crawford, Defiance, Fulton, Hancock and 14 more | |
| Apr 16, 2:45 PM EDT | Tornado Watch | SPC | Auglaize, Butler, Champaign, Clark, Clermont, Clinton and 16 more | 6 hr |
| Apr 16, 5:30 PM EDT | Tornado Watch | SPC | Gallia, Lawrence, Scioto | 7 hr |
Nearby
Tornado Watches in Ohio, 1998Tornado Watches in West Virginia, 1998Every tornado 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.