Alert archive / Iowa / Tornado Warnings in 1996

Tornado Warning 7, NWS Des Moines, IA

June 16, 1996Chickasaw County, Iowa

NWS Des Moines, IA issued this tornado warning at Jun 16, 1996, 4:12 PM CDT for Chickasaw County, Iowa. It was in force for 33 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
Jun 16, 1996, 4:12 PM CDT (21:12 UTC)
Expired
Jun 16, 1996, 4:45 PM CDT
In force
33 min
Issued by
NWS Des Moines, IA
Area
Whole counties

County Chickasaw County, IA

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 9.2 hours before the alert went out and 219 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, Davenport, at 12:00Z on 1996-06-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 157 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, Davenport, at 12:00Z on 1996-06-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 98 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
157 J/kg
Mixed-layer CIN
-111 J/kg
Mixed-layer LCL
1194 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
98 m²/s²
0-3 km storm-relative helicity
82 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 KALO 162111
TORALO
IAC037-162145-
 
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE WATERLOO IA
412 PM CDT SUN JUN 16 1996
 
THE NATIONAL WEATHER SERVICE IN WATERLOO HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  445 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHEAST IOWA
 
   ...SOUTHERN CHICKASAW COUNTY
 
LOCAL LAW ENFORCEMENT REPORTED A TORNADO NEAR THE TOWN OF FREDERIKA IN
BREMER COUNTY. THE STORM WAS MOVING NORTHEAST AT 25 MPH AND WILL AFFECT
THE TOWN OF FREDRICKSBURG AND SURROUNDING RURAL AREAS.
 
 
DO NOT TRY TO OUTRUN A TORNADO IN YOUR CAR.  ABANDON YOUR CAR AND
SEEK SHELTER IN A REINFORCED BUILDING.  IF NO STRUCTURE IS NEARBY...
SEEK SHELTER IN A DITCH OR LOW SPOT.
 
 
 
 
&

The office that day

Everything else NWS Des Moines, IA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 16, 4:02 PM CDTTornado WarningDMXBremer13 min
Jun 16, 6:23 PM CDTTornado WarningDMXFayette37 min

Nearby

Tornado Warnings in Iowa, 1996Every tornado warning in 1996Tornadoes in 1996

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.