Alert archive / Ohio / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 40, NWS Cleveland, OH
NWS Cleveland, OH issued this severe thunderstorm warning at May 19, 1998, 8:53 PM EDT for Knox County, Ohio. It was in force for 62 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 19, 1998, 8:53 PM EDT (00:53 UTC)
- Expired
- May 19, 1998, 9:55 PM EDT
- In force
- 62 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 00:53 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 19, 9:15 PM EDT | Hail 1 | Mt Vernon, 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 nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 00:00Z, 0.9 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
- 1270 J/kg
- Mixed-layer CIN
- -29 J/kg
- Mixed-layer LCL
- 1675 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 16 m²/s²
- 0-3 km storm-relative helicity
- 49 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KCLE 200053 RRA SVRCLE OHC083-200155- BULLETIN - EAS ACTIVATION/IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE CLEVELAND OH 853 PM EDT TUE MAY 19 1998 THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... KNOX COUNTY IN NORTH CENTRAL OHIO * UNTIL 955 PM EDT * AT 850 PM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A POSSIBLE SEVERE THUNDERSTORM 5 MILES NORTH OF MOUNT VERNON MOVING SOUTHEAST AT 25 MPH. * THE SEVERE THUNDESTORM WILL MOVE NEAR... HOWARD DANVILLE PIPESVILLE .SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS AND LARGE HAIL. GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS! .KIELTYKA \
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 19, 8:05 PM EDT, 48 minutes before
OHZ017-027>032-036>038-047-200155- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CLEVELAND OH 805 PM EDT TUE MAY 19 1998 A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR A PORTION OF NORTHERN OHIO UNTIL 1 AM EDT. THE WATCH AREA IS ALONG AND TO THE SOUTH OF A LINE FROM FINDLAY TO CANTON. SOME CITIES INCLUDED IN THE WATCH AREA...IN ADDITION TO FINDLAY AND CANTON...ARE UPPER SANDUSKY...MANSFIELD...ASHLAND...WOOSTER MARION AND MOUNT VERNON. SEVERE WEATHER...MOST LIKELY IN THE FORM OF DAMAGING WIND OR LARGE HAIL...WILL BE POSSIBLE ACROSS THE WESTERN SECTIONS OF THE WATCH AREA BY 9 PM. STAY TUNED TO NOAA WEATHER RADIO...LOCAL RADIO OR TELEVISION...OR CABLE TELEVISION FOR THE LATEST WEATHER INFORMATION.
Special weather statement, May 19, 8:05 PM EDT, 48 minutes before
OHZ017-027>032-036>038-047-200155- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CLEVELAND OH 805 PM EDT TUE MAY 19 1998 A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR A PORTION OF NORTHERN OHIO UNTIL 1 AM EDT. THE WATCH AREA IS ALONG AND TO THE SOUTH OF A LINE FROM FINDLAY TO CANTON. SOME CITIES INCLUDED IN THE WATCH AREA...IN ADDITION TO FINDLAY AND CANTON...ARE UPPER SANDUSKY...MANSFIELD...ASHLAND...WOOSTER MARION AND MOUNT VERNON. SEVERE WEATHER...MOST LIKELY IN THE FORM OF DAMAGING WIND OR LARGE HAIL...WILL BE POSSIBLE ACROSS THE WESTERN SECTIONS OF THE WATCH AREA BY 9 PM. STAY TUNED TO NOAA WEATHER RADIO...LOCAL RADIO OR TELEVISION...OR CABLE TELEVISION 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 19, 8:33 PM EDT | Severe Thunderstorm Warning | CLE | Marion | 47 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.