Alert archive / Indiana / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 34, NWS Northern Indiana

July 27, 1997Noble County, Indiana

NWS Northern Indiana issued this severe thunderstorm warning at Jul 27, 1997, 1:44 PM EST for Noble County, Indiana. It was in force for 31 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, 1:44 PM EST (18:44 UTC)
Expired
Jul 27, 1997, 2:15 PM EST
In force
31 min
Issued by
NWS Northern Indiana
Area
Whole counties

County Noble County, IN

The watch it was issued in

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

IssuedProductOfficeLasted
Jul 27, 11:45 AM ESTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 6.7 hours before the alert went out and 220 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, Detroit, MI at 12:00Z on 1997-07-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 6 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, Detroit, MI at 12:00Z on 1997-07-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -8 square meters per square second.193958Sfc1 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
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.

000 
TTAA00 KFWA 271845 RRA
SVRFWA
INC113-271915-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE FORT WAYNE IN
144 PM EST SUN JUL 27 1997
 
THE NATIONAL WEATHER SERVICE IN FORT WAYNE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  215 PM EST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHEAST INDIANA
 
   ...NOBLE COUNTY
 
AT 145 PM EST RADAR INDICATED A SEVERE THUNDERSTORM WAS LOCATED 5 MILES
SOUTHEAST OF ALBION OR 25 MPH NORTHWEST OF FORT WAYNE. THIS STORM WAS
MOVING SOUTHEAST AT 30 MPH. THE TOWN OF MERRIAM IS IN THE PATH OF THIS
STORM.
 
 
WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND BY WINDOWS.  DON'T USE zTELEPHONES
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.

IssuedProductOfficeCountiesLasted
Jul 26, 9:28 PM ESTSevere Thunderstorm WarningIWXAllen62 min
Jul 26, 10:25 PM ESTSevere Thunderstorm WarningIWXWabash50 min
Jul 27, 1:15 PM ESTSevere Thunderstorm WarningIWXLaGrange45 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; the sounding from the Mesonet's radiosonde archive.