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| 10.2 |
WATER LEVELS ARE NEAR THOSE REACHED WITH THE STORM SURGE FROM HURRICANE IKE IN 2008. WIDESPREAD CATASTROPHIC FLOODING OCCURS ACROSS MUCH OF ORANGE. THE LOUISIANA VISITORS CENTER FLOODS. |
| 8.0 |
FLOODING OF SECONDARY ROADS AND SHIP YARDS NEAR THE RIVER CAN BE EXPECTED. |
| 5.0 |
SECONDARY ROADS NEAR THE RIVER WILL BE THREATENED BY FLOOD WATERS |
| 4.0 |
MINOR FLOODING OF LOW LYING AREAS NEAR THE RIVER CAN BE EXPECTED |
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Latitude: 30.097500° N,
Longitude: 93.720987° W,
Horizontal Datum:
NAD83
River Stage
Reference Frame |
Gauge Height |
Flood Stage |
Uses |
| NWS stage |
0 ft |
4 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 |
0.33 ft |
4.33 ft |
Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps |
| NGVD 29 |
0.17 ft |
4.17 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 
