1 high wind, as filed by the National Weather Service.
Every event with a place to put it; 1 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 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 29, 8:05 PM CST, 2 hours 54 minutes earlier.
AREA FORECAST DISCUSSION FOR SOUTHEAST SD/SOUTHWEST MN/NORTHWEST IA NATIONAL WEATHER SERVICE SIOUX FALLS SD 905 PM CDT SUN APR 29 2001 RATHER BUSY EVENING WITH MONITORING CONVECTION. INITIAL ACTIVITY DEVELOPING ALG FRONTAL BOUNDARY PASSING THRU CNTRL SD...WITH BNDRY FEATURING STG CONVERGENCE AT LOW LVLS OF WHAT MEAGER MSTR IS AVAILABLE. ADDITIONAL ACTIVITY POPPING ALFT AHEAD OF LINE FM NR KFSD TO KYKN. DO NOT EXPECT COVERAGE TO BECOME ANY LESS WIDESPREAD OVERNIGHT AS IN FAVORABLE RIGHT JET ENTRANCE WILL INTERACT FAVORABLY WITH FRONT...AND SHUD KEEP IT MOVING ALG. THAT IS WHERE THE LARGE COMPLEX ACRS NRN NEBRASKA AND SWRN SD EXISTS...AND SHUD PROGRESS LARGELY OVR SD CWA OVERNIGHT...AS JET PULLS AWAY GRADUALLY TO N. AMAZING WHAT CAN BE DONE WITH LIMITED MOISTURE. UPDTS OUT PRIOR TO 02Z. .FSD...NONE CHAPMAN
The national radar mosaic for the moment the first event began.
1 high wind. Local standard time, as filed.
High winds blew down a large minaret from the Corn Palace in Mitchell, damaging the minaret and the roof.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in South Dakota in 2001Every state in 2001This day in weather historyWarnings in South Dakota, 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 2026-09-30. Each event’s entry at NCEI: 5242711.