Alert archive / Minnesota / Tornado Warnings in 1988

Tornado Warning 3, NWS Sioux Falls, SD

July 8, 1988Jackson County, Minnesota

NWS Sioux Falls, SD issued this tornado warning at Jul 8, 1988, 2:48 PM CDT for Jackson County, Minnesota. It was in force for 27 min.

The area

The counties it named.

The facts

Issued
Jul 8, 1988, 2:48 PM CDT (19:48 UTC)
Expired
Jul 8, 1988, 3:15 PM CDT
In force
27 min
Issued by
NWS Sioux Falls, SD
Area
Whole counties

County Jackson 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, 7.8 hours before the alert went out and 180 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 1988-07-08Temperature 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 1988-07-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 33 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
NaN m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
33 m²/s²
0-3 km storm-relative helicity
55 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 KMSP 081950
TORFSD
MNC063-082015-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SOUTH DAKOTA
ISSUED BY MINNEAPOLIS MN
248 PM CDT FRI JUL 8 1988
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  315 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN SOUTHWEST MINNESOTA
          ...EASTERN JACKSON
 
SEVERAL PUBLIC REPORTS OF FUNNELS CONTINUED TO BE RECEIVED BETWEEN
230PM AND 245 PM IN EASTERN JACKSON COUNTY...BETWEEN THE TOWNS OF
JACKSON AND BERGEN. THIS IS ABOUT 30 MILES WEST OF FAIRMONT. THE
SEVERE THUNDERSTORM SPAWNING THESE REPORTS WAS BETWEEN THE CITIES OF
JACKSON AND BERGEN MOVING EAST TO NORTHEAST AT 20 MPH TOWARD HIGHWAY
29.
 
IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A
BASEMENT.  GET UNDER A WORKBENCH OR PIECE OF STURDY 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.
PAULSON

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 8, 2:32 PM CDTTornado WarningFSDJackson13 min

Nearby

Tornado Warnings in Minnesota, 1988Every tornado warning in 1988Tornadoes in 1988

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.