Alert archive / Ohio / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 87, NWS Wilmington, OH
NWS Wilmington, OH issued this severe thunderstorm warning at May 24, 1998, 5:28 PM EDT for Hamilton County, Ohio. It was in force for 42 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 24, 1998, 5:28 PM EDT (21:28 UTC)
- Expired
- May 24, 1998, 6:10 PM EDT
- In force
- 42 min
- Issued by
- NWS Wilmington, OH
- Area
- Whole counties
County Hamilton County, OH
The radar
The Cincinnati radar (KILN), 67 km from the middle of the area, began a volume at 21:32 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 24, 5:30 PM EDT | Hail 0.75 | Dent, 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 24, 2:30 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 12:00Z, 9.5 hours before the alert went out and 69 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
- 8 J/kg
- Mixed-layer CIN
- -197 J/kg
- Mixed-layer LCL
- 638 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 87 m²/s²
- 0-3 km storm-relative helicity
- 117 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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 Wilmington, OH wrote its last area forecast discussion before this severe thunderstorm warning went out at May 24, 3:01 PM EDT, 2 hours 27 minutes earlier.
Area forecast discussion, May 24, 3:01 PM EDT, 2 hours 27 minutes before
FORECAST COORDINATION MESSAGE NATIONAL WEATHER SERVICE WILMINGTON OH 301 PM EDT SUN MAY 24 1998 NO TIME FOR DISCUSSION BUT WL DO PHONE COORD. SANDLER
In the hours before
Special weather statement, May 24, 12:43 PM EDT, 4 hours 45 minutes before
INZ050-058-059-073>075-080-KYZ089>100-OHZ060>065- 070>074-077>079-081-088-250400- SPECIAL WEATHER STATEMENT ...CORRECTED FOR EXPIRATION TIME... NATIONAL WEATHER SERVICE WILMINGTON OH 1235 PM EDT (1135 AM EST) SUN MAY 24 1998 ...SEVERE THUNDERSTORMS ARE POSSIBLE ACROSS SOUTHERN OHIO - NORTHERN KENTUCKY AND SOUTHEAST INDIANA THIS AFTERNOON AND EVENING... A SLOWLY MOVING WARM FRONT LOCATED JUST SOUTH OF INDIANAPOLIS AND CINCINNATI EARLY THIS AFTERNOON WILL BE THE FOCUS FOR SEVERE THUNDERSTORMS ACROSS THE OHIO VALLEY THIS AFTERNOON AND EVENING. THE CENTER OF A LOW PRESSURE SYSTEM IS FORECAST TO MOVE FROM BLOOMINGTON INDIANA EARLY THIS AFTERNOON TO THE WHITEWATER VALLEY OF INDIANA BY EVENING. AS THE LOW PRESSURE CENTER MOVES NORTHEAST IT WILL SEND THE WARM FRONT INTO EAST CENTRAL INDIANA AND SOUTHERN OHIO DURING THE AFTERNOON AND EVENING. THE AIR WILL BECOME WARM AND VERY UNSTABLE NEAR AND SOUTH OF THE FRONT AS EVIDENCED...IN PART...BY THE HIGH HUMIDITY THAT WILL PUSH NORTHWARD BEHIND THE FRONT. THERE WILL ALSO BE PERIODS OF SUNSHINE THAT WILL HELP TEMPERATURES RISE. THESE CONDITIONS ARE EXPECTED TO RESULT IN THUNDERSTORM DEVELOPMENT...AND SOME OF THESE STORMS COULD BE SEVERE. DAMAGING WINDS AND LARGE HAIL ARE THE MAIN THREATS. STAY TUNED TO NOAA WEATHER RADIO FOR THE LATEST INFORMATION AND SHORT TERM FORECASTS FROM YOUR NATIONAL WEATHER SERVICE. SANDLER
Special weather statement, May 24, 2:31 PM EDT, 2 hours 57 minutes before
INZ066-073>075-080-KYZ089>100-OHZ063-064-070>074-077>082-088-250020- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILMINGTON OH 230 PM EDT (130 PM EST) SUN MAY 24 1998 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 8 PM EDT (7 PM EST) FOR NORTHERN KENTUCKY - SOUTHEAST INDIANA - AND SOUTHERN OHIO... A WARM FRONT NEAR THE OHIO RIVER WAS INTERACTING WITH A WARM AND VERY UNSTABLE AIRMASS ACROSS THE OHIO VALLEY. THESE CONDITIONS WILL RESULT IN THUNDERSTORM DEVELOPMENT WITH SOME SEVERE STORMS CONTAINING LARGE HAIL AND DAMAGING WINDS. THE FOCUS FOR SEVERE STORMS WILL BE ACROSS NORTHERN KENTUCKY... SOUTHEAST INDIANA...AND SOUTHERN OHIO. A FEW CITIES IN THE WATCH AREA ARE CINCINNATI...WILMINGTON...PORTSMOUTH...BROOKVILLE...RISING SUN...DRY RIDGE...AND MAYSVILLE. LISTEN TO NOAA WEATHER RADIO FOR FURTHER STATEMENTS AND POSSIBLE WARNINGS. AMATEUR RADIO SKYWARN SPOTTERS SHOULD BE PREPARED FOR ACTIVATION. SANDLER
Local storm report, May 24, 4:49 PM EDT, 39 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
449 PM EDT SUN MAY 24 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0443 PM CINCINNATI OH 1 INCH HAIL
05/24/98 HAMILTON WEST SIDE OF CINCINNATILocal storm report, May 24, 5:00 PM EDT, 28 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
500 PM EDT SUN MAY 24 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0459 PM WEST PORTSMOUTH OH 1 INCH HAIL
05/24/98 SCIOTOLocal storm report, May 24, 5:00 PM EDT, 28 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
500 PM EDT SUN MAY 24 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0459 PM WEST PORTSMOUTH OH 1 INCH HAIL
05/24/98 SCIOTOLocal storm report, May 24, 5:04 PM EDT, 24 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
504 PM EDT SUN MAY 24 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0503 PM CINCINNATI OH 1.75 INCH HAIL
05/24/98 HAMILTON GOLFBALL SIZE HAIL
DOWNTOWN CINCINNATIThe office that day
Everything else NWS Wilmington, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 24, 8:53 AM EDT | Severe Thunderstorm Warning | ILN | Warren | 47 min |
| May 24, 9:02 AM EDT | Severe Thunderstorm Warning | ILN | Preble | 58 min |
| May 24, 9:45 AM EDT | Severe Thunderstorm Warning | ILN | Warren | 45 min |
| May 24, 4:38 PM EDT | Severe Thunderstorm Warning | ILN | Hamilton | 47 min |
| May 24, 4:49 PM EDT | Severe Thunderstorm Warning | ILN | Scioto | 61 min |
| May 24, 5:35 PM EDT | Flash Flood Warning | ILN | Hamilton | 2 hr |
| May 24, 6:03 PM EDT | Severe Thunderstorm Warning | ILN | Clermont | 42 min |
| May 24, 3:04 PM EDT | Severe Thunderstorm Warning | ILN | Lewis | 41 min |
| May 24, 5:05 PM EDT | Severe Thunderstorm Warning | ILN | Campbell | 35 min |
| May 24, 5:50 PM EDT | Severe Thunderstorm Warning | ILN | Mason | 50 min |
| May 24, 5:53 PM EDT | Severe Thunderstorm Warning | ILN | Campbell | 47 min |
| May 24, 8:19 AM EDT | Severe Thunderstorm Warning | ILN | Wayne | 51 min |
| May 24, 9:22 AM EDT | Severe Thunderstorm Warning | ILN | Wayne | 58 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.