| Flood Impacts |
| 42.0 | DISASTEROUS FLOODING WILL OCCUR BETWEEN THE KANSAS BORDER AND HEADWATERS OF OOLOGAH LAKE. HIGHWAY 10 EAST OF LENAPAH WILL BE UNDER SEVERAL FEET OF SWIFT WATER. HIGHWAY 169 SOUTH OF THE KANSAS BORDER WILL BE CLOSED. HIGHWAY 28 EAST OF DELAWARE WILL BE CLOSED. SOME HOMES AROUND SOUTH COFFEYVILLE WILL BE FLOODED. THIS EXCEEDS THE PREVIOUS RECORD FLOOD OF MAY 20 1943. |
| 40.0 | DISASTROUS FLOODING WILL OCCUR BETWEEN THE KANSAS BORDER AND HEADWATERS OF LAKE OOLOGAH. STATE HIGHWAY 10 EAST OF LENAPAH WILL BE UNDER SEVERAL FEET OF SWIFT WATER. HIGHWAY 169 SOUTH OF THE KANSAS BORDER WILL BE CLOSED. THE RECORD FLOOD AT THIS SITE IS 40.4 FEET ON MAY 20 1943. |
| 39.0 | EXTREME FLOODING WILL OCCUR IN NOWATA COUNTY. MANY RURAL ROADS WILL BE CLOSED. STATE HIGHWAY 10 EAST OF LENAPAH WILL BE UNDER SEVERAL FEET OF WATER. HIGHWAY 169 SOUTH OF THE KANSAS BORDER WILL BE CLOSED. THIS WILL EXCEED THE FLOOD OF OCTOBER 5 1986 WHEN THE RIVER REACHED 38.2 FEET AND APPROACH THE FLOOD OF MAY 8 1961 WHEN THE RIVER REACHED 39.78 FEET. |
| 38.0 | EXTREME FLOODING WILL OCCUR IN NOWATA COUNTY. MANY RURAL ROADS WILL BE CLOSED. STATE HIGHWAY 10 EAST OF LENAPAH WILL BE UNDER SEVERAL FEET OF WATER. HIGHWAY 169 SOUTH OF THE KANSAS BORDER MAY BE CLOSED. THIS WILL BE SIMILAR TO A FLOOD ON JULY 4 1976 WHEN THE RIVER REACHED 38.4 FEET OR ON OCTOBER 5 1986 WHEN THE RIVER REACHED 38.2 FEET. |
| 36.0 | VERY SERIOUS FLOODING WILL OCCUR IN NOWATA COUNTY. MANY RURAL ROADS WILL BE CLOSED. STATE HIGHWAY 10 WILL BE IMPASSABLE...AT A POINT 5 MILES EAST OF LENAPAH. |
| 34.0 | SERIOUS AGRICULTURAL FLOODING WILL OCCUR BETWEEN THE KANSAS BORDER AND HEADWATERS OF LAKE OOLOGAH. STATE HIGHWAY 10 WILL BE IMPASSABLE...AT A POINT 5 MILES EAST OF LENAPAH. |
| 32.0 | MODERATE FLOODING WILL AFFECT MAINLY FARMLAND AND RURAL ROADS. STATE HIGHWAY 10 WILL BE THREATENED BY HIGH WATER AT A POINT 5 MILES EAST OF LENAPAH. |
| 30.0 | MINOR FLOODING WILL AFFECT FARMLAND AND RURAL ROADS. |
