Alert archive / Wisconsin / Tornado Warnings in 1990
Tornado Warning 4, NWS Duluth, MN
NWS Duluth, MN issued this tornado warning at Sep 11, 1990, 7:59 PM CDT for Sawyer County, Washburn County, Wisconsin. It was in force for 61 min. 1 report 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
- Sep 11, 1990, 7:59 PM CDT (00:59 UTC)
- Expired
- Sep 11, 1990, 9:00 PM CDT
- In force
- 61 min
- Issued by
- NWS Duluth, MN
- Area
- Whole counties
Counties Sawyer County, WI, Washburn County, WI
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 11, 8:35 PM CDT | Hail 1 | Washburn, WI |
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
Minneapolis, MN (KSTC), launched 00:00Z, 1.0 hours before the alert went out and 203 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
- 2675 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 1580 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 159 m²/s²
- 0-3 km storm-relative helicity
- 278 m²/s²
- Significant tornado parameter
- 1.2
- Supercell composite
- 18.1
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KDLH 120058
TORDLH
WIC113-129-120200-
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DULUTH MN
759 PM CDT TUE SEP 11 1990
THE NATIONAL WEATHER SERVICE IN DULUTH HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 900 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN NORTHWEST WISCONSIN
...SOUTHWESTERN SAWYER...SOUTHEASTERN WASHBURN
A SEVERE THUNDERSTORM WAS LOCATED NEAR THE TOWN OF HAUGEN IN EXTREME
NORTHERN BARRON COUNTY MOVING EAST NORTHEAST AT 10 TO 15 MILES AN
HOUR. A TORNADO WAS REPORTED SOUTHWEST OF HAUGEN MOVING EAST NORTHEAST
AT 15 TO 20 MILES AN HOUR. TOWNS IN THE PATH OF THIS SEVERE STORM WITH
NUMEROUS REPORTS OF FUNNEL CLOUDS AND TORNADOS...INCLUDE BIRCHWOOD IN
THE EXTREME SOUTHEAST CORNER OF WASHBURN COUNTY.
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.
THIS IS A DANGEROUS STORM SITUATION. ACT QUICKLY. IF YOU ARE
IN THE PATH OF THIS TORNADO MOVE TO A SHELTER BELOW GROUND IF
AVAILABLE. OTHERWISE...GO TO A SMALL INTERIOR ROOM ON THE LOWEST
FLOOR POSSIBLE. AVOID WINDOWS. ABANDON CARS AND MOBILE HOMES
FOR A REINFORCED BUILDING OR GET INTO A DITCH OR CULVERT.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, Sep 11, 5:48 PM CDT, 2 hours 11 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INTERNATIONAL FALLS MN 545 PM CDT TUE SEP 11 1990 AT 530 PM CDT...RADAR INDICATED SEVERAL HEAVY THUNDERSTORMS ALONG THE MINNESOTA/CANADIAN BORDER NEAR INTERNATIONAL FALLS AND EXTENDING SOUTHWEST TOWARD FARGO. THESE STORMS ARE MOVING TO THE EAST AT 30 MPH AND WILL MOVE OVER RAINY LAKE AREA...CLEAR WATER AND SOUTHWEST BELTRAMI COUNTIES BY 630 PM CDT. THESE STORMS MAY CONTAIN HEAVY RAIN...STRONG GUSTY WINDS...SMALL HAIL... AND DANGEROUS LIGHTENING. BOATERS AND OTHER OUTDOOR ENTHUSIASTS...SHOULD SEEK SHELTER IF THUNDERSTORMS APPROACH. KEEP TUNED TO NOAA WEATHER RADIO...YOUR FAVORITE AM/FM RADIO OR TV STATION IN THE EVENT FURTHER STAT9EMENTS ARE REQUIRED. CARROLL
Special weather statement, Sep 11, 5:50 PM CDT, 2 hours 9 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INTERNATIONAL FALLS MN 545 PM CDT TUE SEP 11 1990 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR A LARGE PORTION OF CENTRAL AND NORTHERN MINNESOTA UNTIL 1100 PM CDT... AT 530 PM CDT...RADAR INDICATED SEVERAL HEAVY THUNDERSTORMS ALONG THE MINNESOTA/CANADIAN BORDER NEAR INTERNATIONAL FALLS AND EXTENDING SOUTHWEST TOWARD FARGO. THESE STORMS ARE MOVING TO THE EAST AT 30 MPH AND WILL MOVE OVER RAINY LAKE AREA...CLEAR WATER AND SOUTHWEST BELTRAMI COUNTIES BY 630 PM CDT. THESE STORMS MAY CONTAIN HEAVY RAIN...STRONG GUSTY WINDS...SMALL HAIL... AND DANGEROUS LIGHTENING. BOATERS AND OTHER OUTDOOR ENTHUSIASTS...SHOULD SEEK SHELTER IF THUNDERSTO<RMS APPROACH. KEEP TUNED TO NOAA WEATHER RADIO...YOUR FAVORITE AM/FM RADIO OR TV STATION IN THE EVENT FURTHER STATEMENTS ARE REQUIRED. CARROLL
Special weather statement, Sep 11, 7:13 PM CDT, 46 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DULUTH, MN 705 PM CDT TUE SEP 11 1990 ...A SEVERE THUNDERSTORM WATCH FOR PARTS OF NORTH AND CENTRAL WISCONSIN UNTIL 11 PM CDT... AT 7 OCLOCK THIS EVENING THUNDERSTORMS WITH HEAVY RAIN AND SMALL HAIL WERE OCURRING IN EAST CENTRAL WASHBURN COUNTY AND WEST CENTRAL SAWYER COUNTY OF NORTHWEST WISCONSIN. NO MOVEMENT WAS EVIDENT AS THESE STORMS HAD DEVELOPED SINCE 640 PM THIS EVENING. THESE STORMS WERE 10 MILES SOUTHWEST AND 15 MILES SOUTHEAST OF HAYWARD. THE SEVERE THUNDERSTORMS PRODUCING LARGE HAIL AND DAMAGING TORNADO WINDS WERE 20 TO 30 MILES SOUTH OF THIS AREA FROM CUMBERLAND TO EAST OF RICE LAKE IN NORTHEAST BARRON AND NORTHWEST RUSK COUNTIES. THUNDERSTORMS IN THIS AREA OF WISCONSIN HAVE THE POTENTIAL TO PRODUCE SEVERE WEATHER. CHRISTENSON
Special weather statement, Sep 11, 7:28 PM CDT, 31 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INTERNATIONAL FALLS MN 725 PM CDT TUE SEP 11 1990 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR A LARGE PORTION OF CENTRAL AND NORTHERN MINNESOTA UNTIL 1100 PM CDT... AT 720 PM CDT...RADAR INDICATED A LINE OF HEAVY THUNDERSTORMS JUST EAST OF INTERNATIONAL FALLS TO BEMIDJI. THESE STORMS ARE MOVING TO THE EAST AT 25 MPH AND WILL CONTINUE THROUGH KOOCHICING COUNTY OVER THE NEXT FEW HOURS. THESE STORMS MAY CONTAIN HEAVY RAIN...STRONG GUSTY WINDS...SMALL HAIL... AND DANGEROUS LIGHTENING. BOATERS AND OTHER OUTDOOR ENTHUSIASTS...SHOULD SEEK SHELTER IF THUNDERSTORMS APPROACH. KEEP TUNED TO NOAA WEATHER RADIO...YOUR FAVORITE AM/FM RADIO OR TV STATION IN THE EVENT FURTHER STATEMENTS ARE REQUIRED. SCW
Special weather statement, Sep 11, 7:38 PM CDT, 21 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DULUTH, MN 735 PM CDT TUE SEP 11 1990 ...A SEVERE THUNDERSTORM WATCH FOR PARTS OF NORTH AND CENTRAL WISCONSIN UNTIL 11 PM CDT... ...A SEVERE THUNDERSTORM WATCH FOR PART OF NORTH AND NORTHEAST MINNESOTA UNTIL 11 PM CDT THIS EVENING... AT 730 PM CDT SHOWERS AND THUNDERSTORMS WERE DEVELOPING IN A TRIANGLE BETWEEN BEMIDJI..BLACKDUCK AND WINNIBIGOSHISH IN NORTHCENTRAL MINNESOTA. THESE STORMS ARE CAPABLE OF PRODUCING WIND GUSTS TO 40 MILES AN HOUR ALONG WITH SMALL HAIL AND LIGHTNING AS THEY MOVE EAST INTO ITASCA COUNTY AND EXTREME NORTH CASS COUNTY...CROSSING LAKE WINNIBIGOSHISH. OTHER THUNDERSTORMS PRODUCING SMALL HAIL AND HEAVY RAIN WERE FROM THE NORTHERN EDGE OF CRANE LAKE NEAR THE CANADIAN BORDER BACK WEST NORTHWEST INTO INTERNATIONAL FALLS. THESE STORMS WERE SAGGING SOUTHEAST AS THEY CONTINUED TO DIE OFF AND REDEVELOP...WITH INDIVIDUAL STORMS MOVING EAST AT 30 MILES AN HOUR. ..J.CHRISTENSON..
Local storm report, Sep 11, 7:54 PM CDT, 5 minutes before
LOCAL STORM REPORT SUMMARY
NATIONAL WEATHER SERVICE INTERNATIONAL FALLS MN
755 PM CDT TUE SEP 11 1990
608 PM CDT...3/4 INCH HAIL REPORTED AT INTERNATIONAL FALLS, MN
...DOWNTOWN.
CARROLLThe office that day
Everything else NWS Duluth, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 11, 8:50 PM CDT | Severe Thunderstorm Warning | DLH | Sawyer, Washburn | 55 min |
| Sep 11, 9:50 PM CDT | Severe Thunderstorm Warning | DLH | Bayfield, Douglas, Sawyer, Washburn | 55 min |
Nearby
Tornado Warnings in Wisconsin, 1990Every tornado warning in 1990Tornadoes in 1990
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.