Alert archive / Indiana / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 31, NWS Northern Indiana

July 26, 1997Allen County, Indiana

NWS Northern Indiana issued this severe thunderstorm warning at Jul 26, 1997, 9:28 PM EST for Allen County, Indiana. It was in force for 62 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 26, 1997, 9:28 PM EST (02:28 UTC)
Expired
Jul 26, 1997, 10:30 PM EST
In force
62 min
Issued by
NWS Northern Indiana
Area
Whole counties

County Allen County, IN

What was reported inside it

TimeReportWhereRemark
Jul 26, 9:50 PM ESTThunderstorm Wind 65Ft Wayne, IN

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 26, 7:15 PM ESTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 2.5 hours before the alert went out and 214 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 1997-07-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4383 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 1997-07-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 67 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
4383 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
1206 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
67 m²/s²
0-3 km storm-relative helicity
208 m²/s²
Significant tornado parameter
0.0
Supercell composite
13.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KFWA 270236
SVRFWA
INC003-270330-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING...CORRECTION
NATIONAL WEATHER SERVICE FORT WAYNE IN
928 PM EST SAT JUL 26 1997

THE NATIONAL WEATHER SERVICE IN FORT WAYNE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1030 PM EST
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN NORTHEAST INDIANA

   ...ALLEN COUNTY

A THUNDERSTORM PRODUCING LARGE HAIL AND DAMAGING WINDS WAS OVER FORT
WAYNE AT 925 PM. THIS STORM WAS MOVING SOUTHEAST AT 25 MPH.

PEOPLE IN THE FORT WAYNE AREA SHOULD SEEK SHELTER IMMEDIATELY FROM THIS
STORM. PEOPLE TO THE SOUTHEAST OF FORT WAYNE TOWARD MONROEVILLE SHOULD
BE ALERT FOR THE APPROACH OF SEVERE STORMS.
HAYES


WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND BY WINDOWS.  DON'T USE TELEPHONES
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM
HAS PASSED.  MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROS8SINGS.

CORRECTION FOR TIME OF STORM IN FORT WAYNE

The office that day

Everything else NWS Northern Indiana issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 26, 10:25 PM ESTSevere Thunderstorm WarningIWXWabash50 min
Jul 27, 1:15 PM ESTSevere Thunderstorm WarningIWXLaGrange45 min
Jul 27, 1:44 PM ESTSevere Thunderstorm WarningIWXNoble31 min
Jul 27, 2:05 PM ESTSevere Thunderstorm WarningIWXWhitley40 min
Jul 27, 2:17 PM ESTTornado WarningIWXAllen43 min
Jul 27, 2:31 PM ESTSevere Thunderstorm WarningIWXHuntington59 min
Jul 27, 2:49 PM ESTSevere Thunderstorm WarningIWXAdams, Wells56 min

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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.