Alert archive / Minnesota / Tornado Warnings in 1989

Tornado Warning 5, NWS Sioux Falls, SD

July 30, 1989Jackson County, Murray County, Nobles County, Minnesota

NWS Sioux Falls, SD issued this tornado warning at Jul 30, 1989, 3:05 PM CDT for Jackson County, Murray County, Nobles County, Minnesota. It was in force for 25 min.

The area

The counties it named.

The facts

Issued
Jul 30, 1989, 3:05 PM CDT (20:05 UTC)
Expired
Jul 30, 1989, 3:30 PM CDT
In force
25 min
Issued by
NWS Sioux Falls, SD
Area
Whole counties

Counties Jackson County, MN, Murray County, MN, Nobles County, MN

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Minneapolis, MN (KSTC), launched 12:00Z, 8.1 hours before the alert went out and 195 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, Minneapolis, MN at 12:00Z on 1989-07-30Temperature 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, Minneapolis, MN at 12:00Z on 1989-07-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 54 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
569 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
54 m²/s²
0-3 km storm-relative helicity
67 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 302006
TORFSD
MNC063-101-105-302030-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
305 PM CDT SUN JUL 30 1989
 
THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  330 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN SOUTHWEST MINNESOTA
          ...NORTHWESTERN JACKSON...SOUTHEASTERN MURRAY
          ...NORTHEASTERN NOBLES
 
AT 3 PM CDT A FUNNEL CLOUD WAS REPORTED JUST SOUTHWEST OF FULDA
MINNESOTA...55 MILES NORTHEAST OF SIOUX FALLS. THE FUNNEL CLOUD WAS
MOVING TO THE EAST SOUTHEAST AT 15 MPH.
 
IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A
BASEMENT.  GET UNDER A WORKBENCH OR PIECE OF RSTURDY FURNITURE.
IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM
SUCH AS A CLOSET ON THE LOWEST FLOOR.  USE BLANKETS...PILLOWS...
OR CUSHIONS TO COVER YOUR BODY.  AVOID WINDOWS.
BEHREND

What forecasters said that day

The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Jul 30, 2:53 PM CDT, 12 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
250 PM CDT SUN JUL 30 1989

...STONG THUNDERSTORMS OVER SOUTHWEST MINNESOTA...

AT 245 PM RADAR INDICATED STRONG THUNDERSTORMS WITH VERY HEAVY RAIN AND
HAIL OVER THE SOUTHWEST MINNESOTA COUNTY OF MURRAY. THE THUNDERSTORMS
WERE IN AN AREA FROM 40 MILES NORTHEAST OF SIOUX FALLS NEAR CHANDLER
MINNESOTA TO 60 MILES NORRHEAST OF SIOUX FALLS NEAR DOVRAY MINNESOTA.
AT 240 PM CDT PEA SIZE HAIL AND HEAVY RAIN WAS REPORTED IN THE
DOVRAY AREA...WHILE LAKE WILSON AND CHANDLER REPORTED VERY HEAVY RAIN.
THE THUNDERSTORMS WERE MOVING EAST SOUTHEAST AT 15 MPH.

PEOPLE THROUGH SOUTHWEST MINNESOTA...ESPECIALLY IN THE TOWN OF CHANDLER6
...WILMONT...FULDA...WORTHINGTON..LAKEFIELD...HERON LAKE AND WESTBROOK
SHOULD BE ALERT UNTIL 430 PM CDT.

BEHREND

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 30, 3:24 PM CDTTornado WarningFSDJackson, Nobles16 min

Nearby

Tornado Warnings in Minnesota, 1989Every tornado warning in 1989Tornadoes in 1989

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.