Additional heavy rainfall moved across portions of central Kansas on September 5th. the heavy rainfall over areas that picked up nearly 4 inches a few days before, led to renewed flooding along portions of central Kansas on the evening of September 5th into the early morning of September 6th.
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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 ICT wrote it up.
Additional heavy rainfall moved across portions of central Kansas on September 5th. the heavy rainfall over areas that picked up nearly 4 inches a few days before, led to renewed flooding along portions of central Kansas on the evening of September 5th into the early morning of September 6th.
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 Wichita, KS wrote its last area forecast discussion before the first event at Sep 5, 10:31 AM CST, 1 hour 27 minutes earlier.
Area Forecast Discussion National Weather Service Wichita KS 1131 AM CDT Wed Sep 5 2018 .UPDATE... Issued at 1130 AM CDT Wed Sep 5 2018 850-700h moisture transport has led to a persistent band of showers just to the east of the Turnpike across the Flint Hills. Expect this area of showers to persist into the afternoon hours as afternoon heating underneath the higher precipitable water axis suggests that the showers will continue off and on for the afternoon into the evening hours. Could also see some renewed showers along the southward sagging cold front currently located across central KS. Latest model guidance suggests the front will slowly drop south into southern KS by this evening, and eventually wash out for the overnight hours. With this in mind, think the most of the widespread showers will be to the south of the cold front, for areas east of the KS Turnpike. Most of the hi-rez models do not show a big heavy rainfall signal for this evening or overnight, with more of widely scattered shower chances. So the question is what to do about the flash flood watch that expires at 18z. Plan on letting most of the central KS counties go from the watch at 18z. But will extend portions of south central KS until this evening with ongoing showers and the potential for renewed showers this evening. May have to add a few counties as well, given this mornings rainfall amounts across the Flint Hills. Ketcham && .SHORT TERM...(Today through Saturday) Issued at 251 AM CDT Wed Sep 5 2018 Currently have a cold front extending from eastern Nebraska into west-central KS. It looks like it has moved through KHLC and is just north of KDDC. Water vapor imagery along with regional 88Ds shows an upper circulation over southwest KS. Meanwhile, tropical storm Gordon has come on shore over southern MS. Just like last couple of nights, expecting an uptick in shower/storm intensity and coverage toward sunrise, especially over the Flint Hills and southeast KS. This looks to be the result of increased 925-850mb moisture transport ahead of the upper wave over western KS. With the front creeping slowly southeast, some of our central KS areas may also see an increase in precip towards sunrise. Should at least keep some scattered activity through the day, as cold front slowly progresses through the forecast area. By 00z, front should line up near the KS Turnpike where it should start to wash out. Will maintain modest shower and storm chances for tonight through Thu as the weakening cold front provides some weak surface convergence and we maintain deep moist subtropical flow across the region. In addition, there has been some model consistency in starting to lift some upper energy out of the Rockies on Thu which should help keep scattered showers around. By 00z Fri, remnants of Gordon will be situated over southern AR with shortwave energy tracking slowly southeast out of western Nebraska. Meanwhile, very high PW airmass and subtropical connection will still be in place, so will continue to keep modest pops in. Remnants of Gordon will start to impact southeast KS Fri afternoon into Fri night and will combine with what is left of weak front to produce heavy rainfall, especially over northern AR into Missouri. Some of the heavy rain may clip far eastern KS. At the same time, slow moving shortwave will be tracking across north central/northeast KS and will be moving into MO Sat morning. This will allow rainfall to finally come to an end by early Sat evening across all of the area. .LONG TERM...(Sunday through Tuesday) Issued at 251 AM CDT Wed Sep 5 2018 By 12z Sun shortwave will be tracking into the Ohio Valley with cold front and associated precip chances pushed into the lower Mississippi Valley into southern TX. Pattern looks to be fairly progressive with a series of shortwave troughs sliding across southern Canada for Mon and Mon night. Will keep rain chances out of forecast through this period with the better chances staying north of the forecast area. Temps will also warm for the start of the work week with near normal values likely by Tue. && .AVIATION...(For the 12Z TAFS through 12Z Thursday morning) Issued at 639 AM CDT Wed Sep 5 2018 Widespread showers with a few embedded thunderstorms will impact locations mainly along and southeast of the Turnpike this morning. Heavy rainfall rates with reduced visibilities and patchy MVFR conditions are likely. Further west across central and south- central Kansas, showers will be more patchy this morning, although MVFR to patchy IFR conditions are likely. Rain shower coverage should increase areawide this afternoon, as a weak cold front approaches from the north, with most ceilings improving to VFR. However, MVFR to IFR conditions will increase once again tonight from the north, as weak cold advection mixes with moist low- levels. Kleinsasser && .PRELIMINARY POINT TEMPS/POPS... Wichita-KICT 81 68 77 67 / 40 40 40 40 Hutchinson 81 65 74 65 / 40 40 40 40 Newton 80 66 75 65 / 50 40 40 40 ElDorado 81 66 77 67 / 80 40 50 40 Winfield-KWLD 82 67 80 67 / 70 40 40 30 Russell 76 62 72 63 / 40 40 40 40 Great Bend 79 63 73 62 / 40 40 40 40 Salina 79 65 73 65 / 50 40 40 50 McPherson 80 64 73 64 / 50 40 40 40 Coffeyville 81 68 83 70 / 80 40 40 30 Chanute 79 67 81 69 / 90 50 40 50 Iola 79 67 80 69 / 90 50 50 50 Parsons-KPPF 81 68 82 70 / 80 40 40 40 && .ICT WATCHES/WARNINGS/ADVISORIES... Flash Flood Watch until 1 PM CDT this afternoon for KSZ032-033- 047>052-067-068-082-091. Flash Flood Watch until 10 PM CDT this evening for KSZ069-083- 092-093. Flash Flood Watch until 10 PM CDT this evening for KSZ053-070- 094. && UPDATE...Ketcham SHORT TERM...RBL LONG TERM...RBL AVIATION...ADK
Hazardous Weather Outlook National Weather Service Wichita KS 419 AM CDT Wed Sep 5 2018 KSZ032-033-047>053-067>072-082-083-091>096-098>100-060930- Russell-Lincoln-Barton-Ellsworth-Saline-Rice-McPherson-Marion-Chase- Reno-Harvey-Butler-Greenwood-Woodson-Allen-Kingman-Sedgwick-Harper- Sumner-Cowley-Elk-Wilson-Neosho-Chautauqua-Montgomery-Labette- 419 AM CDT Wed Sep 5 2018 This hazardous weather outlook is for portions of Central Kansas, South Central Kansas and Southeast Kansas. .DAY ONE...Today and Tonight Showers and isolated storms will remain possible today and tonight. High rainfall rates will be likely with the stronger showers and storms which may lead to flooding. Please see latest flood warnings and watches for additional information. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday Shower and storm chances will remain possible through Saturday morning. Just like the last several days, high rainfall rates will be likely with the stronger showers and storms which may lead to localized flooding. Southeast Kansas will have the best chance to see more widespread flooding Friday into Friday night. Flooding is expected to continue along the Cow Creek across Rice and Reno counties into Saturday. Use caution if traveling through this area. .SPOTTER INFORMATION STATEMENT... Spotter activation is not anticipated today or tonight. However, rainfall reports along with any reports of flooding would be appreciated. && For a graphical version of this information, see our webpage at: http://weather.gov/wichita/hwo/ Lawson
The national radar mosaic for the moment the first event began.
8 flood. Local standard time, as filed.
Local law enforcement reported numerous roads were flooded across the county.
Emma Creek rose out of its banks leading to flooded rural roads.
Local emergency manager reported flooding along the Saline and McPherson county lines near 13th Avenue and Winchester Road.
Water was reported over the road near 5th Avenue and Shawnee Road.
Street flooding was reported in the city of Wichita.
Water was reported over the road near northwest 110th and highway 77.
Highway 81 was closed due to high water in several sections from 101st Street north to 125th Street north.
Local law enforcement reported flooding west of highway 77 on northwest 110th.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Kansas in 2018Every state in 2018This day in weather historyWarnings in Kansas, September 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 2026-09-24. Each event’s entry at NCEI: 785690, 785691, 785692, 785693, 785698, 785700, 785701, 785702.