Alert archive / Minnesota / Tornado Warnings in 1991
Tornado Warning 3, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this tornado warning at Jun 1, 1991, 8:21 PM CDT for Nobles County, Minnesota. It was in force for 24 min.
The area
The counties it named.
The facts
- Issued
- Jun 1, 1991, 8:21 PM CDT (01:21 UTC)
- Expired
- Jun 1, 1991, 8:45 PM CDT
- In force
- 24 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Whole counties
County Nobles County, MN
The nearest sounding before it
Minneapolis, MN (KSTC), launched 00:00Z, 1.4 hours before the alert went out and 216 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.
- Mixed-layer CAPE
- 563 J/kg
- Mixed-layer CIN
- -21 J/kg
- Mixed-layer LCL
- 951 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 45 m²/s²
- 0-3 km storm-relative helicity
- 85 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KFSD 020121 TORFSD MNC105-020145- BULLETIN - EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE SIOUX FALLS SD 821 PM CDT SAT JUN 1 1991 THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 845 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES... IN SOUTHWEST MINNESOTA ...WESTERN NOBLES COUNTY SOME MINNESOTA CITIES INCLUDED IN THIS WARNING ARE LISMORE AND WILMONT. AT 812 PM CDT THE SHERIFF DEPARTMENT REPORTED A TORNADO BETWEEN KENNETH AND LISMORE MINNESOTA...30 MILES EAST OF SIOUX FALLS SD. THE TORNADO WAS MOVING NORTHEAST AT 20 MPH. IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A BASEMENT. GET UNDER A WORKBENCH OR PIECE OF STUR3DY 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, Jun 1, 3:11 PM CDT, 5 hours 10 minutes before
IAZ001-004-005-012200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX CITY IA 310 PM CDT SAT JUN 1 1991 ...SEVERE THUNDERSTORM WATCH FOR WEST CENTRAL IOWA AND NORTHEAST NEBRASKA UNTIL 8 PM CDT... AT 305 PM NO THUNDERSTORM ACTIVITY WAS OCCURRING IN THE SIOUXLAND AREA. THE NEAREST PRECIPITATION WAS 45 MILES SOUTH OF SIOUX CITY... NEAR OAKLAND NEBRASKA. THIS WAS PART OF A LARGER AREA OF THUNDERSTORMS WHICH EXTENDED INTO EAST CENTRAL NEBRYASKA. THESE SHOWERS AND THUNDERSTORMS WERE MOVING NORTHEAST AT 25 MILES AN HOUR. THEY WILL ENTER THE SIOUXLAND AREA BETWEEN 4 AND 5 PM AND SHOULD REACH SIOUX CITY AROUND 6 PM. SEVERE STORMS ARE POSSIBLE AND LOCALLY HEAVY RAIN LIKELY. DROZD
Special weather statement, Jun 1, 4:15 PM CDT, 4 hours 6 minutes before
IAZ001-004-005-012200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX CITY IA 415 PM CDT SAT JUN 1 1991 ...THE SEVERE THUNDERSTORM WATCH FOR NORTHWEST IOWA AND FAR NORTHEAST NEBRASKA UNTIL 8 PM CDT HAS BEEN CANCELLED... THE SEVERE WEATHER WAS OCCURRING SOUTH OF THE SIOUXLAND AREA THIS AFTERNOON. SCATTERED SHOWERS AND THUNDERSHOWERS WERE ACROSS NORTHEAST NEBRASKA AT 413 PM. MOVEMENT WAS NORTHEAST AT 20 MILES AN HOUR. SCATTERED SHOWERS AND THUNDERSTORMS WILL MOVE ACROSS THE SIOUXLAND AREA FO THE REST OF THE AFTERNOON. SOME THUNDERSTORMS MAY PRODUCE LOCALLY HEAVY RAINFALL. HOPPES
Nearby
Tornado Warnings in Minnesota, 1991Every tornado warning in 1991Tornadoes in 1991
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.