Alert archive / Ohio / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 191, NWS Wilmington, OH

August 17, 1997Butler County, Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at Aug 17, 1997, 7:31 PM EDT for Butler County, Ohio. It was in force for 64 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
Aug 17, 1997, 7:31 PM EDT (23:31 UTC)
Expired
Aug 17, 1997, 8:35 PM EDT
In force
64 min
Issued by
NWS Wilmington, OH
Area
Whole counties

County Butler County, OH

What was reported inside it

TimeReportWhereRemark
Aug 17, 8:00 PM EDTThunderstorm Wind 50Okeana, OHTrees 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 nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 11.5 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 1997-08-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 39 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 1997-08-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 51 square meters per square second.193958Sfc1 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
39 J/kg
Mixed-layer CIN
-211 J/kg
Mixed-layer LCL
934 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
51 m²/s²
0-3 km storm-relative helicity
131 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KILN 172330 RRA
SVRILN
OHC017-180035-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
731 PM EDT SUN AUG 17 1997

THE NATIONAL WEATHER SERVICE IN WILMINGTON OH HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 835 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN SOUTHWESTERN OHIO

   ...BUTLER COUNTY
 
AT 725 PM...THE WILMINGTON DOPPLER RADAR AND SPOTTER REPORTS
INDICATED A SEVERE THUNDERSTORM OVER THE SOUTHERN PART OF BUTLER
COUNTY...JUST SOUTH OF FAIRFIELD.  THIS STORM IS MOVING TO THE
EAST-NORTHEAST AT 30 MPH.

THIS STORM WILL AFFECT THE FAIRFIELD AND WEST CHESTER AREAS BY 8 PM.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT
DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

DANGELO

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 Aug 17, 3:00 PM EDT, 4 hours 31 minutes earlier.

Area forecast discussion, Aug 17, 3:00 PM EDT, 4 hours 31 minutes before
FORECAST COORDINATION MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON OH
300 PM EDT SUN AUG 17 1997

SEVERE WEATHER ONGOING AND TIME IS SHORT. BRIEFLY...STRONG TO SEVERE
TSTMS MOVG THRU CWA AT THIS TIME. STRONGEST ACTIVITY WL PUSH E OF
CWA BY THIS EVE...BUT SHRA/ISOLD TSRA WL LINGER THRU EVE AT THRU AT
LEAST FIRST HALF OF NITE N AND UNTIL AFTER MIDNITE S. IN GENERAL...
SFC FRNT WL GRADUALLY SETTLE THRU AND S OF REGION OVERNITE.

CONTINUE FLASH FLOOD WATCHES AS CURRNTLY IN PLACE...CAN LIKELY
DISCONTINUE EARLY EVE SE IN AND BY LATE EVE UPDATE PKG FOR OH AREAS.

STILL LOTS OF POST-FRNTL LO CLDS...SO MAY TAKE UNTIL LATER MON AM
UNTIL CLDS BEGIN TO BREAK UP ACRS REGION...POERHAPS NOT UNTIL AFTN S.

MOS TMPS IN AGREEMNT AND WL STAY CLOSE.

CVG 66/80/61/80 8000
DAY 59/77/56/78 8000
CMH 62/77/58/79 9000

ROWLEY

In the hours before

Local storm report, Aug 17, 4:00 PM EDT, 3 hours 31 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
401 PM EDT SUN AUG 17 1997

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

02330 PM    OTWAY                     OH   WIND DAMAGE
08/17/97   SCIOTO                         LARGE TREES AND POWER
                                          LINES DOWN NEAR OTWAY.
Local storm report, Aug 17, 4:01 PM EDT, 3 hours 30 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
401 PM EDT SUN AUG 17 1997

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0330 PM    OTWAY                     OH   WIND DAMAGE
08/17/97   SCIOTO                         LARGE TREES AND POWER
                                          LINES DOWN NEAR OTWAY.
Local storm report, Aug 17, 4:06 PM EDT, 3 hours 25 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
406 PM EDT SUN AUG 17 1997

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0355 PM    GARRISON                  KY   WIND DAMAGE
08/17/97   LEWIS                          TREES DOWN BETWEEN
                                          GARRISON AND VANCEBURG.
Local storm report, Aug 17, 4:24 PM EDT, 3 hours 7 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
424 PM EDT SUN AUG 17 1997

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0145 PM                              IN   WIND DAMAGE
08/17/97   RIPLEY                         GRAIN BIN DAMAGED IN SE
                                          PART OF RIPLEY COUNTY.

0230 PM    CINCINNATI LUNKEN FLD     OH   60 MPH TSTM GUST
08/17/97   HAMILTON                       52 KNOT TSTM GUST
                                          RECORDED.

0300 PM                              KY   WIND DAMAGE
08/17/97   PENDLETON                      TREES DOWN COUNTYWIDE.

0315 PM    MAYSVILLE                 KY   WIND DAMAGE
08/17/97   MASON                          A FEW TREES DOWN EAST OF
                                          MAYSVILLE.

0344 PM    WEST UNION                OH   WIND DAMAGE
08/17/97   ADAMS                          GARAGE PARTIALLY DESTROYED
                                          2 MILES NORTH OF WEST
                                          UNION.
Local storm report, Aug 17, 4:43 PM EDT, 2 hours 48 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
443 PM EDT SUN AUG 17 1997

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0300 PM    SARDINIA                  OH   WIND DAMAGE
08/17/97   BROWN                          MANY TREES DOWN.

0340 PM                              OH   WIND DAMAGE
08/17/97   ADAMS                          MANY TREES DOWN AND DAMAGE
                                          IN A WEST TO EAST PATH
                                          ACROSS THE COUNTY. DAMAGE
                                          MAY BE DUE TO A
                                          TORNADO...INVESTIGATION
                                          NEEDED.
Local storm report, Aug 17, 4:45 PM EDT, 2 hours 46 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
445 PM EDT SUN AUG 17 1997

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0245 PM                              OH   WIND DAMAGE
08/17/97   CLERMONT                       TREES DOWN COUNTYWIDE.

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 16, 8:01 PM EDTFlash Flood WarningILNPutnam3 hr
Aug 16, 10:53 PM EDTFlash Flood WarningILNPaulding, Putnam3 hr
Aug 16, 11:47 PM EDTSevere Thunderstorm WarningILNAllen, Auglaize48 min
Aug 17, 11:13 AM EDTSevere Thunderstorm WarningILNBrown42 min
Aug 17, 11:29 AM EDTSevere Thunderstorm WarningILNAdams41 min
Aug 17, 11:47 AM EDTSevere Thunderstorm WarningILNPike, Scioto38 min
Aug 17, 12:25 PM EDTSevere Thunderstorm WarningILNPike, Scioto45 min
Aug 17, 2:17 PM EDTSevere Thunderstorm WarningILNHamilton58 min
Aug 17, 2:23 PM EDTTornado WarningILNLicking47 min
Aug 17, 2:41 PM EDTSevere Thunderstorm WarningILNBrown, Clermont64 min
Aug 17, 3:03 PM EDTSevere Thunderstorm WarningILNAdams62 min
Aug 17, 3:14 PM EDTTornado WarningILNAdams61 min
Aug 17, 3:29 PM EDTSevere Thunderstorm WarningILNPike, Scioto61 min
Aug 17, 7:17 PM EDTSevere Thunderstorm WarningILNHamilton48 min
Aug 17, 7:31 PM EDTTornado WarningILNHamilton64 min
Aug 17, 7:49 PM EDTSevere Thunderstorm WarningILNClermont, Warren66 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.