Alert archive / Ohio / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 39, NWS Wilmington, OH
NWS Wilmington, OH issued this severe thunderstorm warning at May 13, 1998, 5:20 PM EDT for Butler County, Ohio. It was in force for 60 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 13, 1998, 5:20 PM EDT (21:20 UTC)
- Expired
- May 13, 1998, 6:20 PM EDT
- In force
- 60 min
- Issued by
- NWS Wilmington, OH
- Area
- Whole counties
County Butler County, OH
The radar
The Cincinnati radar (KILN), 65 km from the middle of the area, began a volume at 21:22 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 13, 5:30 PM EDT | Hail 1.75 | Trenton, 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 13, 4:15 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 12:00Z, 9.3 hours before the alert went out and 67 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1356 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 206 m²/s²
- 0-3 km storm-relative helicity
- 227 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted, in the capitals the NWS used until 2016.
581
WUUS01 KILN 132122 RRA
SVRILN
OHC017-132220-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
520 PM EDT WED MAY 13 1998
THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A
*SEVERE THUNDERSTORM WARNING FOR...
BUTLER COUNTY IN SOUTHWESTERN OHIO.
* EFFECTIVE UNTIL 620 PM EDT.
* AT 520 PM EDT... DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM IN
THE VICINITY OF MIDDLETOWN MOVING SOUTHEAST AT 15 MPH. THE MAIN
THREAT FROM THIS STORM IS LARGE HAIL.
* SOME LOCATIONS AFFECTED...
MONROE BY 530 PM EDT..
I-75 AT MILE MARKER 25 BY 543 PM EDT..
THIS THUNDERSTORM IS CAPABLE OF PRODUCING EXTREMELY LARGE HAIL
WHICH MAY CAUSE SEVERE DAMAGE TO PROPERTY AND SERIOUS INJURY.
SANDLERWhat 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 13, 3:04 PM EDT, 2 hours 16 minutes earlier.
Area forecast discussion, May 13, 3:04 PM EDT, 2 hours 16 minutes before
FORECAST COORDINATION MESSAGE NATIONAL WEATHER SERVICE WILMINGTON OH 300 PM EDT WED MAY 12 1998 MODELS ALL SHOW AN INCRG AMPLITUDE RIDGE DOMINATG OUR WX THIS FCST PD. SHORTWAVE ENERGY DIGG THE DEEP LOW IN THE WEST WL BREAK DOWN THE WRN END OF THE RIDGE AS IT MOVES INTO THE PLAINS. MUCH OF THE PCPN GENERATED IN THIS AREA WL MOVE NE IN THE PREVAILG FLOW INTO THE UPPER MISS VLY/ WRN GT LKS RGN. BELIEVE RIDGE WL PROVIDE PROTECTION THU INTO FRI BUT COULD BE A SMALL THREAT ON FRI ACROSS NW OH IN RETURN FLOW. IN THE NR TERM THE WX IS INTERESTG. MANY PARAMETERS IN SYNC LT THIS AFTN INTO THIS EVENG ACROSS WRN OH/N KY/ERN IN FOR TSRA WITH A FEW SVR STORMS. LIMTG FACTORS TO ORGANIZATION IS WEAK WIND SHEAR AND WEAK BNDRY WITH LESS THAN 10 KTS OF SFC FLOW. FNT/BNDRY LOSES DEFINITION ACROSS FAR SRN IN. FNT LOOKS TO BE NR IND THIS PAST HR AND LARGE CU FIELD SHOWG UP ON SAT ACROSS CNTRL IN IS BECMG MORE CONVECTIVE LOOKG. DWPTS DO NOT DROP OFF SIGNIFICANTLY UNTIL THE IN-IL BORDER. HAVE ALREADY HAD 1/2 INCH HAIL RPT EARLY THIS AFTN W OF DAY. XPCT MORE DVLPMENT DURG THE NEXT FEW HRS IN HIGH CAPE ENV. NEED CHC TSRA EARLY TNGT FOR ALL AREAS...OTHERWISE WL GO WITH A DRY FCST AT THIS PT TRYG TO HOLD OFF PCPN INTO FRI WITH PROTECTIVE RIDGE. FAN AND FWC TEMPS DEPART ON FRI WITH FWC WARMER. HAVE GONE CLOSER TO COOLER FAN ON FRI WITH AT LEAST DEBRIS CLD CVR XPCTD ESP IN THE W. SANDLER
In the hours before
Local storm report, May 13, 3:48 PM EDT, 1 hour 32 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
348 PM EDT WED MAY 13 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0325 PM MECHANICSBURG OH .88 INCH HAIL
05/13/98 CHAMPAIGN NICKEL SIZE HAIL REPORTED
BY COUNTY ROAD CREW IN
MECHANICSBURG.
DANGELOLocal storm report, May 13, 3:48 PM EDT, 1 hour 32 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
348 PM EDT WED MAY 13 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0325 PM MECHANICSBURG OH .88 INCH HAIL
05/13/98 CHAMPAIGN NICKEL SIZE HAIL REPORTED
BY COUNTY ROAD CREW IN
MECHANICSBURG.
DANGELOSpecial weather statement, May 13, 4:35 PM EDT, 45 minutes before
OHZ015-016-024>026-034-035-042>046-051>056-060>065-070>074-077>082- 088-INZ050-058-059-066-073>075-080-KYZ089>100-140200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILMINGTON OH 335 PM EST WED MAY 13 1998 ...SEVERE THUNDERSTORM WATCH IS IN AFFECT UNTIL 10 PM EDT FOR PORTIONS OF WEST-CENTRAL...CENTRAL...SOUTHWEST...SOUTHEAST OHIO...SOUTHEAST INDIANA AND NORTHERN KENTUCKY... THE STORMS PREDICTION CENTER IN NORMAN OKLAHOMA HAS INDICATED THAT SEVERE THUNDERSTORMS ARE POSSIBLE IN THE AFFECTED WATCH AREA THROUGH EARLY TONIGHT. SOME OF THE TOWNS IN THE WATCH AREA INCLUDE CINCINNATI...COLUMBUS...DAYTON AND PORTSMOUTH. THE COUPLING OF A WEAK FRONTAL BOUNDARY THAT WILL MOVE SLOWLY ACROSS THIS AREA AND SURFACE AIR THAT IS VERY UNSTABLE WILL HELP INITIATE SEVERE THUNDERSTORMS THROUGH THIS EVENING. LARGE HAIL AND DAMAGING WINDS ARE POSSIBLE WITH SOME OF THESE STORMS. PLEASE STAY TUNED TO NOAA WEATHER RADIO AND LOCAL MEDIA FOR FURTHER UPDATES. SKYWARN SPOTTER NETWORKS WILL BE ACTIVATED. DISTEFANO
Special weather statement, May 13, 4:35 PM EDT, 45 minutes before
OHZ015-016-024>026-034-035-042>046-051>056-060>065-070>074-077>082- 088-INZ050-058-059-066-073>075-080-KYZ089>100-140200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILMINGTON OH 335 PM EST WED MAY 13 1998 ...SEVERE THUNDERSTORM WATCH IS IN AFFECT UNTIL 10 PM EDT FOR PORTIONS OF WEST-CENTRAL...CENTRAL...SOUTHWEST...SOUTHEAST OHIO...SOUTHEAST INDIANA AND NORTHERN KENTUCKY... THE STORMS PREDICTION CENTER IN NORMAN OKLAHOMA HAS INDICATED THAT SEVERE THUNDERSTORMS ARE POSSIBLE IN THE AFFECTED WATCH AREA THROUGH EARLY TONIGHT. SOME OF THE TOWNS IN THE WATCH AREA INCLUDE CINCINNATI...COLUMBUS...DAYTON AND PORTSMOUTH. THE COUPLING OF A WEAK FRONTAL BOUNDARY THAT WILL MOVE SLOWLY ACROSS THIS AREA AND SURFACE AIR THAT IS VERY UNSTABLE WILL HELP INITIATE SEVERE THUNDERSTORMS THROUGH THIS EVENING. LARGE HAIL AND DAMAGING WINDS ARE POSSIBLE WITH SOME OF THESE STORMS. PLEASE STAY TUNED TO NOAA WEATHER RADIO AND LOCAL MEDIA FOR FURTHER UPDATES. SKYWARN SPOTTER NETWORKS WILL BE ACTIVATED. DISTEFANO
Local storm report, May 13, 4:37 PM EDT, 43 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
437 PM EDT WED MAY 13 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0426 PM LONDON OH 1.50 INCH HAIL
05/13/98 MADISON COVERING THE GROUND
SHARTRANLocal storm report, May 13, 4:37 PM EDT, 43 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
437 PM EDT WED MAY 13 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0426 PM LONDON OH 1.50 INCH HAIL
05/13/98 MADISON COVERING THE GROUND
SHARTRANThe office that day
Everything else NWS Wilmington, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 13, 3:02 PM EDT | Severe Thunderstorm Warning | ILN | Champaign | 48 min |
| May 13, 3:23 PM EDT | Severe Thunderstorm Warning | ILN | Madison | 57 min |
| May 13, 4:18 PM EDT | Severe Thunderstorm Warning | ILN | Clark | 32 min |
| May 13, 4:22 PM EDT | Severe Thunderstorm Warning | ILN | Madison | 63 min |
| May 13, 5:04 PM EDT | Severe Thunderstorm Warning | ILN | Fayette | 56 min |
| May 13, 5:24 PM EDT | Severe Thunderstorm Warning | ILN | Greene | 61 min |
| May 13, 5:41 PM EDT | Severe Thunderstorm Warning | ILN | Warren | 64 min |
| May 13, 5:48 PM EDT | Severe Thunderstorm Warning | ILN | Fayette | 62 min |
| May 13, 5:53 PM EDT | Severe Thunderstorm Warning | ILN | Clinton | 62 min |
| May 13, 5:57 PM EDT | Severe Thunderstorm Warning | ILN | Miami | 63 min |
| May 13, 6:05 PM EDT | Severe Thunderstorm Warning | ILN | Clark | 65 min |
| May 13, 6:27 PM EDT | Severe Thunderstorm Warning | ILN | Clermont | 63 min |
| May 13, 6:40 PM EDT | Severe Thunderstorm Warning | ILN | Highland | 60 min |
| May 13, 6:42 PM EDT | Severe Thunderstorm Warning | ILN | Montgomery | 63 min |
| May 13, 6:50 PM EDT | Severe Thunderstorm Warning | ILN | Fayette | 35 min |
| May 13, 6:59 PM EDT | Severe Thunderstorm Warning | ILN | Brown | 66 min |
| May 13, 7:26 PM EDT | Severe Thunderstorm Warning | ILN | Clermont | 64 min |
| May 13, 7:38 PM EDT | Severe Thunderstorm Warning | ILN | Highland | 47 min |
| May 13, 7:51 PM EDT | Severe Thunderstorm Warning | ILN | Clinton | 64 min |
| May 13, 7:58 PM EDT | Severe Thunderstorm Warning | ILN | Brown | 62 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.