Alert archive / Ohio / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 129, NWS Wilmington, OH
NWS Wilmington, OH issued this severe thunderstorm warning at Jul 18, 1997, 6:35 PM EDT for Hardin County, Ohio. It was in force for 50 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
- Jul 18, 1997, 6:35 PM EDT (22:35 UTC)
- Expired
- Jul 18, 1997, 7:25 PM EDT
- In force
- 50 min
- Issued by
- NWS Wilmington, OH
- Area
- Whole counties
County Hardin County, OH
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 18, 6:36 PM EDT | Thunderstorm Wind 50 | Ada, OH | Trees and power lines 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 |
|---|---|---|---|
| Jul 18, 5:30 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 12:00Z, 10.6 hours before the alert went out and 138 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
- 772 J/kg
- Mixed-layer CIN
- -47 J/kg
- Mixed-layer LCL
- 1164 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 28 m²/s²
- 0-3 km storm-relative helicity
- 25 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KILN 182238 RRA SVRILN OHC065-182325- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE WILMINGTON OH 635 PM EDT FRI JUL 18 1997 THE NATIONAL WEATHER SERVICE IN WILMINGTON OH HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 725 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN WEST CENTRAL OHIO ...HARDIN COUNTY AT 635 PM EDT WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM IN EASTERN ALLEN COUNTY. THE STORM WAS MOVING EAST AT 30 MPH. THIS STORM DOWNED TREES IN ALLEN COUNTY AROUND 615 PM EDT. TOWNS IN THE PATH OF THIS STORM INCLUDE ADA...ALGER AND KENTON. IT IS DANGEROUS TO BE OUTDOORS WHILE A SEVERE THUNDERSTORM IS IN PROGRESS. DAMAGING WINDS...LARGE HAIL...VERY HEAVY RAIN...AND DEADLY LIGHTNING ARE ALL POSSIBLE. SEEK SHELTER IN A BUILDING OR A VEHICLE. IF YOU ARE CAUGHT IN THE OPEN...STAY AWAY FROM TOWERS AND LARGE TREES. CROUCH NEAR THE GROUND AND COVER YOUR HEAD. & PADGETT
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 Jul 18, 2:50 PM EDT, 3 hours 45 minutes earlier.
Area forecast discussion, Jul 18, 2:50 PM EDT, 3 hours 45 minutes before
FORECAST COORDINATION MESSAGE NATIONAL WEATHER SERVICE WILMINGTON OH 245 AM EDT FRI JUL 18 1997 SAT PIX SHW FNT MVNG INTO NRN OH...NRN IN...TRW FIRING JUST EAST OF OUR CWA AND ALSO NR ORD AREA IN NW IN. SVR TSTM WATCH 627 ISSUED...PROB WILL SEE US IN BOX ALG FNT LATER THIS AFT. LOOKING AT ETA DATA...AREA OF UPR DVRG AND THTA-E ADV JUST W OF LK ERIE AT 00Z. XPCT THIS AREA WILL BE AREA OF DVLPMENT THIS EVE...TRW SHUD MV SE GENERALLY MISSING OUR CWA TO THE EAST. SO FOR THE REST OF THE EVE WILL BE DEALING W/ TRW MVNG IN FROM NW. RIGHT NOW LOOKS LIKE CMH/DAY/LIMA/WHITEWATER VALLEY AREAS WILL NEED MENTION OF PRECIP FOR EVENING. CVG/PORTSMOUTH AREA CAPPED NICELY AS SEEN BY LACK OF CU. TONITE...FNT (WHATS LEFT OF IT) DROPS INTO CNTRL OH AND PRETTY WELL WASHES OUT BY 12Z SAT. SUGG CARRYING A 20% CHC FOR AREAS FROM RICHMOND/DAY/CMH SOUTH FOR THE TONITE PERIOD. SAT...LOOKS NICE. HUMIDITIES WILL FINALLY DROP SLIGHTLY AND TEMPS SHUD STAY BLW 90. ETA SHWG QUITE A BIT OF LLVL MOIST IN THE SOUTHWEST WHCIH CUD LEAD TO SM CU DVLPMENT AND MAYBE ISOLD RW?. WUD GO MOSTLY SUNNY NORTH/PARTLY CLOUDY SOUTH. TEMPS RIGHT NR MOS GUID. FARINA
In the hours before
Special weather statement, Jul 18, 6:10 PM EDT, 25 minutes before
INZ050-058-059-066-073-074-OHZ015-016-024>026-034-035-042>046- 051>056-060>065-070>074-190300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILMINGTON OH 611 PM EDT (511 PM EST) FRI JUL 18 1997 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR WEST CENTRAL AND CENTRAL OHIO...THE MIAMI VALLEY...THE WHITEWATER VALLEY AND PARTS OF SOUTHEAST INDIANA UNTIL 11 PM EDT(10 PM EST). THE STORM PREDICTION CENTER IN NORMAN OKLAHOMA HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR ALL OF WESTERN AND CENTRAL OHIO UNTIL 11 PM EDT(10 EST). CITIES IN THE WATCH AREA INCLUDE COLUMBUS...DAYTON ...LIMA...HAMILTON...WILMINGTON AND RICHMOND. STRONG TO SEVERE THUNDERSTORMS IN CENTRAL OHIO WILL CONTINUE TO SINK TO THE SOUTH THROUGH THE EARLY EVENING. ANOTHER BATCH OF STRONG TO SEVERE THUNDERSTORMS STRETCHING FROM VAN WERT COUNTY NORTHWESTWARD TO CHICAGO WILL MOVE TO THE SOUTHEAST INTO EASTERN INDIANA AND WESTERN OHIO THROUGH THE EVENING. THESE THUNDERSTORMS ARE OUT AHEAD OF A COLD FRONT DRAPPED FROM LAKE ERIE WESTWARD THROUGH NORTHERN ILLINOIS. THIS FRONT WILL PUSH INTO THE REGION THROUGH TONIGHT. THE THUNDERSTORMS OVER NORTHERN INDIANA AND ILLINOIS HAVE HAD A HISTORY OF LARGE HAIL AND WINDS IN EXCESS OF 70 MPH. REMEMBER...SEVERE THUNDERSTORMS PRODUCE LAGRE HAIL AND WINDS IN EXCESS OF 58 MPH...AS WELL AS TORRENTIAL RAIN AND DEADLY LIGHTNING KELLS
The office that day
Everything else NWS Wilmington, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 18, 5:09 PM EDT | Severe Thunderstorm Warning | ILN | Van Wert | 56 min |
| Jul 18, 5:17 PM EDT | Severe Thunderstorm Warning | ILN | Franklin | 58 min |
| Jul 18, 5:42 PM EDT | Severe Thunderstorm Warning | ILN | Allen | 53 min |
| Jul 18, 7:54 PM EDT | Severe Thunderstorm Warning | ILN | Delaware | 26 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.