Alert archive / Indiana / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 11, NWS Northern Indiana

July 2, 1997Adams County, Wells County, Indiana

NWS Northern Indiana issued this severe thunderstorm warning at Jul 2, 1997, 2:58 PM EST for Adams County, Wells County, Indiana. It was in force for 32 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
Jul 2, 1997, 2:58 PM EST (19:58 UTC)
Expired
Jul 2, 1997, 3:30 PM EST
In force
32 min
Issued by
NWS Northern Indiana
Area
Whole counties

Counties Adams County, IN, Wells County, IN

The watch it was issued in

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

IssuedProductOfficeLasted
Jul 2, 1:00 PM ESTTornado WatchSPC6 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 8.0 hours before the alert went out and 182 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 1997-07-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 88 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 1997-07-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 88 square meters per square second.19395878Sfc1 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
88 J/kg
Mixed-layer CIN
-213 J/kg
Mixed-layer LCL
1070 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
88 m²/s²
0-3 km storm-relative helicity
154 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KFWA 022000 RRA
SVRFWA
INC001-179-022030-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE FORT WAYNE IN
258 PM EST WED JUL 2 1997
 
THE NATIONAL WEATHER SERVICE IN FORT WAYNE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  330 PM EST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHEAST INDIANA
 
   ...NORTHERN ADAMS COUNTY...NORTHERN WELLS COUNTY
 
AT 255PM A SEVERE THUNDERSTORM WAS 15 MILES SOUTH OF FORT WAYNE IN THE
BLUFFTON AND DECATUR AREAS.
 
MOVEMENT WAS EAST AT 30 MPH.
 
STRONG WINDS WITH THIS STORM BLEW OVER A RADIO TOWER WEST OF DECATUR
AROUND 250PM.
 
TOWNS THREATENED BY THIS DANGEROUS STORM INCLUDE OSSIAN...DECATUR... AND
MONROE.
 
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.
 
REAUGH
 
&

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 2, 7:16 AM ESTSevere Thunderstorm WarningIWXLaGrange, Noble59 min
Jul 2, 1:24 PM ESTSevere Thunderstorm WarningIWXHuntington, Wabash, Whitley66 min
Jul 2, 1:41 PM ESTSevere Thunderstorm WarningIWXNoble34 min
Jul 2, 2:29 PM ESTTornado WarningIWXAllen, Huntington, Wells46 min
Jul 2, 2:52 PM ESTSevere Thunderstorm WarningIWXGrant, Huntington, Wells53 min
Jul 2, 3:15 PM ESTSevere Thunderstorm WarningIWXAdams, Jay45 min
Jul 2, 3:15 PM ESTSevere Thunderstorm WarningIWXBlackford45 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; the sounding from the Mesonet's radiosonde archive.