Alert archive / Ohio / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 118, NWS Wilmington, OH
NWS Wilmington, OH issued this severe thunderstorm warning at Jul 9, 1997, 1:59 AM EDT for Logan County, Ohio. It was in force for 36 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 9, 1997, 1:59 AM EDT (05:59 UTC)
- Expired
- Jul 9, 1997, 2:35 AM EDT
- In force
- 36 min
- Issued by
- NWS Wilmington, OH
- Area
- Whole counties
County Logan County, OH
The radar
The Cincinnati radar (KILN), 108 km from the middle of the area, began a volume at 06:08 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.
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 8, 9:00 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 00:00Z, 6.0 hours before the alert went out and 107 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
- 702 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 1294 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 39 m²/s²
- 0-3 km storm-relative helicity
- 92 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.1
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 8, 9:37 PM EDT, 4 hours 22 minutes earlier.
Area forecast discussion, Jul 8, 9:37 PM EDT, 4 hours 22 minutes before
FORECAST COORDINATION MESSAGE NATIONAL WEATHER SERVICE WILMINGTON OH 935 PM EDT TUE JUL 8 1997 00Z SFC ANLYS SHWG LOW PRES OVR SE MI WITH CDFNT TRAILING BACK ACRS NRN IND. BEST UPR LVL DYNAMICS ACRS NRN FA THIS EVNG IN RRQ OF 2H JET WITH ADAP CHARTS AND RUM DATA INDCTDG BEST CONV ACRS NRN IND. SFC DWPTS FAIRLY HIGH ACRS AREA WITH READINGS IN THE MID TO UPR 60S AND ILN 00Z RAOB MARGINALLY TO MODERATELY UNSTBL WITH LI OF -4 AND CAPE OF ARND 1300. LLVL CONV PROGD TO WKN THRU TNGT AS FNT DRPS S ACRS FA. IN ADDITION...BEST UPR LVL DIVG SHUD SHIFT E OF FA WITH UPR LVL JET. THUS WUD XPCT TSTMS TO WKN AS THEY DROP SE THRU THIS EVNG AND DURG OVRNGT HRS. BEST CHC FOR SVR WL LIKELY BE ACRS LIMA AREA IN AREA CLOSEST TO CRNT ACTVTY. LIKELY POPS STILL LUK GOOD FOR NRN HALF OF FA TNGT WITH CHC POPS ACRS SRN HALF FA BUT TSTMS WL BE SLOW TO MOV S. CRNT TIMING WUD NOT BRING PCPN INTO DAY AND CMH AREAS TIL 2 OR 3 AM AND INTO CINCI AREA LATE TNGT...SOMETIME AFTER 4 AM. DWPTS SHUD RMN UP FOR MOST OF NGT SO CRNT LOW TMP FCST OF MID TO UPR 60S RSNBL ACRS FA. LOTT
In the hours before
Local storm report, Jul 8, 10:19 PM EDT, 3 hours 40 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
1017 PM EDT TUE JUL 08 1997
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1010 PM LEIPSIC OH 60 MPH TSTM GUST
07/08/97 PUTNAMLocal storm report, Jul 8, 11:59 PM EDT, 2 hours before
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</html>Local storm report, Jul 9, 12:01 AM EDT, 1 hour 58 minutes before
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</html>Local storm report, Jul 9, 12:10 AM EDT, 1 hour 49 minutes before
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</html>Local storm report, Jul 9, 12:12 AM EDT, 1 hour 47 minutes before
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</html>Local storm report, Jul 9, 12:44 AM EDT, 1 hour 15 minutes before
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</html>The office that day
Everything else NWS Wilmington, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 8, 9:31 PM EDT | Severe Thunderstorm Warning | ILN | Paulding | 59 min |
| Jul 8, 9:57 PM EDT | Severe Thunderstorm Warning | ILN | Putnam | 58 min |
| Jul 8, 10:46 PM EDT | Flash Flood Warning | ILN | Putnam | 119 min |
| Jul 8, 11:06 PM EDT | Flash Flood Warning | ILN | Paulding | 119 min |
| Jul 9, 12:02 AM EDT | Severe Thunderstorm Warning | ILN | Putnam | 58 min |
| Jul 9, 12:15 AM EDT | Severe Thunderstorm Warning | ILN | Allen | 45 min |
| Jul 9, 12:40 AM EDT | Severe Thunderstorm Warning | ILN | Hardin | 45 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.