Alert archive / Nebraska / Tornado Warnings in 1996

Tornado Warning 10, NWS Sioux Falls, SD

July 16, 1996Dixon County, Nebraska

NWS Sioux Falls, SD issued this tornado warning at Jul 16, 1996, 6:38 PM CDT for Dixon County, Nebraska. It was in force for 47 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jul 16, 1996, 6:38 PM CDT (23:38 UTC)
Expired
Jul 16, 1996, 7:25 PM CDT
In force
47 min
Issued by
NWS Sioux Falls, SD
Area
Whole counties

County Dixon County, NE

The radar

The Sioux Falls radar (KFSD), 122 km from the middle of the area, began a volume at 23:38 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Jul 16, 7:00 PM CDTThunderstorm Wind 62Dixon, NE

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Omaha, NE (KOAX), launched 12:00Z, 11.6 hours before the alert went out and 137 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, Omaha, NE at 12:00Z on 1996-07-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 60 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Omaha, NE at 12:00Z on 1996-07-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 41 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
60 J/kg
Mixed-layer CIN
-172 J/kg
Mixed-layer LCL
1676 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
41 m²/s²
0-3 km storm-relative helicity
254 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KFSD 162338
TORFSD
NEC051-170025-

BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
638 PM CDT TUE JUL 16 1996

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS SD HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 725 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN NORTHEAST NEBRASKA

   ...SOUTHERN DIXON COUNTY
 
AT 637 PM CDT...A DEVELOPING TORNADO WAS INDICATED BY SIOUX FALLS
DOPPLER RADAR 34 MILES WEST OF SIOUX CITY OR NEAR DIXON MOVING EAST
AT 20 MPH.

AT PRESENT MOVEMENT THE TORNADO WILL BE AROUND...
DIXON                    AROUND 640 PM CDT
CONCORD                  AROUND 645 PM CDT
ALLEN                    AROUND 700 PM CDT
 
PEOPLE IN DIXON ARE IN THE PROJECTED PATH OF THE DEVELOPING TORNADO
AND SHOULD TAKE SHELTER IMMEDIATELY.  MOVE INSIDE A STORM CELLAR...
A BASEMENT...OR A SMALL INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOUSE.

CHAPMAN

Nearby

Tornado Warnings in Nebraska, 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.