Alert archive / Nebraska / Tornado Warnings in 1992

Tornado Warning 3, NWS Sioux Falls, SD

May 16, 1992Dakota County, Nebraska

NWS Sioux Falls, SD issued this tornado warning at May 16, 1992, 6:59 PM CDT for Dakota County, Nebraska. It was in force for 46 min. 2 reports 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
May 16, 1992, 6:59 PM CDT (23:59 UTC)
Expired
May 16, 1992, 7:45 PM CDT
In force
46 min
Issued by
NWS Sioux Falls, SD
Area
Whole counties

County Dakota County, NE

What was reported inside it

TimeReportWhereRemark
May 16, 7:02 PM CDTHail 1.75Dakota, NE
May 16, 7:30 PM CDTHail 1Dakota, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Omaha, NE (KOVN), launched 12:00Z, 12.0 hours before the alert went out and 120 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 1992-05-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 80 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, Omaha, NE at 12:00Z on 1992-05-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 52 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
80 J/kg
Mixed-layer CIN
-69 J/kg
Mixed-layer LCL
756 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
52 m²/s²
0-3 km storm-relative helicity
126 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 KSUX 170003
TORSUX
NEC043-170045-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SIOUX CITY IA
659 PM CDT SAT MAY 16 1992
 
THE NATIONAL WEATHER SERVICE IN SIOUX CITY HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  745 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHEAST NEBRASKA
 
   ...DAKOTA COUNTY
 
AT 657 PM RADAR INDICATED A POSSIBLE TORNADO ON THE GROUND NORTH OF
EMERSON NEBRASKA OR 15 MILE WEST OF SIOUX CITY. THIS STORM IS MOVING
EAST AT 30 MILES. THE TOWNS OF HOMER AND SIOUX CITY ARE IN THE PATH OF
THIS STORM. TAKE COVER NOW.
 
 
THIS IS A DANGEROUS STORM. TAKE COVER IMMEDIATELY. IF YOU ARE IN A
STRONG BUILDING GO TO AN INTERIOR ROOM ON THE LOWEST FLOOR. AVOID
WINDOWS. ABANDON CARS AND MOBILE HOMES FOR A REINFORCED BUILDING OR
GET INTO A DITCH OR DEPRESSION...COVER YOUR HEAD WITH YOUR HANDS.

The office that day

Everything else NWS Sioux Falls, SD issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 16, 6:30 PM CDTTornado WarningFSDDixon30 min

Nearby

Tornado Warnings in Nebraska, 1992Every tornado warning in 1992Tornadoes in 1992

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.