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| 15.0 |
Expect valley-wide flooding of agricultural lands and rural roads in Harmon... Greer... and Jackson counties. No towns are affected. Flooding begins in Harmon County several hours before the crest passes the State Highway 34 crossing south of Mangum. |
| 14.0 |
Expect valley-wide flooding of agricultural lands and rural roads in Harmon... Greer... and Jackson counties. No towns are affected. Flooding begins in Harmon County several hours before the crest passes the State Highway 34 crossing south of Mangum. |
| 13.0 |
Expect widespread flooding of agricultural lands and rural roads in Harmon... Greer... and Jackson counties. No towns or major highways are affected. Flooding begins in Harmon County several hours before the crest passes the State Highway 34 crossing south of Mangum. |
| 12.0 |
Expect widespread flooding of agricultural lands and rural roads in Harmon... Greer... and Jackson counties. No towns or major highways are affected. Flooding begins in Harmon County several hours before the crest passes the State Highway 34 crossing south of Mangum. |
| 11.0 |
Expect flooding of agricultural lands and rural roads in Harmon... Greer... and Jackson counties. No towns or major highways are affected. |
| 10.0 |
Expect flooding of agricultural and isolation of other low-lying areas in Harmon... Greer... and Jackson counties. No towns or highways are affected. |
| 9.0 |
Expect flooding of agricultural bottomlands and isolation of other low-lying areas in Harmon... Greer... and Jackson counties. No towns or highways are affected. |
| 8.0 |
Expect near bankfull stages along the river in Harmon... Greer... and Jackson counties. No towns or highways are affected.
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Latitude: 34.858000° N,
Longitude: 99.508000° W,
Horizontal Datum:
NAD83
River Stage
Reference Frame |
Gauge Height |
Flood Stage |
Uses |
| NWS stage |
0 ft |
9 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 |
1490.9 ft |
1499.9 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 
