Alert archive / Ohio / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 166, NWS Cleveland, OH
NWS Cleveland, OH issued this severe thunderstorm warning at Jun 16, 1998, 2:35 PM EDT for Knox County, Ohio. It was in force for 60 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jun 16, 1998, 2:35 PM EDT (18:35 UTC)
- Expired
- Jun 16, 1998, 3:35 PM EDT
- In force
- 60 min
- Issued by
- NWS Cleveland, OH
- Area
- Whole counties
County Knox County, OH
The radar
The Cleveland radar (KCLE), 122 km from the middle of the area, began a volume at 18:34 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 |
|---|---|---|---|
| Jun 16, 2:55 PM EDT | Thunderstorm Wind | Countywide, OH | Trees and power lines were downed, especially around Mt. Vernon. |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 12:00Z, 6.6 hours before the alert went out and 160 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
- 353 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 521 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 53 m²/s²
- 0-3 km storm-relative helicity
- 39 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.0
The text
As transmitted, in the capitals the NWS used until 2016.
912 WUUS1 KCLE 161836 RRA SVRCLE OHC083-161935- BULLETIN - EAS ACTIVATION/IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE CLEVELAND OH 235 PM EDT TUE JUN 16 1998 THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... KNOX COUNTY IN NORTH CENTRAL OHIO * UNTIL 335 PM EDT * AT 232 PM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 7 MILES SOUTHWEST OF MOUNT VERNON MOVING NORTHEAST AT 25 MPH. * THE SEVERE THUNDERSTORM WILL MOVE NEAR... MOUNT VERNON GAMBIER HOWARD .SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS AND LARGE HAIL. GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS RINGO
The office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 15, 9:42 PM EDT | Flash Flood Warning | CLE | Holmes | 58 min |
| Jun 15, 10:44 PM EDT | Flash Flood Warning | CLE | Holmes | 61 min |
| Jun 15, 11:48 PM EDT | Flash Flood Warning | CLE | Holmes | 2 hr |
| Jun 16, 2:18 PM EDT | Severe Thunderstorm Warning | CLE | Ashtabula, Lake | 47 min |
| Jun 16, 3:17 PM EDT | Flash Flood Warning | CLE | Holmes | 3 hr |
| Jun 16, 3:25 PM EDT | Severe Thunderstorm Warning | CLE | Holmes | 50 min |
| Jun 16, 4:04 PM EDT | Severe Thunderstorm Warning | CLE | Stark | 61 min |
| Jun 16, 5:18 PM EDT | Flash Flood Warning | CLE | Stark | 117 min |
| Jun 16, 6:40 PM EDT | Flash Flood Warning | CLE | Lorain | 95 min |
Nearby
Severe Thunderstorm Warnings in Ohio, 1998Every severe thunderstorm warning 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.