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| 87.4 |
the Skookumchuck River will cause severe...record flooding in Centralia and the surrounding area. The river will flood most residential areas and roads and cover most of the farmland in the Skookumchuck River valley. Flooding will occur all along the river including headwaters...tributaries...and other streams within and near the Skookumchuck River Basin. A stage of 87.4 feet corresponds to a Phase IV flood in the Lewis County flood warning system. |
| 86.9 |
the Skookumchuck River will cause major flooding in Centralia and the surrounding area. The river will flood many roads and residential areas and cover much of the farmland in the Skookumchuck River valley. Flooding will occur all along the river including headwaters...tributaries...and other streams within and near the Skookumchuck River Basin. A stage of 86.9 feet corresponds to a Phase III flood in the Lewis County flood warning system. |
| 85.0 |
the Skookumchuck River in Lewis County will flood several roads and farm lands near Centralia. A stage of 85.2 feet corresponds to a Phase II flood in the Lewis County flood system. |
| 83.2 |
the Skookumchuck River in Lewis county will spill into low areas along the river near Centralia. This river level on the Skookumchuck corresponds to a Phase I flood in the Lewis County flood system. |
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Latitude: 46.731100° N,
Longitude: 122.953000° W,
Horizontal Datum:
NAD83
River Stage
Reference Frame |
Gauge Height |
Flood Stage |
Uses |
| NWS stage |
0 ft |
85 ft |
Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps |
| Vertical Datum |
Elevation
(gauge height = 0) |
Elevation
(gauge height = flood stage) |
Elevation information source |
| NAVD88 |
N/A |
N/A |
Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps |
| NGVD 29 |
100 ft |
185 ft |
Older USGS topographic maps, NGVD29 benchmarks |
| MSL |
N/A |
N/A |
Older USGS topographic maps, MSL benchmarks |
| Other |
N/A |
N/A |
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Hydrologic Resources
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Additional Resources
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The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here. |
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NWS Information |
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weather.gov 
