Alert archive / Ohio / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 154, NWS Wilmington, OH
NWS Wilmington, OH issued this severe thunderstorm warning at Jul 27, 1997, 6:36 PM EDT for Delaware County, Ohio. It was in force for 49 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 27, 1997, 6:36 PM EDT (22:36 UTC)
- Expired
- Jul 27, 1997, 7:25 PM EDT
- In force
- 49 min
- Issued by
- NWS Wilmington, OH
- Area
- Whole counties
County Delaware County, OH
The radar
The Cincinnati radar (KILN), 118 km from the middle of the area, began a volume at 22:36 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 |
|---|---|---|---|
| Jul 27, 7:00 PM EDT | Thunderstorm Wind 50 | Lewis Center, OH | Trees and power lines. |
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 27, 3:30 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 12:00Z, 10.6 hours before the alert went out and 116 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
- 2569 J/kg
- Mixed-layer CIN
- -72 J/kg
- Mixed-layer LCL
- 889 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 148 m²/s²
- 0-3 km storm-relative helicity
- 133 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 9.5
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 27, 2:50 PM EDT, 3 hours 46 minutes earlier.
Area forecast discussion, Jul 27, 2:50 PM EDT, 3 hours 46 minutes before
FORECAST COORDINATION MESSAGE NATIONAL WEATHER SERVICE WILMINGTON OH 250 PM EDT SUN JUL 27 1997 LTST SFC ANLYS SHWG CDFNT FM SE NB THRU CNTL IA INTO NRN WI DEWPT BNDRY ACRS ERN OH AND OUTFLOW BDNRY PUSHG SE ACRS NRN IN. DWPTS ACRS IND AND WRN OH IN THE MID TO UPR 70S WITH TMPS IN LOW TO MID 90S. MOD SNDG FOR LOW 90 TMPS/UPR 70 DWPTS YIELDS CAPE OF 5500 AND LI OF -10. TSTMS OVR NW IND HAV BEEN INCRSG IN INTENSITY AND XPCT TREND TO CONT AS THEY PUSH ESE INTO VERY UNSTBL AMS THRU LATE AFTN/EVNG. NEW MDLS CONT TO SHOW NICE THTE AXIS INTO SW OH. THUS WUD XPCT TSTMS TO TRACK INTO W CNTRL OH THRU LATE AFTN...THEN MOVG INTO DAY AND CMH AREAS TWD 22-23Z. SPD/DIRECTIONAL SHEAR NOT AS IMPRSV AS YSTRDY. HI CAPES THO SHUD ALLOW FOR STG ENUF UPDRAFTS FOR SOME HAIL ALG WITH STG WNDS. CDFNT WL FINALLY START TO PUSH S OVRNGT WITH MDLS BRINGING IT TO JUST NW OF FA BY MON MRNG. WITH FNT DRPG S...WL SEE CONTD CHC OF SHWRS/TSTMS ACRS NRN 1/2 FA LATER TNGT. ACRS SRN 1/2 FA...7H TMPS A LTL COOLER THAN YSTRDY SO XPCT A LTL BETTER CHC OF SEEING SOME DVLPMT THIS EVNG AND/OR STRMS ACRS DAY/CMH AREA HOLDING TOGETHER AS THEY PUSH S. FNT TO PUSH S ACRS FA THRU THE DAY ON MON. SHUD FINALLY SEE SOME COOLER/DRIER AIR INTO NW FA BY AFTN. ELSWR...COOLING WL HOLD OFF TIL MON NGT. THUS...AMS WL ONCE AGN BE UNSTBL WITH GOOD CHC OF TSTMS ACRS AREA DURG THE AFTN AND PERHAPS LINGERING INTO THE EVNG ACRS FAR S. HI PRES THEN BUILDS IN FOR CLRG SKIES MON NGT AND MSTLY SUNNY TUE. WITH TMPS/DWPTS RMNG UP ACRS S ON MON...HEAT ADV SEEMS RSBL ACRS ALL BUT LIMA AREA. PLEASANT DAY ON TAP FOR TUE WITH MUCH DRIER AMS MOVG IN. CVG 76/92/66/80 5620 DAY 74/91/61/78 6610 CMH 73/91/61/77 7610 LOTT
In the hours before
Local storm report, Jul 27, 5:06 PM EDT, 1 hour 30 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
506 PM EDT SUN JUL 27 1997
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0442 PM HIGHLAND HGTS KY 60 MPH TSTM GUST
07/27/97 CAMPBELL
0458 PM ANSONIA OH .75 INCH HAIL
07/27/97 DARKESpecial weather statement, Jul 27, 6:02 PM EDT, 34 minutes before
INZ050-058>059-066-073-OHZ015-016-024>026-034-035-042>046-051>056- 060>064-070>072-280200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILMINGTON OH 605 PM EDT SUN JUL 27 1997 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 10 PM EDT FOR EAST CENTRAL INDIANA...PARTS OF THE MIAMI VALLEY...PARTS OF SOUTHWEST OHIO AND CENTRAL OHIO... THE WATCH IS NO LONGER IN EFFECT FOR PAULDING...PUTNAM...VAN WERT... ALLEN...MERCER...AUGLAIZE AND HARDIN COUNTIES. STRONG THUNDERSTORMS HAVE DEVELOPED THIS AFTERNOON ALONG A BOUNDARY ACROSS EAST CENTRAL INDIANA AND WEST CENTRAL OHIO. THE AIRMASS OUT AHEAD OF THE BOUNDARY IS VERY UNSTABLE ACROSS SOUTHWEST OHIO. THUS...THE THUNDERSTORMS ARE EXPECTED TO CONTINUE TO PUSH SOUTH AND EAST THROUGH THE LATE AFTERNOON AND EVENING. SOME OF THE STORMS WILL PRODUCE WIND GUSTS IN EXCESS OF 60 MILES AS WELL AS VERY HEAVY RAIN. RAINFALL OF AN INCH OR TWO IS POSSIBLE WITH THESE STORMS. BE PREPARED TO MOVE TO A SAFE LOCATION IF SEVERE WEATHER APPROACHES OR A WARNING IS ISSUED FOR YOUR LOCATION. STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA SOURCE FOR ADDITIONAL UPDATES. RANDALL
Special weather statement, Jul 27, 6:05 PM EDT, 31 minutes before
INZ050-058>059-066-073-OHZ015-016-024>026-034-035-042>046-051>056- 060>064-070>072-280200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILMINGTON OH 605 PM EDT SUN JUL 27 1997 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 10 PM EDT FOR EAST CENTRAL INDIANA...PARTS OF THE MIAMI VALLEY...PARTS OF SOUTHWEST OHIO AND CENTRAL OHIO... THE WATCH IS NO LONGER IN EFFECT FOR PAULDING...PUTNAM...VAN WERT... ALLEN...MERCER...AUGLAIZE AND HARDIN COUNTIES. STRONG THUNDERSTORMS HAVE DEVELOPED THIS AFTERNOON ALONG A BOUNDARY ACROSS EAST CENTRAL INDIANA AND WEST CENTRAL OHIO. THE AIRMASS OUT AHEAD OF THE BOUNDARY IS VERY UNSTABLE ACROSS SOUTHWEST OHIO. THUS...THE THUNDERSTORMS ARE EXPECTED TO CONTINUE TO PUSH SOUTH AND EAST THROUGH THE LATE AFTERNOON AND EVENING. SOME OF THE STORMS WILL PRODUCE WIND GUSTS IN EXCESS OF 60 MILES AS WELL AS VERY HEAVY RAIN. RAINFALL OF AN INCH OR TWO IS POSSIBLE WITH THESE STORMS. BE PREPARED TO MOVE TO A SAFE LOCATION IF SEVERE WEATHER APPROACHES OR A WARNING IS ISSUED FOR YOUR LOCATION. STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA SOURCE FOR ADDITIONAL UPDATES. RANDALL
Local storm report, Jul 27, 6:12 PM EDT, 24 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
612 PM EDT SUN JUL 27 1997
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0545 PM MCGUFFEY OH WIND DAMAGE
07/27/97 HARDIN SEVERAL TREES DOWN
0557 PM OH WIND DAMAGE
07/27/97 MONTGOMERY LARGE LIMBS AND POWER
LINES DOWN IN NORTHEAST
PART OF COUNTYLocal storm report, Jul 27, 6:12 PM EDT, 24 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
612 PM EDT SUN JUL 27 1997
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0545 PM MCGUFFEY OH WIND DAMAGE
07/27/97 HARDIN SEVERAL TREES DOWN
0557 PM OH WIND DAMAGE
07/27/97 MONTGOMERY LARGE LIMBS AND POWER
LINES DOWN IN NORTHEAST
PART OF COUNTYLocal storm report, Jul 27, 6:13 PM EDT, 23 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
612 PM EDT SUN JUL 27 1997
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0610 PM HAMILTON OH 60 MPH TSTM GUST
07/27/97 BUTLERThe office that day
Everything else NWS Wilmington, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 26, 8:08 PM EDT | Tornado Warning | ILN | Licking | 22 min |
| Jul 26, 8:34 PM EDT | Severe Thunderstorm Warning | ILN | Hocking | 61 min |
| Jul 26, 8:40 PM EDT | Flash Flood Warning | ILN | Fairfield | 65 min |
| Jul 26, 8:40 PM EDT | Tornado Warning | ILN | Fairfield | 65 min |
| Jul 26, 8:44 PM EDT | Severe Thunderstorm Warning | ILN | Paulding, Putnam | 61 min |
| Jul 26, 8:58 PM EDT | Severe Thunderstorm Warning | ILN | Licking | 62 min |
| Jul 26, 10:02 PM EDT | Flash Flood Warning | ILN | Licking | 48 min |
| Jul 26, 10:02 PM EDT | Tornado Warning | ILN | Licking | 48 min |
| Jul 26, 10:14 PM EDT | Severe Thunderstorm Warning | ILN | Delaware | 46 min |
| Jul 26, 10:21 PM EDT | Severe Thunderstorm Warning | ILN | Hocking | 49 min |
| Jul 26, 10:26 PM EDT | Severe Thunderstorm Warning | ILN | Fairfield | 64 min |
| Jul 26, 10:36 PM EDT | Severe Thunderstorm Warning | ILN | Van Wert | 64 min |
| Jul 26, 10:50 PM EDT | Flash Flood Warning | ILN | Licking | 2 hr |
| Jul 26, 10:52 PM EDT | Tornado Warning | ILN | Fairfield | 48 min |
| Jul 26, 10:56 PM EDT | Tornado Warning | ILN | Van Wert | 64 min |
| Jul 26, 11:06 PM EDT | Severe Thunderstorm Warning | ILN | Licking | 59 min |
| Jul 26, 11:26 PM EDT | Flash Flood Warning | ILN | Fairfield, Hocking | 4 hr |
| Jul 27, 12:25 AM EDT | Flash Flood Warning | ILN | Licking | 3 hr |
| Jul 27, 12:40 AM EDT | Severe Thunderstorm Warning | ILN | Franklin | 35 min |
| Jul 27, 1:05 AM EDT | Severe Thunderstorm Warning | ILN | Pickaway | 60 min |
| Jul 27, 4:33 PM EDT | Severe Thunderstorm Warning | ILN | Mercer | 47 min |
| Jul 27, 4:37 PM EDT | Severe Thunderstorm Warning | ILN | Shelby | 38 min |
| Jul 27, 4:46 PM EDT | Severe Thunderstorm Warning | ILN | Darke, Miami | 44 min |
| Jul 27, 5:29 PM EDT | Severe Thunderstorm Warning | ILN | Hardin | 46 min |
| Jul 27, 5:45 PM EDT | Severe Thunderstorm Warning | ILN | Montgomery | 50 min |
| Jul 27, 5:58 PM EDT | Severe Thunderstorm Warning | ILN | Butler | 47 min |
| Jul 27, 6:21 PM EDT | Severe Thunderstorm Warning | ILN | Hamilton | 44 min |
| Jul 27, 6:48 PM EDT | Severe Thunderstorm Warning | ILN | Fairfield | 42 min |
| Jul 27, 6:59 PM EDT | Severe Thunderstorm Warning | ILN | Fayette | 31 min |
| Jul 27, 7:12 PM EDT | Severe Thunderstorm Warning | ILN | Ross | 63 min |
| Jul 27, 7:30 PM EDT | Severe Thunderstorm Warning | ILN | Licking | 40 min |
| Jul 27, 7:50 PM EDT | Flash Flood Warning | ILN | Fairfield, Licking | 3 hr |
| Jul 27, 3:39 PM EDT | Severe Thunderstorm Warning | ILN | Campbell | 61 min |
| Jul 27, 7:09 PM EDT | Severe Thunderstorm Warning | ILN | Campbell | 36 min |
| Jul 27, 7:59 PM EDT | Severe Thunderstorm Warning | ILN | Grant | 51 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; radar from the NEXRAD Level II archive.