Alert archive / Indiana / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 21, NWS Northern Indiana

June 17, 1994DeKalb County, Indiana

NWS Northern Indiana issued this severe thunderstorm warning at Jun 17, 1994, 2:38 PM EST for DeKalb County, Indiana. It was in force for 52 min.

The area

The counties it named.

The facts

Issued
Jun 17, 1994, 2:38 PM EST (19:38 UTC)
Expired
Jun 17, 1994, 3:30 PM EST
In force
52 min
Issued by
NWS Northern Indiana
Area
Whole counties

County DeKalb County, IN

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 12:00Z, 7.6 hours before the alert went out and 180 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, Dayton/James M C, OH at 12:00Z on 1994-06-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 193 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, Dayton/James M C, OH at 12:00Z on 1994-06-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 32 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
193 J/kg
Mixed-layer CIN
-155 J/kg
Mixed-layer LCL
1464 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
32 m²/s²
0-3 km storm-relative helicity
40 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 
WUUS1 KFWA 171939 RRA
SVRFWA
INC033-172030-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE FORT WAYNE IN
238 PM EST FRI JUN 17 1994
 
THE NATIONAL WEATHER SERVICE IN FORT WAYNE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  330 PM EST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHEAST INDIANA
 
   ...NORTHERN DEKALB COUNTY
 
AT 235 PM EST...RADAR INDICATED A SEVERE THUNDERSTORM 30 MILES NORTH OF
FORT WAYNE OR 8 MILES NORTH OF AUBURN INDIANA. THE STORM WAS MOVING
SOUTH AT 10 MILES PER HOUR.
 
BY 3 PM EST...THE STORM WILL BE NEAR AUBURN INDIANA.  IF YOU LIVE AROUND
THE CITY OF AUBURN GO TO A SAFE PLACE.
 
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING.  DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
 
WITSAMAN

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 16, 7:02 PM ESTSevere Thunderstorm WarningIWXAdams28 min
Jun 16, 8:04 PM ESTSevere Thunderstorm WarningIWXAllen26 min
Jun 17, 3:33 PM ESTSevere Thunderstorm WarningIWXAllen27 min
Jun 17, 3:45 PM ESTSevere Thunderstorm WarningIWXAdams30 min

Nearby

Severe Thunderstorm Warnings in Indiana, 1994Every severe thunderstorm warning in 1994

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.