Starting on October 6th, the atmosphere set itself up in a pattern conducive to bring a prolonged period of heavy rain to portions of northeastern Kansas and northwestern Missouri. The heaviest rain occurred Saturday and Sunday (Oct 6-7).
Every event with a place to put it. 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 EAX wrote it up.
Starting on October 6th, the atmosphere set itself up in a pattern conducive to bring a prolonged period of heavy rain to portions of northeastern Kansas and northwestern Missouri. The heaviest rain occurred Saturday and Sunday (Oct 6-7). By Tuesday night (October 9th) more than 11 inches of rain fell in and around the Kansas City Metro. Local drought conditions were still in the Extreme to Exceptional category going into the event, so flash flooding was relatively low impact, relegated mostly to several road closures. The bigger impact from this prolonged rainfall event came from local river and stream flooding. Several streams entered the moderate to major flooding category. The 4 day event spanning Oct 6-9 resulted in the greatest 4 day rain total in recorded Kansas City History. At Kansas City International Airport 9.79 inches were recorded for the Oct 6-9 time period, beating out Sept 12-15, 1977, which had 9.48 over the 4 day span.
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 Kansas City, MO wrote its last area forecast discussion before the first event at Oct 8, 3:40 AM CST, 1 hour 20 minutes earlier.
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</html>Hazardous Weather Outlook National Weather Service Kansas City/Pleasant Hill MO 507 AM CDT Mon Oct 8 2018 KSZ025-057-060-102>105-MOZ001>008-011>017-020>025-028>033-037>040- 043>046-053-054-091015- Atchison KS-Miami-Linn KS-Doniphan-Leavenworth-Wyandotte-Johnson KS- Atchison MO-Nodaway-Worth-Gentry-Harrison-Mercer-Putnam-Schuyler- Holt-Andrew-De Kalb-Daviess-Grundy-Sullivan-Adair-Buchanan-Clinton- Caldwell-Livingston-Linn MO-Macon-Platte-Clay-Ray-Carroll-Chariton- Randolph-Jackson-Lafayette-Saline-Howard-Cass-Johnson MO-Pettis- Cooper-Bates-Henry- 507 AM CDT Mon Oct 8 2018 This hazardous weather outlook is for northwest...north central and west central Missouri...as well as extreme eastern Kansas. .DAY ONE...Today and Tonight On and off storms are expected, mainly along and northwest of Interstate 35. Flash flooding is possible in the KC Metro area with up to three inches falling overnight and an additional one to two inches still expected. A few storms could be strong to severe along and northwest of Interstate 35, with isolated wind gusts up to 60 mph being the main concern, but can't completely rule out the tornado concern. More detailed information can be accessed at... https://www.weather.gov/eax/hwo .DAYS TWO THROUGH SEVEN...Tuesday through Sunday More widespread storms move back across the entire area early Tuesday morning through Wednesday. Localized flash flooding is possible across most of the area during this time. Strong to severe storms are also possible Tuesday with hail and winds being the main concerns, but can't completely rule out the tornado concern. River flooding is also expected this week, with our area and areas upstream receiving five to seven inches of rain when all is said and done. More detailed information can be accessed at... https://www.weather.gov/eax/hwo
The Pleasant Hill radar (KEAX), 38 km away, was scanning. The volume nearest the first event began at 11:02 UTC.
4 flash flood, 1 flood. Local standard time, as filed.
Numerous roads were flooded in Sugar Creek.
A school bus was stranded at Oldham Road and Hillcrest Road due to flooding over the roadway. The driver and all 20 students onboard were able to evacuated safely.
Several roads around 169 and 69 were flooded.
Multiple roads in the Ludlow area were closed due to flooding waters.
Numerous roads in and around Trenton were flooded due to heavy rain.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Missouri in 2018Every state in 2018This day in weather historyWarnings in Missouri, October 2018
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 2026-10-01. Each event’s entry at NCEI: 790234, 790235, 790236, 790237, 790238.