Wisconsin, 2001

Flooding in Wisconsin, May 1 to 8, 2001

May 1 to 8, 2001 · NWS MPX · 3 events in 3 counties and zones

3 flood, as filed by the National Weather Service.

Where it happened

Every event with a place to put it; 3 filed by county or forecast zone are drawn at its center, in a lighter ring. 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
3

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 Apr 30, 8:00 PM CST, 4 hours earlier.

Area forecast discussion, Apr 30, 8:00 PM CST, 4 hours before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
900 PM CDT MON APR 30 2001

BRF ROUND OF HAIL PRODUCING TSTMS IN SC MN NOW WKNG WITH ONSET OF
DARKNESS AND MVMT INTO LESS FVBL LOW LVL WND/STABILITY FIELD.
ADVANCE OF LOW DWPTS ACRS W CWA HAS PRETTY MUCH HALTED AS RIDGING
BUILDING AND SLY FLOW DLPG AHD OF LOW IN E NEB.  ONCE CLDS CLR..MAY
SEE SOME AREAS OF FOG E CWA AS SPRDS NOW ONLY A FEW DEGREES.
NO CHGS BEYOND FIRST PRD. SYS COMING ACRS ID/MT LOOKS RATHER
VIGOROUS FOR MN TMRW.

.MSP...NONE.
PAULSON

In the hours before

Local storm report, Apr 30, 7:46 PM CST, 4 hours 14 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
846 PM CDT MON APR 30 2001

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

0734 PM    1 S TRUMAN                MN   1 INCH HAIL
04/30/01   MARTIN                         REPORTED BY PUBLIC.

The radar

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

Open the radar archive at this moment

Event by event

3 flood. Local standard time, as filed.

Flood, St. Croix

When
May 1, 12:00 AM CST to May 8, 12:00 PM CST
Where
St. Croix forecast zone
Reported by
EMERGENCY MANAGER
Coordinates
45.034, -92.453 (the zone’s center; the record gives no point)

Snowmelt flooding that began April 1 continued into early May along the St. Croix and Mississippi Rivers. See April Storm Data for details, including damage amounts. The last of the river levels finally went below warning criteria on May 8.

Flood, Pepin

When
May 1, 12:00 AM CST to May 8, 12:00 PM CST
Where
Pepin forecast zone
Reported by
EMERGENCY MANAGER
Coordinates
44.483, -92.150 (the zone’s center; the record gives no point)

Flood, Pierce

When
May 1, 12:00 AM CST to May 8, 12:00 PM CST
Where
Pierce forecast zone
Reported by
EMERGENCY MANAGER
Coordinates
44.720, -92.422 (the zone’s center; the record gives no point)

What these are

Flood
Flooding that develops more slowly than a flash flood: rivers leaving their banks, or water standing over land for an extended time.

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

The same day elsewhere

More

Every storm in Wisconsin in 2001Every state in 2001This day in weather historyWarnings in Wisconsin, May 2001

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: 5249354, 5249355, 5249356.