Alert archive / Indiana / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 18, NWS Wilmington, OH

February 21, 1997Fayette County, Wayne County, Indiana

NWS Wilmington, OH issued this severe thunderstorm warning at Feb 21, 1997, 9:23 AM EST for Fayette County, Wayne County, Indiana. It was in force for 37 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
Feb 21, 1997, 9:23 AM EST (14:23 UTC)
Expired
Feb 21, 1997, 10:00 AM EST
In force
37 min
Issued by
NWS Wilmington, OH
Area
Whole counties

Counties Fayette County, IN, Wayne County, IN

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Feb 21, 9:00 AM ESTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 2.4 hours before the alert went out and 117 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 1997-02-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1997-02-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 205 square meters per square second.1939587897117Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1012 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
205 m²/s²
0-3 km storm-relative helicity
306 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 211425 RRA
SVRILN
INC041-177-211500-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
923 AM EST FRI FEB 21 1997

THE NATIONAL WEATHER SERVICE IN WILMINGTON OH HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1000 AM EST 
FOR PEOPLE IN THE FOLLOWING LOCATIONS...

IN EAST CENTRAL INDIANA

   ...FAYETTE COUNTY
   ...WAYNE COUNTY

 
AT 921 AM EST...A LINE OF SEVERE THUNDERSTORMS WAS INDICATED BY
WILMINGTON DOPPLER RADAR STRETCHING FROM MUNCIE INDIANA...DOWN TO
GREENSBURG INDIANA.  THESE STORMS WILL ENTER THE WESTERN EDGE OF THESE
COUNTIES BY 925 AM EST.

THESE STORM CAN BE EXPECTED IN THE VICINITY OF...
CONNERSVILLE AND CAMBRIDGE CITY BY 940 AM.
AND RICHMOND AND FOUNTAIN CITY BY 10 AM.
 
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.

MMD

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 Feb 21, 9:08 AM EST, 15 minutes earlier.

Area forecast discussion, Feb 21, 9:08 AM EST, 15 minutes before
FORECAST COORDINATION MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON OH
907 AM EST FRI FEB 21 1997

SVR TSTM WATCH #59 IN EFFECT UNTIL 100 PM FOR DAY-CVG AREAS.

13Z SFC ANALYSIS INDICATED A LOW ACROSS NERN MO WITH A WARM FNT
EXTENDING INTO MI AND A CDFNT TO THE GULF COAST.  SQUALL LINE HAD
DEVELOPED AND MOVG EWD.  KILN VAD WIND PROFILE SHOWS UP TO 85 KTS
WITHIN 3000 FT OF THE SFC.  INSTABILITY MARGINAL ATTM...BUT MODELS
PROUDUCE MODERATE INSTABILITY BY 00Z SAT WITH A MID LEVEL DRY PUNCH
FCST TO MOVE OVR AREA. FIRST LINE CAPABLE OF WIND DAMAGE THIS AM THRU
EARLY PM. XPCT SECOND AREA OF TSRA TO DEVELOP LATER IN PM...WHICH COULD
BECOME SVR ALSO AS H8 WINDS STAY 60+ KNTS.

CURRENT PM HIGHS LOOK <REASONABLE.

WILKINSON

In the hours before

Special weather statement, Feb 21, 7:20 AM EST, 2 hours 3 minutes before
OHZ015-016-024>026-034-035-042>046-051>056-060>065-070>074-077>082-
088-KYZ089>100-INZ050-058-059-066-073>075-080-212000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
720 AM EST FRI FEB 21 1997

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS TO OCCUR OVER THE REGION
THIS AFTERNOON. THUNDERSTORMS ARE EXPECTED TO DEVELOP AND THESE
THUNDERSTORMS COULD PRODUCE DAMAGING WINDS. THE SOUTHERN AREAS MAINLY
FROM RICHMOND TO DAYTON TO COLUMBUS SOUTH HAVE THE BEST CHANCE OF
RECEIVING SEVERE WEATHER TODAY. REMEMBER SEVERE THUNDERSTORMS PRODUCE
WINDS OVER 58 MPH AND 3/4 INCH OR LARGER HAIL.

SPOTTER AND AMATEUR RADIO NETWORK ACTIVATION MAY BE REQUIRED LATER
TODAY.

FARINA
Special weather statement, Feb 21, 7:21 AM EST, 2 hours 2 minutes before
OHZ015-016-024>026-034-035-042>046-051>056-060>065-070>074-077>082-
088-KYZ089>100-INZ050-058-059-066-073>075-080-212000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
720 AM EST FRI FEB 21 1997

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS TO OCCUR OVER THE REGION
THIS AFTERNOON. THUNDERSTORMS ARE EXPECTED TO DEVELOP AND THESE
THUNDERSTORMS COULD PRODUCE DAMAGING WINDS. THE SOUTHERN AREAS MAINLY
FROM RICHMOND TO DAYTON TO COLUMBUS SOUTH HAVE THE BEST CHANCE OF
RECEIVING SEVERE WEATHER TODAY. REMEMBER SEVERE THUNDERSTORMS PRODUCE
WINDS OVER 58 MPH AND 3/4 INCH OR LARGER HAIL.

SPOTTER AND AMATEUR RADIO NETWORK ACTIVATION MAY BE REQUIRED LATER
TODAY.

FARINA
Special weather statement, Feb 21, 9:05 AM EST, 18 minutes before
INZ074-058-066-075-073-080-059-050-OHZ079-070-052-053-078-072-042-
063-062-077-080-051-061-060-071-KYZ091-097-093-089-090-095-092-
099-094-096-201-211800-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
907 AM EST FRI FEB 21 1997

....A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR SOUTHWEST OHIO...THE
MIAMI VALLEY...NORTHERN KENTUCKY AND SOUTHEAST INDIANA...

A STRONG LINE OF THUNDERSTORMS THAT STRETCHES FROM INDIANAPOLIS DOWN
THROUGH THE CENTRAL PART OF KENTUCKY WILL BE RACING ACROSS THE TRI-STATE
AREA THIS MORNING AND EARLY THIS AFTERNOON.  A SEVERE THUNDERSTORM WATCH
HAS BEEN POSTED UNTIL 1 PM EST.  THE WATCH AREA INCLUDES ALL THE
CINCINNATI AREA...AS WELL AS RICHMOND AND DAYTON...AS WELL AS AREAS JUST
TO THE SOUTH AND WEST OF COLUMBUS.

THIS EARLY SEASON SQUALL LINE IS MOVING EASTWARD AT ROUGHLY 35 TO 40
MILES AN HOUR.  THE LINE WILL REACH THE DAYTON AND CINCINNATI METRO
AREAS BY 1030 AM.  THE MAIN THREAT FROM THESE STORMS ARE DAMAGING
STRAIGHT LINE WINDS IN EXCESS OF 60 MILES AN HOUR.

FOR FURTHER DETAILS ON THIS POTENTIALLY DANGEROUS WEATHER SITUATION...
PLEASE STAY TUNED TO YOUR WEATHER RADIO...OR YOUR LOCAL NEWS SOURCE.

DANGELO/WILKINSON
 6
Special weather statement, Feb 21, 9:07 AM EST, 16 minutes before
INZ074-058-066-075-073-080-059-050-OHZ079-070-052-053-078-072-042-
063-062-077-080-051-061-060-071-KYZ091-097-093-089-090-095-092-
099-094-096-201-211800-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
907 AM EST FRI FEB 21 1997

....A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR SOUTHWEST OHIO...THE
MIAMI VALLEY...NORTHERN KENTUCKY AND SOUTHEAST INDIANA...

A STRONG LINE OF THUNDERSTORMS THAT STRETCHES FROM INDIANAPOLIS DOWN
THROUGH THE CENTRAL PART OF KENTUCKY WILL BE RACING ACROSS THE TRI-STATE
AREA THIS MORNING AND EARLY THIS AFTERNOON.  A SEVERE THUNDERSTORM WATCH
HAS BEEN POSTED UNTIL 1 PM EST.  THE WATCH AREA INCLUDES ALL THE
CINCINNATI AREA...AS WELL AS RICHMOND AND DAYTON...AS WELL AS AREAS JUST
TO THE SOUTH AND WEST OF COLUMBUS.

THIS EARLY SEASON SQUALL LINE IS MOVING EASTWARD AT ROUGHLY 35 TO 40
MILES AN HOUR.  THE LINE WILL REACH THE DAYTON AND CINCINNATI METRO
AREAS BY 1030 AM.  THE MAIN THREAT FROM THESE STORMS ARE DAMAGING
STRAIGHT LINE WINDS IN EXCESS OF 60 MILES AN HOUR.

FOR FURTHER DETAILS ON THIS POTENTIALLY DANGEROUS WEATHER SITUATION...
PLEASE STAY TUNED TO YOUR WEATHER RADIO...OR YOUR LOCAL NEWS SOURCE.

DANGELO/WILKINSON

Nearby

Severe Thunderstorm Warnings in Indiana, 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.