Alert archive / Ohio / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 128, NWS Wilmington, OH
NWS Wilmington, OH issued this severe thunderstorm warning at Jul 18, 1997, 5:42 PM EDT for Allen County, Ohio. It was in force for 53 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, 5:42 PM EDT (21:42 UTC)
- Expired
- Jul 18, 1997, 6:35 PM EDT
- In force
- 53 min
- Issued by
- NWS Wilmington, OH
- Area
- Whole counties
County Allen County, OH
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 18, 6:15 PM EDT | Thunderstorm Wind 60 | Countywide, OH | Two campers were overturned, a barn was damaged, 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 |
|---|---|---|---|
| Jul 18, 5:30 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 12:00Z, 9.7 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
- 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
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 Jul 18, 2:50 PM EDT, 2 hours 52 minutes earlier.
Area forecast discussion, Jul 18, 2:50 PM EDT, 2 hours 52 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
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, 6:35 PM EDT | Severe Thunderstorm Warning | ILN | Hardin | 50 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.