Flood, Cottonwood
- When
- April 5, 6:00 AM CST to April 30, 11:59 PM CST
- Where
- Cottonwood forecast zone
- Reported by
- OFFICIAL NWS OBS.
- Coordinates
- 44.007, -95.181 (the zone’s center; the record gives no point)
Flooding along the Des Moines River affected mainly farmland and undeveloped lowlands near the river. The river crested several times, with the highest readings during the last week of April, after heavy rain fell over the area.
Every event with a place to put it; 2 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
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.
The episode as NWS FSD wrote it up.
Flooding along the Des Moines River affected mainly farmland and undeveloped lowlands near the river. The river crested several times, with the highest readings during the last week of April, after heavy rain fell over the area. Some parkland was flooded in Windom.
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 Sioux Falls, SD wrote its last area forecast discussion before the first event at Apr 5, 2:30 AM CST, 3 hours 30 minutes earlier.
AREA FORECAST DISCUSSION FOR SOUTHEAST SD/SOUTHWEST MN/NORTHWEST IA NATIONAL WEATHER SERVICE SIOUX FALLS SD 330 AM CDT THU APR 5 2001 LO LVL MOISTR IN ABUNDANCE AND SHUD RESULT IN AREAS OF DRZZL AND SOME FOG TDA. FOR NOW WILL NOT GO WITH ADVSY ON DNS FOG WITHG ONLY HON AT A QUARTER MILE...BUT WILL BE DOING SOME CHECKNG AND MORE LOOKG. SOME OF THE FOG WILL SPRD EWD OVER AREA THIS MRNG AS WK SFC TROF MOES OVER ERN PART OF AREA. MODELS SHOW SOME MID LVL LIFT OVER AREA TDA WITH MRGNL MID LVL MOISTR. WILL KEEP CHC SHWRS AND PRBLY NOT GO ABV 30 PCT. SAME THNG FOR TNGT ON SHWRS XCP LATE TNGT SOME OF THE FORCG FOR FRI EVENT GETS TO SRN EDGE OF AREA AND WILL GO SLGTLY STGR THERE. FRI AND FRI NGT SHUD BE THE MAIN EVENT AND WILL GO UNQUALIFIED POPS FOR SHWRS AND TSTMS. THO SOME HVY RAIN PSBL...THINK FCST AS WRITTEN IMPLIES THIS AND WITH RPD CELL MOVEMNT A SURE BET WILL NOT MENTN IN FCST FOR NOW. IF THERE ARE HVR RAINFALL AMNTS THEY WILL BE DUE TO WDSPRD CVRG. AS FAR AS SVR...SRN/SERN EDGE OF FCST AREA CUD BE RIPE DEPENDG ON MOISTR AVBLTY AS DISCUSSED IN SPC DAY 2 OUTLOOK. WILL MENTN JUST FOR THIS AREA FOR NOW. PLENTY OF TIME LEFT TO GET MORE SPECIFIC WHEN DETAILS OF THIS EVENT COME INTO MORE CLEAR AND DETAILED FOCUS. WILL BE CONSERVATIVE ON TEMPS WITH HVY CLD CVR AND GO CLOSE TO GUIDNCE...A LTL WRMR ON LOWS TNGT. IF SYS REACHES HEIGHT OF POTENTIAL STRNGTH AS FAR AS BRINGNG UP WRN AIR...SERN CRNR CUD GET WRMR THAT WHAT WE HAVE FOR FRI BUT WITH DECNT RAIN EVENT PSBL WILL HOLD TO LWR 60S SUX AREA ZNS FOR NOW. LTL CHANGE IN EXTNDED FCST WITH ANOTHER SHOT SUN AND ANOTHER YEST MAYBE BY END OF PD...IN ANY EVENT CURNT EXTNDED LOOKS AS GOnOD AS CAN BE AND AVN/MRF DESPITE ITS USUAL DAY TO DAY SWINGS IS FAIRLY CONSISTNT WITH YESTERDAYS RUN THIS TIME. .FSD...NONE WILLIAMS
The national radar mosaic for the moment the first event began.
2 flood. Local standard time, as filed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Minnesota in 2001Every state in 2001This day in weather historyWarnings in Minnesota, April 2001
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: 5242863, 5242864.