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| 43.5 |
THE RIVER IS AT ITS UNOFFICIAL HIGHEST GAGE READING SET IN APRIL 1913. WIDESPREAD CATASTROPHIC FLOODING WILL OCCUR. |
| 39.0 |
THE RIVER IS AT ITS FLOOD OF RECORD. WIDESPREAD MAJOR TO CATASTROPHIC FLOODING WILL OCCUR. |
| 36.0 |
MAJOR LOWLAND FLOODING WILL OCCUR. |
| 35.0 |
EXPECT SEVERAL ROADS IN THE MERRYVILLE AREA NEAR THE RIVER TO BE CLOSED. |
| 33.0 |
MODERATE LOWLAND FLOODING WILL OCCUR. LOW-LYING ROADS AND A FEW HOMES HAVE SOME FLOODING BETWEEN BON WEIR AND MERRYVILLE. CAMP HOUSES ALONG THE RIVER IN SOUTHWEST VERNON PARISH BEGIN TO FLOOD. |
| 32.0 |
ROADS IN THE SABINE SANDS AREA NEAR BON WEIR BECOME FLOODED. |
| 30.0 |
MINOR LOWLAND FLOODING WILL OCCUR ALONG THE RIVER BETWEEN MERRYVILLE AND BON WEIR. A FEW ROADS IN SOUTHWEST VERNON PARISH HAVE WATER OVER THEM. |
| 28.0 |
THE RIVER IS AT ITS BANKFULL STAGE. |
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Latitude: 30.746900° N,
Longitude: 93.608300° W,
Horizontal Datum:
NAD83
River Stage
Reference Frame |
Gauge Height |
Flood Stage |
Uses |
| NWS stage |
0 ft |
30 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 |
33.42 ft |
63.42 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 
