Alert archive / Ohio / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 35, NWS Cleveland, OH
NWS Cleveland, OH issued this severe thunderstorm warning at May 18, 1997, 11:02 PM EDT for Geauga County, Ohio. It was in force for 43 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
- May 18, 1997, 11:02 PM EDT (03:02 UTC)
- Expired
- May 18, 1997, 11:45 PM EDT
- In force
- 43 min
- Issued by
- NWS Cleveland, OH
- Area
- Whole counties
County Geauga County, OH
The radar
The Cleveland radar (KCLE), 58 km from the middle of the area, began a volume at 03:05 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 |
|---|---|---|---|
| May 18, 11:20 PM EDT | Hail 0.75 | Chardon, 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 |
|---|---|---|---|
| May 18, 11:00 PM EDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 00:00Z, 3.0 hours before the alert went out and 151 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
- 204 J/kg
- Mixed-layer CIN
- -55 J/kg
- Mixed-layer LCL
- 952 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 151 m²/s²
- 0-3 km storm-relative helicity
- 227 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted, in the capitals the NWS used until 2016.
097 WUUS1 KCLE 190304 RRA SVRCLE OHC055-190345- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE CLEVELAND OH 1102 PM EDT SUN MAY 18 1997 THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1145 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN OHIO ...GEAUGA COUNTY AT 11 PM EDT A SEVERE THUNDERSTORM WAS DEVELOPING NEAR CHESTERLAND AND MOVING EAST AT 40 MPH. A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS.
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, May 18, 8:29 PM EDT, 2 hours 33 minutes before
OHZ003>014-089-017>023-027>033-036-037-038-047- PAZ001-002-003-190230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CLEVELAND OH 829 PM EDT SUN MAY 18 1997 THE SEVERE THUNDERSTORM WATCH FOR NORTHWEST OHIO WAS ALLOWED TO EXPIRE AT 8 PM. THE SEVERE THUNDERSTORM WATCH FOR NORTH-CENTRAL AND NORTHEAST OHIO...AND ERIE AND CRAWFORD COUNTIES IN NORTHWEST PENNSYLVANIA HAS BEEN CANCELLED. STRONG THUNDERSTORMS MOVED ACROSS NORTHERN OHIO THIS AFTERNOON AND THIS EVENING. THEY WEAKENED AS THEY MOVED EAST INTO WESTERN PENNSYLVANIA. A FEW SHOWERS AND THUNDERSTORMS LINGERED ACROSS THE AREA THIS EVENING ESPECIALLY OVER NORTH CENTRAL OHIO AND NORTHWEST PENNSYLVANIA. THE THUNDERSTORMS ARE NOT EXPECTED TO BE SEVERE ANYMORE THIS EVENING. HOWEVER...THERE WERE STRONG THUNDERSTORMS WEST OF OHIO OVER NORTHERN ILLINOIS AND SOUTHWEST LOWER MICHIGAN. THESE THUNDERSTORMS WILL MOVE INTO NORTHWEST OHIO LATER TONIGHT...AROUND 11 PM TO 1 AM. IT IS POSSIBLTHAT SOME OF THESE STORMS COULD BE SEVERE AGAIN...PRODUCING LARGE HAIL OR WIND GUSTS IN EXCESS OF 60 MPH. IT IS ALSO POSSIBLE THAT THESE STORMS COULD CAUSE A TORNADO. STAYED TUNED TO NOAA WEATHER RADIO...LOCAL RADIO OR TELEVISION STATIONS...OR CABLE TW FOR THE LATEST WEATHER INFORMATION.
Special weather statement, May 18, 8:33 PM EDT, 2 hours 29 minutes before
OHZ003>014-089-017>023-027>033-036-037-038-047- PAZ001-002-003-190230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CLEVELAND OH 829 PM EDT SUN MAY 18 1997 THE SEVERE THUNDERSTORM WATCH FOR NORTHWEST OHIO WAS ALLOWED TO EXPIRE AT 8 PM. THE SEVERE THUNDERSTORM WATCH FOR NORTH-CENTRAL AND NORTHEAST OHIO...AND ERIE AND CRAWFORD COUNTIES IN NORTHWEST PENNSYLVANIA HAS BEEN CANCELLED. STRONG THUNDERSTORMS MOVED ACROSS NORTHERN OHIO THIS AFTERNOON AND THIS EVENING. THEY WEAKENED AS THEY MOVED EAST INTO WESTERN PENNSYLVANIA. A FEW SHOWERS AND THUNDERSTORMS LINGERED ACROSS THE AREA THIS EVENING ESPECIALLY OVER NORTH CENTRAL OHIO AND NORTHWEST PENNSYLVANIA. THE THUNDERSTORMS ARE NOT EXPECTED TO BE SEVERE ANYMORE THIS EVENING. HOWEVER...THERE WERE STRONG THUNDERSTORMS WEST OF OHIO OVER NORTHERN ILLINOIS AND SOUTHWEST LOWER MICHIGAN. THESE THUNDERSTORMS WILL MOVE INTO NORTHWEST OHIO LATER TONIGHT...AROUND 11 PM TO 1 AM. IT IS POSSIBLTHAT SOME OF THESE STORMS COULD BE SEVERE AGAIN...PRODUCING LARGE HAIL OR WIND GUSTS IN EXCESS OF 60 MPH. IT IS ALSO POSSIBLE THAT THESE STORMS COULD CAUSE A TORNADO. STAYED TUNED TO NOAA WEATHER RADIO...LOCAL RADIO OR TELEVISION STATIONS...OR CABLE TW FOR THE LATEST WEATHER INFORMATION.
The office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 18, 10:41 PM EDT | Severe Thunderstorm Warning | CLE | Portage, Trumbull | 64 min |
| May 18, 11:24 PM EDT | Severe Thunderstorm Warning | CLE | Fulton, Henry | 51 min |
| May 18, 11:37 PM EDT | Severe Thunderstorm Warning | CLE | Ashtabula | 53 min |
| May 18, 11:55 PM EDT | Severe Thunderstorm Warning | CLE | Hancock, Wood | 50 min |
| May 19, 12:12 AM EDT | Severe Thunderstorm Warning | CLE | Seneca, Wyandot | 63 min |
| May 19, 12:12 AM EDT | Severe Thunderstorm Warning | CLE | Ottawa, Sandusky | 63 min |
| May 19, 12:28 AM EDT | Severe Thunderstorm Warning | CLE | Erie, Huron | 62 min |
| May 19, 12:37 AM EDT | Severe Thunderstorm Warning | CLE | Crawford, Marion | 68 min |
| May 19, 12:50 AM EDT | Flash Flood Warning | CLE | Ashtabula | 115 min |
| May 19, 12:55 AM EDT | Severe Thunderstorm Warning | CLE | Lorain | 65 min |
Nearby
Severe Thunderstorm Warnings in Ohio, 1997Every severe thunderstorm warning in 1997
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.