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| 58.0 |
SEVERE FLOODING OCCURS IN SELMA...SELMONT...AND WEST SELMONT. |
| 56.0 |
AT STAGES OF 56 FEET AND HIGHER WIDESPREAD FLOODING OCCURS IN DALLAS COUNTY...WITH MANY FARMHOUSES FLOODED. MOST OF HIGHWAY 22 FROM THE CAHABA RIVER TO THE SKY HARBOR AIRPORT BECOMES FLOODED |
| 52.0 |
MOST OF CAHABA...AS WELL AS LARGE PORTIONS OF SELMONT...WEST SELMONT...AND EAST SELMA FLOOD BECOME FLOODED. |
| 50.0 |
LOW LYING AREAS OF SELMONT...WEST SELMONT...AND EAST SELMA BEGIN TO FLOOD. |
| 48.0 |
SOME HOMES IN THE VICINITY OF BLACKWELL BEND BECOME AFFECTED BY FLOODING. |
| 45.0 |
EXTENSIVE OVERFLOW OF LOW LYING LAND IN THE AREA BEGINS. SOME LOW ROADS IN THE AREA BEGIN TO FLOOD AT THIS STAGE. |
| 30.0 |
PASTURELAND BELOW SELMA BECOMES FLOODED. |
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Latitude: 32.405817° N,
Longitude: 87.018886° W,
Horizontal Datum:
NAD83
River Stage
Reference Frame |
Gauge Height |
Flood Stage |
Uses |
| NWS stage |
0 ft |
45 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 |
61.8 ft |
106.8 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 
