2 flash flood, as filed by the National Weather Service.
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 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 Topeka, KS wrote its last area forecast discussion before the first event at Sep 16, 2:33 PM CST, 6 hours 57 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TOPEKA KS 333 PM CDT SUN SEP 16 2001 PRECIPITATION AND TEMPERATURES CONTINUE TO BE MAIN CONCERNS. SURFACE BOUNDARY AND UPPER SYSTEMS WILL BRING A CHANCE FOR CONVECTION TO THE CWA TONIGHT INTO EARLY TUESDAY NIGHT. MAIN CHANCE TONIGHT APPEARS TO BE OVER THE NORTHERN COUNTIES AND HIGHEST POPS WILL BE THERE. AFTER MONDAY MORNING WE SHOULD GET A RESPITE UNTIL LATE IN THE DAY WHEN THE NEXT ROUND SHOULD START...THEN GET INTO FULL SWING MONDAY NIGHT AND TUESDAY AS SIGNIFICANT UPPER IMPULSE SWINGS THROUGH. WILL MENTION LOCALLY HEAVY RAINS POSSIBLE FOR MONDAY NIGHT AS MODELS DEPICT SIGNIFICANT AMOUNTS OF PRECIPITATION. WILL HOLD OFF ON THE HEAVY RAIN MENTION FOR TUESDAY AS THAT TIME IS TOO FAR OUT JUST YET. FRONTAL BOUNDARY AND UPPER SYSTEM SWEEP THROUGH LATE TUESDAY AND EARLY TUESDAY NIGHT TO CLEAR THINGS OUT. FOR TEMPERATURES HAVE FOLLOWED A BLEND OF THE FWC AND MAV FOR LOWS...AND A BLEND OF THE MAV AND FAN FOR HIGHS WITH OFFICIAL VALUES CLOSEST TO THE MAV NUMBERS. .TOP...NONE LWS
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TOPEKA KS
646 PM CDT SUN SEP 16 2001
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0640 PM 6 N SENECA KS 60 MPH TSTM GUST
09/16/01 NEMAHA
0640 PM 1 NE SENECA KS 60 MPH TSTM GUST
09/16/01 NEMAHAThe national radar mosaic for the moment the first event began.
2 flash flood. Local standard time, as filed.
Runoff from heavy rains flooded several roads north of Holton.
Runoff from heavy rains overflowed highway 9 near Whiting and caused it to be closed for a time.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Kansas in 2001Every state in 2001This day in weather historyWarnings in Kansas, September 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: 5266582, 5266583.