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| 30.0 |
Bridge surface on County Road 329 is flooded. |
| 22.1 |
Agricultural levee along the right bank near the gage is overtopped. |
| 22.0 |
Major flooding begins. |
| 17.1 |
Agricultural land along the left bank begins flooding near the gage. |
| 17.0 |
County Road 341, north of Palmyra, is flooded. |
| 16.0 |
Moderate flooding begins. Left bank begins to flood near the gage. |
| 14.0 |
Marion County Rd 341 north of Palmyra inundated. Significant agricultural land flooding...right bank. |
| 13.5 |
County Road 333, east of Palmyra, begins to flood. |
| 13.0 |
FLOOD STAGE. Minor flooding begins. |
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Latitude: 39.817000° N,
Longitude: 91.546028° W,
Horizontal Datum:
NAD83
River Stage Reference Frame |
Gauge Height |
Flood Stage |
Uses |
| NWS stage |
0 ft |
13 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 |
464.81 ft |
480.81 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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