Flood, Big Stone
- When
- April 7, 1:00 AM CST to April 8, 8:00 AM CST
- Where
- Big Stone forecast zone
- Reported by
- TRAINED SPOTTER
- Coordinates
- 45.426, -96.411 (the zone’s center; the record gives no point)
Heavy rains of 1 to 2 1/2 inches combined with snowmelt runoff brought flooding to parts of Traverse and Big Stone counties. Several roads were flooded with some receiving damage.
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 ABR wrote it up.
Heavy rains of 1 to 2 1/2 inches combined with snowmelt runoff brought flooding to parts of Traverse and Big Stone counties. Several roads were flooded with some receiving damage.
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 Aberdeen, SD wrote its last area forecast discussion before the first event at Apr 6, 8:45 PM CST, 4 hours 15 minutes earlier.
AREA FORECAST DISCUSSION FOR CENTRAL/NORTHCENTRAL AND NORTHEAST
SOUTH DAKOTA AND WEST CENTRAL MINNESOTA
NATIONAL WEATHER SERVICE ABERDEEN SD
945 PM CDT FRI APR 6 2001
PULLED THE FFA FROM THE MO RIVER COUNTIES AS IT LOOKS LIKE BRUNT OF
PCPN WILL SPREAD UP THE JAMES AND BIG SIOUX VALLEYS OVERNIGHT. PLUS
WESTERN CWA FFG IS UP AROUND 2 INCHES.
PLENTY OF ELEVATED CONVECTION OVER CWA AND DONT DOUBT THERE WILL BE
SOME HAIL HERE AND THERE BUT NOT EXPECTING MUCH MORE THAN THAT.
LARGE MASS OF RAIN AND THUNDERSTORMS LOOKS ON TRACK TO BRING COPIOUS
RAIN TO THE EAST. LEFT WIND ADVISORY FOR WESTERN CWA LATE. ALL
UPDATES ALREADY ISSUED.
.ABR...FLASH FLOOD WATCH JAMES AND BIG SIOUX BASINS TNT THROUGH
MORN.
WIND ADVISORY THROUGH SAT NOON FOR MO RIVER COUNTIES.
TDKThe 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: 5243764, 5243765.