Damaging Winds in Wisconsin, September 1, 2002

Name: Damaging Winds in Wisconsin, September 1, 2002
Start: 2002-09-01T22:00
End: 2002-09-01T23:25
Location: Wisconsin

September 1, 2002 · NWS MPX · 7 events in 5 counties and zones

7 thunderstorm wind, as filed by the National Weather Service.

Where it happened

Every event with a place to put it. Tap one for its entry below.

Tornadoes
Tropical storms and surge
Floods
Wind
Hail
Winter weather
Heat and drought
Cold
Fire, smoke and dust
Marine and coastal
Other

Open the live radar over this ground

The toll

Deaths: 0
Injuries: 0
Property damage: None recorded
Crop damage: None recorded
Events: 7

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What forecasters said that day

The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Twin Cities, MN wrote its last area forecast discussion before the first event at Sep 1, 3:00 PM CST, 7 hours earlier.

Area forecast discussion, Sep 1, 3:00 PM CST, 7 hours before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
400 PM CDT SUN SEP 1 2002

TWO WAVES OF CONVECTION ARE EXPECTED OVER THE NEXT NEXT 24 HOURS.
THE FIRST ONE IS EXPECTED TO PASS EAST OF OUR CWA LATER THIS EVENING
OR EARLY MONDAY MORNING. A SECOND AREA OF CONVECTION IS THEN
EXPECTED TO PUSH INTO WEST CENTRAL MINNESOTA AROUND DAYBREAK MONDAY.
AND PUSH RAPIDLY EASTWARD INTO WESTERN WISCONSIN BY MID-DAY. THE
SECOND CONVECTIVE SYSTEM WILL HAVE VERY VIGOROUS DYNAMICS WITH IT
AND WILL HAVE TO BE MONITORED CLOSELY.

WE THEN DRY OUT AND COOL DOWN INTO MID-WEEK AND THIS IS FOLLOWED BY
ANOTHER VERY STRONG WARMUP LATE NEXT WEEK WITH SHOWERS AND
THUNDERSTORMS BY SATURDAY.  DECIDED TO BUCK TEMPERATURES UP FROM MEX
FIGURES BETWEEN 5 AND 10 DEGREES ON THURSDAY AND FRIDAY.

.MSP...NONE.
WET

In the hours before

Local storm report, Sep 1, 7:30 PM CST, 2 hours 30 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
830 PM CDT SUN SEP 01 2002

SUMMARY OF REPORTS TODAY

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1040 AM    3 SE WOODLAND             MN   .75 INCH HAIL
09/01/02   KANABEC                        REPORTED BY PUBLIC.

1155 AM    2 W PIERZ                 MN   .75 INCH HAIL
09/01/02   MORRISON                       REPORTED BY PUBLIC.
                                          EVENT DURATION 5 MINUTES.

1250 PM    GLENWOOD                  MN   .75 INCH HAIL
09/01/02   POPE                           REPORTED BY COOPERATIVE
                                          OBSERVER.

0150 PM    3 S LONG PRAIRIE          MN   .75 INCH HAIL
09/01/02   TODD                           REPORTED BY FIRE AND
                                          RESCUE.

0150 PM    6 N ISLE                  MN   .75 INCH HAIL
09/01/02   MILLE LACS                     REPORTED BY PUBLIC.

0215 PM    9 E LONG PRAIRIE          MN   .75 INCH HAIL
09/01/02   TODD                           REPORTED BY PUBLIC.

0248 PM    4 S ST FRANCIS            MN   .75 INCH HAIL
09/01/02   STEARNS                        REPORTED BY STORM
                                          SPOTTER.

0259 PM    LITTLE FALLS              MN   1.75 INCH HAIL
09/01/02   MORRISON                       REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0300 PM    3 E UPSALA                MN   1.75 INCH HAIL
09/01/02   MORRISON                       EVENT DURATION 5
                                          MINUTES. REPORTED BY
                                          STORM SPOTTER.

0301 PM    LITTLE FALLS              MN   1.5 INCH HAIL
09/01/02   MORRISON                       REPORTED BY STORM
                                          SPOTTER.

0305 PM    MORA                      MN   .75 INCH HAIL
09/01/02   KANABEC                        REPORTED BY PUBLIC.
                                          EVENT DURATION 5 MINUTES.

0321 PM    ST FRANCIS                MN   .75 INCH HAIL
09/01/02   STEARNS                        REPORTED BY HAM RADIO
                                          OPERATOR.

0345 PM    1 N HOLDINGFORD           MN   .75 INCH HAIL
09/01/02   STEARNS                        REPORTED BY HAM RADIO
                                          OPERATOR.

0355 PM    OPOLE                     MN   .88 INCH HAIL
09/01/02   STEARNS                        REPORTED BY HAM RADIO
                                          OPERATOR.

0405 PM    2 NE ST STEPHEN           MN   1 INCH HAIL
09/01/02   STEARNS                        REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0420 PM    2 NW GILMAN               MN   2 INCH HAIL
09/01/02   BENTON                         REPORTED BY STORM
                                          SPOTTER.

0430 PM    6 E MORRILL               MN   .75 INCH HAIL
09/01/02   MORRISON                       EVENT DURATION 10
                                          MINUTES. REPORTED BY
                                          PUBLIC.

0430 PM    RUM RIVER                 MN   1.75 INCH HAIL
09/01/02   BENTON                         EVENT DURATION 10
                                          MINUTES. REPORTED BY
                                          PUBLIC.

0440 PM    8 SE BROWNTON             MN   .75 INCH HAIL
09/01/02   MCLEOD                         REPORTED BY PUBLIC.

0445 PM    7 NW MILACA               MN   1 INCH HAIL
09/01/02   MILLE LACS                     REPORTED BY PUBLIC.

0445 PM    3 SE NEW AUBURN           MN   1.75 INCH HAIL
09/01/02   SIBLEY                         REPORTED BY PUBLIC.
                                          EVENT DURATION 10
                                          MINUTES.

0520 PM    4 NW HENDERSON            MN   .75 INCH HAIL
09/01/02   SIBLEY                         REPORTED BY PUBLIC.

0540 PM    6 SW EAST UNION           MN   .75 INCH HAIL
09/01/02   CARVER                         EVENT DURATION 15
                                          MINUTES. REPORTED BY
                                          PUBLIC.

0554 PM    6 SW FOLEY                MN   1 INCH HAIL
09/01/02   BENTON                         REPORTED BY PUBLIC.

0558 PM    4 S JORDAN                MN   1 INCH HAIL
09/01/02   SCOTT                          REPORTED BY STORM
                                          SPOTTER.

0615 PM    2 E ZIMMERMAN             MN   .75 INCH HAIL
09/01/02   SHERBURNE                      REPORTED BY STORM
                                          SPOTTER.

0750 PM    1 SE WATERTOWN            MN   .75 INCH HAIL
09/01/02   CARVER                         REPORTED BY HAM RADIO
                                          OPERATOR.

Local storm report, Sep 1, 9:10 PM CST, 50 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1010 PM CDT SUN SEP 01 2002

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0910 PM    ANOKA                     MN   .75 INCH HAIL
09/01/02   ANOKA                          REPORTED BY STORM
                                          SPOTTER.

0918 PM    RAMSEY                    MN   .75 INCH HAIL
09/01/02   ANOKA                          REPORTED BY STORM
                                          SPOTTER.

0931 PM    ELK RIVER                 MN   1 INCH HAIL
09/01/02   SHERBURNE                      EVENT DURATION 5
                                          MINUTES. REPORTED BY
                                          STORM SPOTTER.

The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

7 thunderstorm wind. Local standard time, as filed.

Thunderstorm Wind, St. Croix

When: September 1, 10:00 PM CST
Where: St. Croix County, Hudson
Measured: 55 kt (63 mph)
Reported by: LAW ENFORCEMENT
Coordinates: 44.967, -92.767

Large trees down.

Thunderstorm Wind, St. Croix

When: September 1, 10:15 PM CST
Where: St. Croix County, Baldwin
Measured: 55 kt (63 mph)
Reported by: LAW ENFORCEMENT
Coordinates: 44.967, -92.383

Large trees down.

Thunderstorm Wind, Pierce

When: September 1, 10:35 PM CST
Where: Pierce County, 4 mi SE of River Falls
Measured: 52 kt (60 mph)
Reported by: LAW ENFORCEMENT
Coordinates: 44.817, -92.583

Trees down across road.

Thunderstorm Wind, Dunn

When: September 1, 10:55 PM CST
Where: Dunn County, 5 mi NW of Menomonie
Measured: 55 kt (63 mph)
Reported by: LAW ENFORCEMENT
Coordinates: 44.933, -91.983

Few trees down.

Thunderstorm Wind, Pierce

When: September 1, 10:55 PM CST
Where: Pierce County, River Falls
Measured: 55 kt (63 mph)
Reported by: LAW ENFORCEMENT
Coordinates: 44.850, -92.633

Scattered trees down.

Thunderstorm Wind, Pepin

When: September 1, 11:15 PM CST
Where: Pepin County, Pepin
Measured: 50 kt (58 mph)
Reported by: LAW ENFORCEMENT
Coordinates: 44.433, -92.150

Large tree branches down.

Thunderstorm Wind, Chippewa

When: September 1, 11:25 PM CST
Where: Chippewa County, Chippewa Falls
Measured: 55 kt (63 mph)
Reported by: LAW ENFORCEMENT
Coordinates: 44.933, -91.383

Scattered trees down.

What these are

Thunderstorm Wind: Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

Every storm in Wisconsin in 2002 Every state in 2002 This day in weather history Warnings in Wisconsin, September 2002

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5320107, 5320108, 5320109, 5320110, 5320111, 5320112, 5320113.