Alert archive / Ohio / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 421, NWS Cleveland, OH
NWS Cleveland, OH issued this severe thunderstorm warning at Sep 7, 1998, 6:50 AM EDT for Summit County, Ohio. It was in force for 65 min. 2 reports 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, 6:50 AM EDT (10:50 UTC)
- Expired
- Sep 7, 1998, 7:55 AM EDT
- In force
- 65 min
- Issued by
- NWS Cleveland, OH
- Area
- Whole counties
County Summit County, OH
The radar
The Cleveland radar (KCLE), 42 km from the middle of the area, began a volume at 10:54 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, 7:00 AM EDT | Thunderstorm Wind | Countywide, OH | Numerous trees, large limbs and power lines were downed. In Munroe Falls, a tree fell on a house. In Stow, large limbs were downed on at least two vehicles and through the roof of a house. |
| Sep 7, 7:08 AM EDT | Hail 0.75 | Copley, OH |
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
Pittsburgh, PA (KPIT), launched 00:00Z, 10.8 hours before the alert went out and 145 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
- 511 J/kg
- Mixed-layer CIN
- -124 J/kg
- Mixed-layer LCL
- 2224 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 115 m²/s²
- 0-3 km storm-relative helicity
- 192 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.3
The text
As transmitted, in the capitals the NWS used until 2016.
302 WUUS1 KCLE 071051 RRA SVRCLE OHC153-071155- BULLETIN - EAS ACTIVATION/IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE CLEVELAND OH 650 AM EDT MON SEP 7 1998 THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SUMMIT COUNTY IN NORTHEASTERN OHIO * UNTIL 755 AM EDT * AT 649 AM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 6 MILES WEST OF AKRON MOVING EAST AT 30 MPH. * THE SEVERE THUNDERSTORM WILL MOVE NEAR... AKRON TALLMADGE MOGADORE 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, 6:27 AM EDT | Severe Thunderstorm Warning | CLE | Lorain | 63 min |
| Sep 7, 6:40 AM EDT | Severe Thunderstorm Warning | CLE | Medina | 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.