Alert archive / Indiana / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 33, NWS Northern Indiana

July 27, 1997LaGrange County, Indiana

NWS Northern Indiana issued this severe thunderstorm warning at Jul 27, 1997, 1:15 PM EST for LaGrange County, Indiana. It was in force for 45 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 27, 1997, 1:15 PM EST (18:15 UTC)
Expired: Jul 27, 1997, 2:00 PM EST
In force: 45 min
Issued by: NWS Northern Indiana
Area: Whole counties

County LaGrange County, IN

The watch it was issued in

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

Issued	Product	Office	Lasted
Jul 27, 11:45 AM EST	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 6.3 hours before the alert went out and 203 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 6 J/kg
Mixed-layer CIN: -474 J/kg
Mixed-layer LCL: 964 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: -8 m²/s²
0-3 km storm-relative helicity: 4 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.

136 
WUUS1 KFWA 271816 RRA
SVRFWA
INC087-271900-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE FORT WAYNE IN
115 PM EST SUN JUL 27 1997
 
THE NATIONAL WEATHER SERVICE IN FORT WAYNE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  200 PM EST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHEAST INDIANA
 
   ...LAGRANGE COUNTY
 
AT 115 PM EST NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
THUNDERSTORM FROM 10 MILES WEST OF SHIPSHEWANA OR 45 MILES NORTHWEST OF
FORT WAYNE. THIS STORM WAS MOVING EAST AT 25 MPH. SOME OF THE TOWNS
AND IN THE PATH OF THIS STORM ARE SHIPSHEWANA AND LAGRANGE.
 
 
 
WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND BY WINDOWS.  DONT USE TELEPHONES
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM
HAS PASSED.  MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 26, 9:28 PM EST	Severe Thunderstorm Warning	IWX	Allen	62 min
Jul 26, 10:25 PM EST	Severe Thunderstorm Warning	IWX	Wabash	50 min
Jul 27, 1:44 PM EST	Severe Thunderstorm Warning	IWX	Noble	31 min
Jul 27, 2:05 PM EST	Severe Thunderstorm Warning	IWX	Whitley	40 min
Jul 27, 2:17 PM EST	Tornado Warning	IWX	Allen	43 min
Jul 27, 2:31 PM EST	Severe Thunderstorm Warning	IWX	Huntington	59 min
Jul 27, 2:49 PM EST	Severe Thunderstorm Warning	IWX	Adams, Wells	56 min

Nearby

Severe Thunderstorm Warnings in Indiana, 1997 Every 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.