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| 23.0 |
the Nooksack River will cause major near record flooding from near Ferndale downstream to the mouth. Deep and swift flood waters will inundate residential areas...farm lands...and roads. The flood may overtop levees and failures are possible. In addition...flood waters could overflow and flood the Sumas drainage. Flooding will occur all along the river including headwaters...tributaries...and other streams within and near the Nooksack River Basin. |
| 21.0 |
the Nooksack River will cause widespread flooding from near Ferndale downstream to the mouth...with swift waters in residential areas and over farm lands and roads. Erosion may damage some river banks. |
| 19.0 |
the Nooksack River will cause shallow flooding of low pasture lands along the river from near Ferndale downstream to the mouth. |
| 17.0 |
feet...the RIVER BEGINS SPILLING OVER ITS BANKS INTO LOW PASTURE LANDS. |
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Latitude: 48.845000° N,
Longitude: 122.588000° W,
Horizontal Datum:
NAD83
River Stage Reference Frame |
Gauge Height |
Flood Stage |
Uses |
| NWS stage |
0 ft |
19 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 |
4.61 ft |
23.61 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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