Alert archive / Ohio / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 57, NWS Wilmington, OH
NWS Wilmington, OH issued this severe thunderstorm warning at May 18, 1997, 4:19 PM EDT for Allen County, Ohio. It was in force for 41 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, 4:19 PM EDT (20:19 UTC)
- Expired
- May 18, 1997, 5:00 PM EDT
- In force
- 41 min
- Issued by
- NWS Wilmington, OH
- Area
- Whole counties
County Allen County, OH
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 18, 4:27 PM EDT | Thunderstorm Wind 60 | Lafayette, OH | Several barns were damaged or destroyed and numerous trees and power lines were downed. |
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, 2:30 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 12:00Z, 8.3 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
- 72 J/kg
- Mixed-layer CIN
- -147 J/kg
- Mixed-layer LCL
- 1311 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 114 m²/s²
- 0-3 km storm-relative helicity
- 133 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 18, 3:07 PM EDT, 1 hour 12 minutes earlier.
Area forecast discussion, May 18, 3:07 PM EDT, 1 hour 12 minutes before
FORECAST COORDINATION MESSAGE NATIONAL WEATHER SERVICE WILMINGTON OH 306 PM EDT SUN MAY 18 1997 TSRA DEVELOPING ACROSS FA THIS PM WITH SOME GOLFBALL SIZE HAIL REPORTED WITHIN LAST HALF HOUR IN HARDIN COUNTY NEAR ROUNDHEAD. XPCT STORMS TO CONTINUE TO DEVELOPING THIS PM INTO THE EVENING. SCT STORMS POSSIBLE THRU MON. SHOULD HAVE MORE CLOUDS TOMORROW SO INSTABILITY WL BE WEAKER....BUT ENUF FOR POSSIBLE SVR. CLE...WRK ZONES LOOK GOOD. WILKINSON,
In the hours before
Special weather statement, May 18, 10:22 AM EDT, 5 hours 57 minutes before
INZ050-058-059-066-073>075-080-KYZ089>100-OHZ015-016-024>026- 034-035-042>046-051>056-060>065-070>074-077>082-088-190000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILMINGTON OH 1021 AM EDT (921 AM EST) SUN MAY 18 1997 ...THERE IS A RISK OF SEVERE WEATHER THIS AFTERNOON AND EVENING ACROSS WEST CENTRAL OHIO...THE MIAMI AND WHITEWATER VALLEYS...CENTRAL AND SOUTHERN OHIO...AS WELL AS SOUTHEAST INDIANA AND NORTHERN KENTUCKY... THE STORM PREDICTION CENTER IN KANSAS CITY ADVISES THAT SEVERE WEATHER IS POSSIBLE TODAY ACROSS THE OHIO VALLEY REGION. THE RISK OF SEVERE WEATHER WILL ALSO LAST INTO TONIGHT AND POSSIBLY MONDAY MORNING. DAMAGING WINDS AND LARGE HAIL ARE POSSIBLE IN THUNDERSTORMS TODAY. THE GREATEST RISK OF SEVERE WEATHER WILL BE OVER WEST CENTRAL OHIO...AND THE MIAMI AND WHITEWATER VALLEYS. STAY TUNED TO NOAA WEATHER RADIO THROUGHOUT THE DAY FOR THE LATEST INFORMATION AND UPDATES FROM THE NATIONAL WEATHER SERVICE. THE THUNDERSTORMS FORECASTED FOR TODAY ARE THE RESULT OF WARM MOIST AIR MOVING INTO THE REGION. A SOUTHWESTERLY FLOW OF AIR AHEAD OF A PLAINS COLD FRONT WILL BRING THE UNSTABLE AIR IN. THE COLD FRONT WILL MOVE ACROSS THE REGION ON MONDAY CONTINUING THE THREAT FOR SEVERE WEATHER. SPOTTERS AND AMATEUR RADIO OPERATORS MAY NEED TO BE ACTIVATED THIS AFTERNOON AND TONIGHT. WILKINSON
Special weather statement, May 18, 2:35 PM EDT, 1 hour 44 minutes before
INZ050-OHZ015-016-024>026-034-035-042-044-045-051>054-060>062-190300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILMINGTON OH 234 PM EDT (134 PM EST) SUN MAY 18 1997 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR PARTS OF EAST-CENTRAL INDIANA AND MUCH OF WESTERN OHIO... SOME CITIES IN THE WATCH AREA INCLUDE DAYTON...SPRINGFIELD AND LIMA. VERY UNSTABLE CONDITIONS HAVE DEVELOPED ACROSS THE WATCH AREA THIS AFTERNOON. A STRONG UPPER LEVEL SYSTEM APPROACHING THE AREA WILL HELP THUNDERSTORMS THAT WERE DEVELOPING THIS AFTERNOON TO QUICKLY BECOME SEVERE. THESE STORMS WILL BE CAPABLE OF PRODUCING WIND DAMAGE AND LARGE HAIL. STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER UPDATES. WILKINSON
Local storm report, May 18, 3:17 PM EDT, 1 hour 2 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OH
315 PM EDT SUN MAY 18 1997
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0250 PPM ROUNDHEAD OH 1.75 INCH HAIL
05/18/97 HARDINSpecial weather statement, May 18, 3:30 PM EDT, 49 minutes before
INZ050-OHZ015-016-024>026-034-035-042-044-045-051>056-060>062- 064-065-190200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILMINGTON OH 330 PM EDT SUN MAY 18 1997 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR PARTS OF WESTERN AND CENTRAL OHIO... A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR PARTS OF CENTRAL OHIO UNTIL 10 PM EDT. COLUMBUS IS INCLUDED IN THIS WATCH. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR WEST CENTRAL OHIO AND THE MIAMI VALLEY UNTIL 8 PM EDT. SOME CITIES INCLUDED IN THIS WATCH AREA INCLUDE DAYTON...SPRINGFIELD AND LIMA. VERY UNSTABLE CONDITIONS HAVE DEVELOPED ACROSS THE AREA THIS AFTERNOON. A STRONG UPPER LEVEL SYSTEM APPROACHING THE AREA WILL HELP THUNDERSTORMS THAT WERE DEVELOPING THIS AFTERNOON TO QUICKLY BECOME SEVERE. THESE STORMS WILL BE CAPABLE OF PRODUCING WIND DAMAGE AND LARGE HAIL. STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER UPDATES. LOTT
Special weather statement, May 18, 3:34 PM EDT, 45 minutes before
INZ050-OHZ015-016-024>026-034-035-042-044-045-051>056-060>062- 064-065-190200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILMINGTON OH 330 PM EDT SUN MAY 18 1997 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR PARTS OF WESTERN AND CENTRAL OHIO... A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR PARTS OF CENTRAL OHIO UNTIL 10 PM EDT. COLUMBUS IS INCLUDED IN THIS WATCH. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR WEST CENTRAL OHIO AND THE MIAMI VALLEY UNTIL 8 PM EDT. SOME CITIES INCLUDED IN THIS WATCH AREA INCLUDE DAYTON...SPRINGFIELD AND LIMA. VERY UNSTABLE CONDITIONS HAVE DEVELOPED ACROSS THE AREA THIS AFTERNOON. A STRONG UPPER LEVEL SYSTEM APPROACHING THE AREA WILL HELP THUNDERSTORMS THAT WERE DEVELOPING THIS AFTERNOON TO QUICKLY BECOME SEVERE. THESE STORMS WILL BE CAPABLE OF PRODUCING WIND DAMAGE AND LARGE HAIL. STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER UPDATES. LOTT
The office that day
Everything else NWS Wilmington, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 18, 3:12 AM EDT | Severe Thunderstorm Warning | ILN | Auglaize | 43 min |
| May 18, 4:13 AM EDT | Severe Thunderstorm Warning | ILN | Delaware | 42 min |
| May 18, 5:11 AM EDT | Severe Thunderstorm Warning | ILN | Delaware | 44 min |
| May 18, 2:23 PM EDT | Severe Thunderstorm Warning | ILN | Auglaize | 37 min |
| May 18, 2:46 PM EDT | Severe Thunderstorm Warning | ILN | Allen, Hardin | 29 min |
| May 18, 5:00 PM EDT | Severe Thunderstorm Warning | ILN | Clark | 30 min |
| May 18, 5:18 PM EDT | Severe Thunderstorm Warning | ILN | Champaign | 27 min |
| May 18, 5:32 PM EDT | Severe Thunderstorm Warning | ILN | Madison, Union | 28 min |
| May 18, 5:44 PM EDT | Severe Thunderstorm Warning | ILN | Delaware | 46 min |
| May 18, 6:07 PM EDT | Severe Thunderstorm Warning | ILN | Franklin | 38 min |
| May 18, 6:26 PM EDT | Severe Thunderstorm Warning | ILN | Fairfield, Licking | 34 min |
| May 18, 6:31 PM EDT | Severe Thunderstorm Warning | ILN | Scioto | 44 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.