| Flood Impacts |
| 12.5 | NEAR RECORD TO RECORD FLOODING IN HUMBOLDT COUNTY. MOST SECONDARY ROADS NEAR THE RIVER...BRIDGES OVER SOME PRIMARY ROADS...LONG STRETCHES OF RAIL AND MANY RANCH BUILDINGS FLOOD. RIVER 2-5 MILES WIDE THROUGH HUMBOLDT COUNTY. WINNEMUCCA FLOODED BETWEEN UNION PACIFIC RAILROAD AND SECOND STREET ON THE EAST...US HIGHWAY 95 BRIDGE IN WINNEMUCCA MAY BE AFFECTED. MANY HOMES...BUSINESSES FLOOD IN WINNEMUCCA. LARGE LOSSES OF LIVESTOCK IN AREA. WELL OVER 100 YEAR FLOOD. SIMILAR TO RECORD APRIL 1984 FLOOD. |
| 12.0 | MAJOR FLOODING...INCLUDING WINNEMUCCA. ALL SECONDARY ROADS...STRETCHES OF RAIL AND SOME RANCH BUILDINGS NEAR RIVER FLOOD. RIVER 2-4 MILES WIDE THROUGH HUMBOLDT COUNTY. LOWER PARTS OF WINNEMUCCA FLOOD BETWEEN UNION PACIFIC RAILROAD AND GOLCONDA STREET ON THE WEST AND SECOND STREET ON THE EAST...NOT INCLUDING I-80. A DOZEN HOMES...SEVERAL BUSINESSES AFFECTED. LARGE LOSSES OF LIVESTOCK IN AREA. NEAR A 100 YEAR FLOOD. GREATER THAN MAY 1952 FLOOD...NOT AS SEVERE AS RECORD APRIL 1984 FLOOD. |
| 11.5 | MAJOR FLOODING THROUGHOUT REACH...EXCEPT MODERATE FLOODING IN LOWER PORTIONS OF WINNEMUCCA. MANY RURAL ROADS NEAR RIVER FLOODED. MAIN AREA IMPACTED IS BETWEEN UNION PACIFIC RAILROAD AND GOLCONDA STREET ON THE WEST AND SECOND STREET ON THE EAST...NOT INCLUDING I-80. 4900 CFS...ABOUT A 30 YEAR FLOOD...3 PERCENT CHANCE ANY YEAR. SIMILAR TO FLOOD OF JUNE 1983...NOT QUITE AS SEVERE AS FLOOD OF MAY 1952. |
| 11.0 | MODERATE TO MAJOR LOWLAND FLOODING THROUGHOUT REACH. MANY RURAL ROADS NEAR RIVER FLOODED. MINOR TO MODERATE FLOODING IN LOWER PORTIONS OF WINNEMUCCA. MAIN AREA IMPACTED IS BETWEEN UNION PACIFIC RAILROAD AND GOLCONDA STREET ON WEST AND SECOND STREET ON THE EAST...BENEATH I-80. 3800 CFS...ABOUT A 14 YEAR FLOOD...7 PERCENT CHANCE ANY YEAR. SIMILAR TO FLOODS OF JUNE 1921 AND APRIL 1969. |
| 10.5 | MODERATE LOWLAND FLOODING THROUGH REACH...WITH SOME RURAL ROADS FLOODED. MINOR FLOODING IN LOWER PARTS OF WINNEMUCCA WITH SEWER BACKUPS...MAIN AREA IMPACTED IS BETWEEN UNION PACIFIC RAILROAD AND SECOND STREET BENEATH I-80. PROPERTY DAMAGE IN WINNEMUCCA IS MINIMAL. 3200 CFS...ABOUT A 10 YEAR FLOOD...10 PERCENT CHANCE ANY YEAR. SIMILAR TO FLOODS OF FEBRUARY 1986...JUNE 1995...AND MAY 1998. |
| 10.0 | MINOR TO MODERATE LOWLAND FLOODING THROUGHOUT REACH. SOME RURAL ROADS NEAR RIVER BEGIN TO FLOOD. VERY MINOR FLOODING BEGINS IN WINNEMUCCA WITH SEWER BACKUPS...AND LOWEST PARTS OF TOWN BEGIN TO FLOOD. 2800 CFS...ABOUT A 7 YEAR FLOOD...15 PERCENT CHANCE ANY YEAR. SIMILAR TO FLOODS OF FEBRUARY 1986...APRIL 1991 AND JUNE 1997. |
| 9.5 | FLOOD STAGE...MINOR LOWLAND FLOODING THROUGHOUT REACH. NO FLOODING IN WINNEMUCCA. 2400 CFS...ABOUT A 5 YEAR FLOOD...20 PERCENT CHANCE ANY YEAR. |
| 9.0 | VERY MINOR LOWLAND FLOODING IN REACH. NO FLOODING IN WINNEMUCCA. 2100 CFS...ABOUT A 3 YEAR FLOOD...33 PERCENT CHANCE ANY YEAR. |
| 8.5 | MONITORING STAGE. SOME VERY MINOR FLOODING AT SCATTERED LOCATIONS IN REACH. NO FLOODING IN WINNEMUCCA. 1800 CFS...ABOUT A 3 YEAR FLOOD...33 PERCENT CHANCE ANY YEAR. |
| 8.0 | NO FLOODING IN REACH. 1600 CFS...ABOUT A 2.5 YEAR FLOOD...40 PERCENT CHANCE ANY YEAR. |
| 7.5 | NO FLOODING IN REACH. 1400 CFS...ABOUT A 2.5 YEAR FLOOD...40 PERCENT CHANCE ANY YEAR. |
| 7.0 | NO FLOODING IN REACH. 1200 CFS...ABOUT A 2 YEAR FLOOD...50 PERCENT CHANCE ANY YEAR. |
