Alert archive / Ohio / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 46, NWS Wilmington, OH

April 30, 1997Paulding County, Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at Apr 30, 1997, 9:25 PM EDT for Paulding County, Ohio. It was in force for 45 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
Apr 30, 1997, 9:25 PM EDT (01:25 UTC)
Expired
Apr 30, 1997, 10:10 PM EDT
In force
45 min
Issued by
NWS Wilmington, OH
Area
Whole counties

County Paulding County, OH

What was reported inside it

TimeReportWhereRemark
Apr 30, 9:36 PM EDTThunderstorm Wind 50Payne, OH

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
Apr 30, 8:15 PM EDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 1.4 hours before the alert went out and 199 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 00:00Z on 1997-05-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 5 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 00:00Z on 1997-05-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 321 square meters per square second.1939587897Sfc1 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
5 J/kg
Mixed-layer CIN
-452 J/kg
Mixed-layer LCL
1959 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
321 m²/s²
0-3 km storm-relative helicity
540 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 010124 RRA
SVRILN
OHC125-010210-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
925 PM EDT WED APR 30 1997

THE NATIONAL WEATHER SERVICE IN WILMINGTON OH HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1010 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN NORTHWESTERN OHIO

   ...PAULDING COUNTY
 
AT 922 PM EDT...A SEVERE THUNDERSTORM WAS INDICATED BY WILMINGTON
DOPPLER RADAR AND SPOTTER REPORTS 8 MILES SOUTH OF PAULDING MOVING
EAST NORTHEAST AT 45 MPH.

THIS STORM CAN BE EXPECTED IN THE VICINITY OF...
        PAULDING                BY 926 PM EDT
        MELROSE                 BY 929 PM EDT
        OAKWOOD                 BY 933 PM EDT
 
IF YOU ARE IN THE PATH OF THIS STORM...MOVE INSIDE A STRONG
BUILDING. STAY AWAY FROM WINDOWS SINCE THEY CAN EASILY SHATTER IN
SEVERE THUNDERSTORM WINDS. DO NOT USE TELEPHONES OR APPLIANCES
UNLESS ABSOLUTELY NECESSARY UNTIL THIS STORM HAS PASSED.

&
FARINA

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 Apr 30, 8:50 PM EDT, 35 minutes earlier.

Area forecast discussion, Apr 30, 8:50 PM EDT, 35 minutes before
FORECAST COORDINATION MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON OH
845 PM EDT WED APR 30 1997

KILN RADAR WL LIKELY BE OUT OF SERVICE FOR MUCH OF THE NGT.  A SPARE
PART MAY BE NECESSARY.  WL BE USING KIND AND KLVX RADARS FOR ANY
WARNGS...AND POSSBLY KRLX AND KCLE IF THE ACTIVITY SURVIVES EWRD IN
MORE STABLE AIR.  WIND PROFILE IS WELL SUITED TO SVR WX AS STORM
RELATIVE HELICITY VALUE BETWEEN THE GROUND AND 3KM IS 567 FM ILN 00Z
SOUNDG.  LUCKILY...MOISTURE AND INSTABILITY MARGINAL.  STORMS HAVE
FOCUSED WHAT MOISTURE IS AVAILABLE INTO LONG NARROW LINE FM NE IN TO
WRN KY.  STORM MOTION IS NE AT 50-55 MPH.  ANY PARTICULAR LOCATION WL
SEE TSRA'S LAST LESS THAN ONE HR.

STORMS WL ENTER WC OH AROUND 9 PM...BUT WITH LINE HANGG BACK...MAY NOT
GET INTO CVG AREA UNTIL JUST AFT 10 PM.  HOPE THAT STORMS WEAKEN BY THE
TIME THEY GET INTO CMH OR PMH AREAS...BUT COULD STAY SVR INTO CMH. THE
SVR ACTIVITY SHOULD END/MOVE E BY 1 AM OR 2 AM...WITH BULK OF ACTIVITY
ENDG BY 12 AM.

WINDS AT HIGH WIND ADV CRITERIA BEHIND SVR STORMS BUT DO NOT WANT TO
CONFUSE ISSUE WITH PUBLIC AND PREFER TO LEAVE HIGH WIND ADV OUT OF
OVERNGT FCST AND FOCUS ON SVR THREAT.  HAVE NOT HAD A REAL CHC TO LOOK
AT REST HOF FCST.

SANDLER

In the hours before

Special weather statement, Apr 30, 6:58 PM EDT, 2 hours 27 minutes before
INZ050-058-059-066-073>075-080-OHZ025-026-034-035-
042>045-051>054-060>063-070>072-077>081-010500-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
655 PM EDT (555 PM EST) WED APR 30 1997

...A TORNADO WATCH IS IN EFFECT UNTIL MIDNIGHT EDT FOR SOUTHEAST
   INDIANA AND MUCH OF WESTERN AND CENTRAL OHIO...

AN INTENSE LOW PRESSURE SYSTEM CENTERED ACROSS NORTHERN ILLINOIS
WILL MOVE NORTHEAST OVERNIGHT.  THE LOW WILL SEND A COLD FRONT
THROUGH EASTERN INDIANA...NORTHERN KENTUCKY...WESTERN AND CENTRAL
OHIO.  EARLY THIS EVENING...A LINE OF THUNDERSTORMS WAS MOVING
ACROSS WESTERN INDIANA HEADING EAST. SOME OF THESE STORMS WERE
SEVERE WITH LARGE HAIL...HIGH WINDS AND POSSIBLE TORNADOES.

THE LINE OF STORMS IS EXPECTED TO EXTEND FROM WEST CENTRAL OHIO
THROUGH SOUTHEAST INDIANA BETWEEN 8 PM AND 9 PM...AND THEN WILL
LIKELY REACH THE DAYTON AND CINCINNATI AREAS BETWEEN 9 PM AND 10 PM.

STORM SPOTTER GROUPS WILL LIKELY BE ACTIVATED TO ASSIST WITH ANY
SEVERE STORM WARNINGS THAT MAY NEED TO BE ISSUED THIS EVENING.

STAY ALERT AND BE PREPARED FOR THE POSSIBILITY OF SEVERE WEATHER
THIS EVENING.

SANDLER

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 30, 9:36 PM EDTSevere Thunderstorm WarningILNDarke24 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.