Alert archive / Ohio / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 152, NWS Wilmington, OH

July 27, 1997Butler County, Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at Jul 27, 1997, 5:58 PM EDT for Butler County, Ohio. It was in force for 47 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, 5:58 PM EDT (21:58 UTC)
Expired
Jul 27, 1997, 6:45 PM EDT
In force
47 min
Issued by
NWS Wilmington, OH
Area
Whole counties

County Butler County, OH

The radar

The Cincinnati radar (KILN), 65 km from the middle of the area, began a volume at 22:06 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

TimeReportWhereRemark
Jul 27, 6:10 PM EDTThunderstorm Wind 52Hamilton, OHAn observer reported a wind gust to 60 mph.

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.

IssuedProductOfficeLasted
Jul 27, 3:30 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 10.0 hours before the alert went out and 67 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.

Skew-T log-pSkew-T log-p diagram, Cncnati-Daytn, OH at 12:00Z on 1997-07-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2569 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 12:00Z on 1997-07-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 148 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
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

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KILN 272157 RRA
SVRILN
OHC017-272245-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
558 PM EDT SUN JUL 27 1997

THE NATIONAL WEATHER SERVICE IN WILMINGTON OH HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 645 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN SOUTHWESTERN OHIO

   ...BUTLER COUNTY
 
AT 556 PM EDT...DOPPLER RADAR WAS INDICATING A SEVERE THUNDERSTORM
MOVING INTO NORTHWEST BUTLER COUNTY NEAR THE TOWN OF OXFORD. THE
STORM WAS MOVING SOUTHEAST AT 25 MILES AN HOUR AND WILL AFFECT THE
TOWNS OF DARRTOWN AND HAMILTON THROUGH 630 PM.
 
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.

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 8 minutes earlier.

Area forecast discussion, Jul 27, 2:50 PM EDT, 3 hours 8 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

Special weather statement, Jul 27, 3:11 PM EDT, 2 hours 47 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
315 PM EDT SUN JUL 27 1997

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 10 PM FOR EAST
   CENTRAL INDIANA...WEST CENTRAL OHIO AND PARTS OF THE MIAMI VALLEY AND
   CENTRAL OHIO...

STRONG THUNDERSTORMS HAVE DEVELOPED THIS AFTERNOON ALONG A BOUNDARY
ACROSS NORTHERN INDIANA. THE AIRMASS OUT AHEAD OF THE BOUNDARY IS VERY
UNSTABLE ACROSS WESTERN OHIO AND EASTERN INSIANA. THUS...THE
THUNDERSTORMS ARE EXPECTED TO CONTINUE TO PUSH SOUTH AND EAST THROUGH
THE LATE AFTERNOON HOURS.

SOME OF THE STORMS WILL PRODUCE WIND GUSTS IN EXCESS OF 58 MILES AN
HOUR AS WELL AS LARGE HAIL.

SOME CITIES IN THE WATCH INCLUDE LIMA...RICHMOND...DAYTON AND COLUMBUS.

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.

LOTT
Special weather statement, Jul 27, 3:15 PM EDT, 2 hours 43 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
315 PM EDT SUN JUL 27 1997

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 10 PM FOR EAST
   CENTRAL INDIANA...WEST CENTRAL OHIO AND PARTS OF THE MIAMI VALLEY AND
   CENTRAL OHIO...

STRONG THUNDERSTORMS HAVE DEVELOPED THIS AFTERNOON ALONG A BOUNDARY
ACROSS NORTHERN INDIANA. THE AIRMASS OUT AHEAD OF THE BOUNDARY IS VERY
UNSTABLE ACROSS WESTERN OHIO AND EASTERN INSIANA. THUS...THE
THUNDERSTORMS ARE EXPECTED TO CONTINUE TO PUSH SOUTH AND EAST THROUGH
THE LATE AFTERNOON HOURS.

SOME OF THE STORMS WILL PRODUCE WIND GUSTS IN EXCESS OF 58 MILES AN
HOUR AS WELL AS LARGE HAIL.

SOME CITIES IN THE WATCH INCLUDE LIMA...RICHMOND...DAYTON AND COLUMBUS.

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.

LOTT
Special weather statement, Jul 27, 3:25 PM EDT, 2 hours 33 minutes before
OHZ034-035-042>046-051>056-060>065-070>074-077>082-088-089-KYZ088>100-
INZ050-058-059-066-073>075-080-281200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
325 PM EDT SUN JUL 27 1997

...HEAT ADVISORY IN EFFECT THROUGH MONDAY FOR WESTERN AND CENTRAL
OHIO...NORTHERN KENTUCKY AND SOUTHEAST AND EAST CENTRAL INDIANA...

THE HOT AND HUMID CONDITIONS WILL CONTINUE THROUGH MONDAY BEFORE A COLD
FRONT PUSHES SOUTH THROUGH THE AREA MONDAY EVENING. OVERNIGHT LOWS WILL
ONLY BE IN THE LOWER TO MIDDLE 70S WITH HIGHS ON MONDAY IN THE LOWER TO
MIDDLE 90S. THIS WILL COMBINE WITH VERY HIGH HUMIDITIES TO RESULT IN
HEAT INDEX READINGS OF AROUND 105.

RESIDENTS OF THESE AREAS SHOULD LIMIT ACTIVITY DURING THE AFTERNOON
HOURS AND DRINK PLENTY OF FLUIDS.

LOTT
Local storm report, Jul 27, 5:06 PM EDT, 52 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   DARKE

The office that day

Everything else NWS Wilmington, OH issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 26, 8:08 PM EDTTornado WarningILNLicking22 min
Jul 26, 8:34 PM EDTSevere Thunderstorm WarningILNHocking61 min
Jul 26, 8:40 PM EDTFlash Flood WarningILNFairfield65 min
Jul 26, 8:40 PM EDTTornado WarningILNFairfield65 min
Jul 26, 8:44 PM EDTSevere Thunderstorm WarningILNPaulding, Putnam61 min
Jul 26, 8:58 PM EDTSevere Thunderstorm WarningILNLicking62 min
Jul 26, 10:02 PM EDTFlash Flood WarningILNLicking48 min
Jul 26, 10:02 PM EDTTornado WarningILNLicking48 min
Jul 26, 10:14 PM EDTSevere Thunderstorm WarningILNDelaware46 min
Jul 26, 10:21 PM EDTSevere Thunderstorm WarningILNHocking49 min
Jul 26, 10:26 PM EDTSevere Thunderstorm WarningILNFairfield64 min
Jul 26, 10:36 PM EDTSevere Thunderstorm WarningILNVan Wert64 min
Jul 26, 10:50 PM EDTFlash Flood WarningILNLicking2 hr
Jul 26, 10:52 PM EDTTornado WarningILNFairfield48 min
Jul 26, 10:56 PM EDTTornado WarningILNVan Wert64 min
Jul 26, 11:06 PM EDTSevere Thunderstorm WarningILNLicking59 min
Jul 26, 11:26 PM EDTFlash Flood WarningILNFairfield, Hocking4 hr
Jul 27, 12:25 AM EDTFlash Flood WarningILNLicking3 hr
Jul 27, 12:40 AM EDTSevere Thunderstorm WarningILNFranklin35 min
Jul 27, 1:05 AM EDTSevere Thunderstorm WarningILNPickaway60 min
Jul 27, 4:33 PM EDTSevere Thunderstorm WarningILNMercer47 min
Jul 27, 4:37 PM EDTSevere Thunderstorm WarningILNShelby38 min
Jul 27, 4:46 PM EDTSevere Thunderstorm WarningILNDarke, Miami44 min
Jul 27, 5:29 PM EDTSevere Thunderstorm WarningILNHardin46 min
Jul 27, 5:45 PM EDTSevere Thunderstorm WarningILNMontgomery50 min
Jul 27, 6:21 PM EDTSevere Thunderstorm WarningILNHamilton44 min
Jul 27, 6:36 PM EDTSevere Thunderstorm WarningILNDelaware49 min
Jul 27, 6:48 PM EDTSevere Thunderstorm WarningILNFairfield42 min
Jul 27, 6:59 PM EDTSevere Thunderstorm WarningILNFayette31 min
Jul 27, 7:12 PM EDTSevere Thunderstorm WarningILNRoss63 min
Jul 27, 7:30 PM EDTSevere Thunderstorm WarningILNLicking40 min
Jul 27, 7:50 PM EDTFlash Flood WarningILNFairfield, Licking3 hr

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.