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Weather Forecast Office Bismarck, ND North Central River Forecast Center

Hydrograph River at a Glance Download Weekly Chance of
Exceeding Levels		 Chance of Exceeding Levels
During Entire Period
Souris River at Sawyer Graph Created (6:31pm Feb 9, 2010) Observed SWRN8 (plotting HGIRZ) Gage 0 Datum: 1500.00 Latest observed value: n/a ft at 6:00 AM CST 31-Jan-2010. Flood Stage is 22.0 ft. Flow (kcfs)
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NOTE: Automated gauge readings are unavailable, readings taken manually.

NOTE: Forecasts for the Souris River at Sawyer are issued as needed during times of high water, but are not routinely available.

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Upstream Gauge - at Logan Upstream Gauge Downstream Gauge Downstream Gauge - at Velva

Flood Categories (in feet)
Major Flood Stage:26
Moderate Flood Stage:24
Flood Stage:22
Action Stage:21

Historical Crests
(1) 26.17 ft on 04/21/1976
(2) 25.30 ft on 05/11/1979
(3) 23.70 ft on 05/15/1975
(4) 23.50 ft on 04/29/1969
(5) 23.05 ft on 04/10/1996
Show More Historical Crests

Low Water Records
Currently none available.

Souris River at Sawyer location map

Flood Impacts & Photos Collapse
29.0 The emergency dike would be topped.
22.0 Coulees and farmland will begin to flood. Several homes in the immediate vicinity would be affected above 22 feet. The town is just to the south of the gage site and 4 feet lower in elevation. Exact level for home damage unknown.
Photos
(1) Souris River at Sawyer-Upstream View
(2) Souris River at Sawyer-Downstream View

About This Location Collapse
Latitude: 48.100000° N, Longitude: 101.050000° W, Horizontal Datum: NAD83

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 22 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 N/A N/A Older USGS topographic maps, NGVD29 benchmarks
MSL N/A N/A Older USGS topographic maps, MSL benchmarks
Other 1500 ft 1522 ft  

Additional Information Collapse
How low could the river get?

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Hydrologic Resources
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Collaborative Agencies Collapse
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.

NWS Information
National Weather Service
Bismarck Weather Forecast Office
PO Box 1016
Bismarck, ND 58502-1016
(701) 250-4224
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