Alert archive / Ohio / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 273, NWS Cleveland, OH
NWS Cleveland, OH issued this severe thunderstorm warning at Jun 30, 1998, 2:36 PM EDT for Lorain County, Ohio. It was in force for 64 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
- Jun 30, 1998, 2:36 PM EDT (18:36 UTC)
- Expired
- Jun 30, 1998, 3:40 PM EDT
- In force
- 64 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 18:36 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 30, 2:51 PM EDT | Hail 1.75 | Oberlin, OH | Large hail also fell at North Ridgeville (0.75"), Elyria (0.75") and Amherst (0.88"). |
| Jun 30, 3:02 PM EDT | Thunderstorm Wind 52 | Amherst, OH | A wind gust was estimated at 60 miles per hour. |
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
Detroit, MI (KDTX), launched 12:00Z, 6.6 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
- 776 J/kg
- Mixed-layer CIN
- -42 J/kg
- Mixed-layer LCL
- 897 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- -95 m²/s²
- 0-3 km storm-relative helicity
- -16 m²/s²
- Significant tornado parameter
- -0.3
- Supercell composite
- -2.1
The text
As transmitted, in the capitals the NWS used until 2016.
522 WUUS1 KCLE 301835 RRA SVRCLE OHC093-301940- BULLETIN - EAS ACTIVATION/IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE CLEVELAND OH 236 PM EDT TUE JUN 30 1998 THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... LORAIN COUNTY IN NORTHEASTERN OHIO * UNTIL 340 PM EDT * AT 235 PM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES EAST OF SANDUSKY MOVING EAST AT 25 MPH. * THE SEVERE THUNDERSTORM WILL MOVE NEAR... VERMILION LORAIN AVON AND ADJACENT COASTAL WATERS SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS AND LARGE HAIL. GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS MILLER
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.
NWS Cleveland, OH wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 30, 3:03 AM EDT, 11 hours 33 minutes earlier.
Area forecast discussion, Jun 30, 3:03 AM EDT, 11 hours 33 minutes before
FORECAST COORDINATION MESSAGE NATIONAL WEATHER SERVICE WILMINGTON OH 303 AM EDT TUE JUN 30 1998 05Z SFC ANALYSIS INDICATED A CDFNT EXTENDING FM LHUR SW INTO SERN WI AND ERN IA. SCT TSRA HAVE DEVELOPED IN THE LAST FEW HRS ALONG THIS FEATURE WITH THE HELP OF AN ASSOCIATED H5 VORT MAX SEEN ON THE WV IMAGERY. TSRA HAS MOVD S AND E OF FA ATTM. BY 12Z MODELS SHOW A 950 MB JET AIMED IN WRN FA WITH DECENT MOISTURE CONVERGENCE AND H8 THTE ADVECTION. HIGH PRECIP EFFICIENCY VALUES WHICH MATCHED WELL WITH THE ONGOING ACTIVITY AT 06Z...ARE PROGD TO MOVE BACK N INTO FA IN RESPONSE TO THE APPROACHING CDFNT AND H5 VORT. THUS...IT SEEMS REASONABLE THAT TSRA WL DEVELOP BACK INTO FA AROUND 12Z. THIS ACTIVITY SHOULD CONTINUE IN A SCATTERED NATURE THROUGH MUCH OF THE DAY WITH AN EASTWARD TREND IN THE BACK EDGE OF THE TSRA. MODELS SHOW AN H8 THTE RIDGE INTO SRN FA AND THE PRESENCE OF DRY AIR AROUND 500 MB. WITH STRONG MID LVL WINDS AND WETBULB ZERO VALUES IN THE 9-10KFT RANGE...SVR TSRA ARE POSSIBLE. SUGGEST USING SVR WORKING SE OF CVG TO CMH. A FEW SPOTS COULD RECIEVE HEAVY RAINFALL BUT NOT WORTHY OF EXTENDING THE FLOOD WATCH INTO TODAY. TSRA SHOULD BE OVER BY TONIGHT LEAVING FA WITH ITS FIRST DRY NIGHT IN A WHILE TONIGHT. DRY AND COOLER ON WED. FOR THE 4TH...LOOKS LIKE CHC OF TSRA WITH TEMPS AROUND THE MID 80S. CVG 83/61/81 500 DAY 83/60/80 400 CMH 83/60/80 600 PMH 84/62/81 600 WILKINSON
The office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 29, 8:13 PM EDT | Flash Flood Warning | CLE | Holmes | 2 hr |
| Jun 29, 8:34 PM EDT | Tornado Warning | CLE | Holmes | 31 min |
| Jun 29, 10:47 PM EDT | Flash Flood Warning | CLE | Holmes | 7 hr |
| Jun 30, 10:56 AM EDT | Severe Thunderstorm Warning | CLE | Wood | 64 min |
| Jun 30, 11:03 AM EDT | Severe Thunderstorm Warning | CLE | Sandusky | 62 min |
| Jun 30, 11:58 AM EDT | Flash Flood Warning | CLE | Erie, Sandusky | 3 hr |
| Jun 30, 12:16 PM EDT | Severe Thunderstorm Warning | CLE | Huron, Lorain | 64 min |
| Jun 30, 12:32 PM EDT | Severe Thunderstorm Warning | CLE | Medina | 63 min |
| Jun 30, 1:02 PM EDT | Severe Thunderstorm Warning | CLE | Wayne | 63 min |
| Jun 30, 1:09 PM EDT | Severe Thunderstorm Warning | CLE | Summit | 66 min |
| Jun 30, 1:21 PM EDT | Tornado Warning | CLE | Summit | 64 min |
| Jun 30, 1:31 PM EDT | Severe Thunderstorm Warning | CLE | Stark | 64 min |
| Jun 30, 1:43 PM EDT | Tornado Warning | CLE | Stark | 67 min |
| Jun 30, 1:52 PM EDT | Severe Thunderstorm Warning | CLE | Mahoning | 63 min |
| Jun 30, 2:15 PM EDT | Severe Thunderstorm Warning | CLE | Wayne | 50 min |
| Jun 30, 2:21 PM EDT | Tornado Warning | CLE | Erie | 49 min |
| Jun 30, 2:27 PM EDT | Severe Thunderstorm Warning | CLE | Ottawa | 48 min |
| Jun 30, 3:08 PM EDT | Severe Thunderstorm Warning | CLE | Cuyahoga, Medina | 62 min |
| Jun 30, 3:31 PM EDT | Flash Flood Warning | CLE | Erie, Huron, Lorain | 3 hr |
| Jun 30, 3:46 PM EDT | Severe Thunderstorm Warning | CLE | Summit, Wayne | 64 min |
| Jun 30, 3:59 PM EDT | Severe Thunderstorm Warning | CLE | Stark | 66 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.