Alert archive / Iowa / Tornado Warnings in 1995

Tornado Warning 3, NWS Sioux Falls, SD

May 27, 1995Woodbury County, Iowa; Dakota County, Nebraska

NWS Sioux Falls, SD issued this tornado warning at May 27, 1995, 6:00 PM CDT for Woodbury County, Iowa; Dakota County, Nebraska. It was in force for 45 min.

The area

The counties it named.

The facts

Issued
May 27, 1995, 6:00 PM CDT (23:00 UTC)
Expired
May 27, 1995, 6:45 PM CDT
In force
45 min
Issued by
NWS Sioux Falls, SD
Area
Whole counties

Counties Woodbury County, IA, Dakota County, NE

The nearest sounding before it

Omaha, NE (KOAX), launched 12:00Z, 11.0 hours before the alert went out and 119 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 1995-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1995-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 81 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
522 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
81 m²/s²
0-3 km storm-relative helicity
148 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 KFSD 272303
TORFSD
IAC193-NEC043-272345-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
600 PM CDT SAT MAY 27 1995
 
THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  645 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHWEST IOWA
 
   ...WESTERN WOODBURY COUNTY
 
 
IN NORTHEAST NEBRASKA
 
   ...EASTERN DAKOTA COUNTY
 
AT 600 PM WEATHER SERVICE DOPPLER RADAR CONTINUED TO SHOW A SEVERE
THUNDERSTORM WITH STRONG ROTATION BETWEEN HUBBARD AND DAKOTA CITY. THIS
STORM WAS MOVING NORTH AT 15 TO 20 MPH.  LOCAL SPOTTERES ALSO SAW SIGNS 
ROTATION WITH THIS STORM 3 MILES WEST OF SIOUX CITY AIRPORT.
 
THIS IS A DANGEROUS STORM.  MOVE QUICKLY TO UNDERGROUND SHELTER IF
AVAILABLE.  OTHERWISE...GO TO AN INTERIOR ROOM ON THE LOWEST FLOOR AN
AVOID WINDOWS.  ABANDON CARS AND MOBILE HOMES FOR A STURDY BUILDING.
 
THIS IS A DANGEROUS STORM...TAKE COVER NOW!
 
HOLMES

The office that day

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

IssuedProductOfficeCountiesLasted
May 27, 4:29 PM CDTTornado WarningFSDDixon31 min
May 27, 5:05 PM CDTSevere Thunderstorm WarningFSDDixon25 min
May 27, 5:32 PM CDTTornado WarningFSDDakota28 min

Nearby

Tornado Warnings in Iowa, 1995Tornado Warnings in Nebraska, 1995Every tornado warning in 1995Tornadoes in 1995

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.