Alert archive / Ohio / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 418, NWS Cleveland, OH
NWS Cleveland, OH issued this severe thunderstorm warning at Sep 7, 1998, 6:27 AM EDT for Lorain County, Ohio. It was in force for 63 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
- Sep 7, 1998, 6:27 AM EDT (10:27 UTC)
- Expired
- Sep 7, 1998, 7:30 AM EDT
- In force
- 63 min
- Issued by
- NWS Cleveland, OH
- Area
- Whole counties
County Lorain County, OH
The radar
The Cleveland radar (KCLE), 25 km from the middle of the area, began a volume at 10:31 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 |
|---|---|---|---|
| Sep 7, 6:35 AM EDT | Thunderstorm Wind | Countywide, OH | Many trees were downed. |
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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Sep 7, 5:00 AM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Detroit, MI (KDTX), launched 00:00Z, 10.5 hours before the alert went out and 176 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
- 1419 J/kg
- Mixed-layer CIN
- -179 J/kg
- Mixed-layer LCL
- 1554 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 54 m²/s²
- 0-3 km storm-relative helicity
- 43 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
211 WUUS1 KCLE 071028 RRA SVRCLE OHC093-OHZ523-071130- BULLETIN - EAS ACTIVATION/IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE CLEVELAND OH 627 AM EDT MON SEP 7 1998 THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... LORAIN COUNTY INCLUDING ADJACENT COASTAL WATERS IN NORTHEASTERN OHIO * UNTIL 730 AM EDT * AT 625 AM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES SOUTHEAST OF ELYRIA OR 1 MILE NORTHWEST OF EATON ESTATES MOVING EAST AT 35 MPH. * THE SEVERE THUNDERSTORM WILL MOVE NEAR... OBERLIN WELLINGTON PITTSFIELD SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS AND LARGE HAIL. GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS DEB
The office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 7, 4:01 AM EDT | Severe Thunderstorm Warning | CLE | Lucas | 64 min |
| Sep 7, 4:29 AM EDT | Severe Thunderstorm Warning | CLE | Wood | 61 min |
| Sep 7, 4:53 AM EDT | Severe Thunderstorm Warning | CLE | Sandusky, Seneca | 62 min |
| Sep 7, 5:40 AM EDT | Severe Thunderstorm Warning | CLE | Erie, Huron | 60 min |
| Sep 7, 6:40 AM EDT | Severe Thunderstorm Warning | CLE | Medina | 65 min |
| Sep 7, 6:50 AM EDT | Severe Thunderstorm Warning | CLE | Summit | 65 min |
| Sep 7, 7:00 AM EDT | Severe Thunderstorm Warning | CLE | Portage | 65 min |
| Sep 7, 7:13 AM EDT | Severe Thunderstorm Warning | CLE | Geauga | 62 min |
| Sep 7, 7:26 AM EDT | Severe Thunderstorm Warning | CLE | Mahoning, Trumbull | 59 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.