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Hydrograph River at a Glance Download
Snake River (NW MN) at Alvarado Stage (ft)Flow (kcfs)Highest Observation: 95.18 ft at 10:45AM Sep 21, 2021Highest Observation: 95.18 ft at 11:00AM Sep 21, 2021Highest Observation: 95.18 ft at 11:15AM Sep 21, 2021Highest Observation: 95.18 ft at 11:30AM Sep 21, 2021Highest Observation: 95.18 ft at 11:45AM Sep 21, 2021Highest Observation: 95.18 ft at 12:00PM Sep 21, 2021Highest Observation: 95.18 ft at 12:15PM Sep 21, 2021Highest Observation: 95.18 ft at 12:30PM Sep 21, 2021Highest Observation: 95.18 ft at 12:45PM Sep 21, 2021Highest Observation: 95.18 ft at 1:00PM Sep 21, 2021Highest Observation: 95.18 ft at 1:15PM Sep 21, 2021Highest Observation: 95.18 ft at 1:30PM Sep 21, 2021Highest Observation: 95.18 ft at 1:45PM Sep 21, 2021Highest Observation: 95.18 ft at 2:00PM Sep 21, 2021Highest Observation: 95.18 ft at 2:15PM Sep 21, 2021Highest Observation: 95.18 ft at 2:30PM Sep 21, 2021Highest Observation: 95.18 ft at 2:45PM Sep 21, 2021Highest Observation: 95.18 ft at 3:00PM Sep 21, 2021Observed: 95.17 ft at 3:15PM Sep 21, 2021Observed: 95.17 ft at 3:30PM Sep 21, 2021Observed: 95.17 ft at 3:45PM Sep 21, 2021Observed: 95.17 ft at 4:00PM Sep 21, 2021Observed: 95.17 ft at 4:15PM Sep 21, 2021Observed: 95.17 ft at 4:30PM Sep 21, 2021Observed: 95.17 ft at 4:45PM Sep 21, 2021Observed: 95.17 ft at 5:00PM Sep 21, 2021Observed: 95.17 ft at 5:15PM Sep 21, 2021Observed: 95.17 ft at 5:30PM Sep 21, 2021Observed: 95.17 ft at 5:45PM Sep 21, 2021Observed: 95.17 ft at 6:00PM Sep 21, 2021Observed: 95.17 ft at 6:15PM Sep 21, 2021Observed: 95.17 ft at 6:30PM Sep 21, 2021Observed: 95.17 ft at 6:45PM Sep 21, 2021Observed: 95.17 ft at 7:00PM Sep 21, 2021Observed: 95.17 ft at 7:15PM Sep 21, 2021Observed: 95.17 ft at 7:30PM Sep 21, 2021Observed: 95.17 ft at 7:45PM Sep 21, 2021Observed: 95.17 ft at 8:00PM Sep 21, 2021Observed: 95.17 ft at 8:15PM Sep 21, 2021Observed: 95.17 ft at 8:30PM Sep 21, 2021Observed: 95.17 ft at 8:45PM Sep 21, 2021Observed: 95.17 ft at 9:00PM Sep 21, 2021Observed: 95.16 ft at 9:15PM Sep 21, 2021Observed: 95.16 ft at 9:30PM Sep 21, 2021Observed: 95.16 ft at 9:45PM Sep 21, 2021Observed: 95.16 ft at 10:00PM Sep 21, 2021Observed: 95.16 ft at 10:15PM Sep 21, 2021Observed: 95.16 ft at 10:30PM Sep 21, 2021Observed: 95.16 ft at 10:45PM Sep 21, 2021Observed: 95.16 ft at 11:00PM Sep 21, 2021Observed: 95.16 ft at 11:15PM Sep 21, 2021Observed: 95.16 ft at 11:30PM Sep 21, 2021Observed: 95.16 ft at 11:45PM Sep 21, 2021Observed: 95.16 ft at 12:00AM Sep 22, 2021Observed: 95.16 ft at 12:15AM Sep 22, 2021Observed: 95.16 ft at 12:30AM Sep 22, 2021Observed: 95.16 ft at 12:45AM Sep 22, 2021Observed: 95.15 ft at 1:00AM Sep 22, 2021Observed: 95.16 ft at 1:15AM Sep 22, 2021Observed: 95.16 ft at 1:30AM Sep 22, 2021Observed: 95.15 ft at 1:45AM Sep 22, 2021Observed: 95.15 ft at 2:00AM Sep 22, 2021Observed: 95.15 ft at 2:15AM Sep 22, 2021Observed: 95.15 ft at 2:30AM Sep 22, 2021Observed: 95.15 ft at 2:45AM Sep 22, 2021Observed: 95.15 ft at 3:00AM Sep 22, 2021Observed: 95.15 ft at 3:15AM Sep 22, 2021Observed: 95.15 ft at 3:30AM Sep 22, 2021Observed: 95.15 ft at 3:45AM Sep 22, 2021Observed: 95.15 ft at 4:00AM Sep 22, 2021Observed: 95.15 ft at 4:15AM Sep 22, 2021Observed: 95.15 ft at 4:30AM Sep 22, 2021Observed: 95.15 ft at 4:45AM Sep 22, 2021Observed: 95.15 ft at 5:00AM Sep 22, 2021Observed: 95.15 ft at 5:15AM Sep 22, 2021Observed: 95.15 ft at 5:30AM Sep 22, 2021Observed: 95.15 ft at 5:45AM Sep 22, 2021Observed: 95.15 ft at 6:00AM Sep 22, 2021Observed: 95.15 ft at 6:15AM Sep 22, 2021Observed: 95.15 ft at 6:30AM Sep 22, 2021Observed: 95.15 ft at 6:45AM Sep 22, 2021Observed: 95.15 ft at 7:00AM Sep 22, 2021Observed: 95.15 ft at 7:15AM Sep 22, 2021Observed: 95.15 ft at 7:30AM Sep 22, 2021Observed: 95.15 ft at 7:45AM Sep 22, 2021Observed: 95.15 ft at 8:00AM Sep 22, 2021Observed: 95.15 ft at 8:15AM Sep 22, 2021Observed: 95.15 ft at 8:30AM Sep 22, 2021Observed: 95.15 ft at 8:45AM Sep 22, 2021Observed: 95.15 ft at 9:00AM Sep 22, 2021Observed: 95.15 ft at 9:15AM Sep 22, 2021Observed: 95.15 ft at 9:30AM Sep 22, 2021Observed: 95.15 ft at 9:45AM Sep 22, 2021Observed: 95.14 ft at 10:00AM Sep 22, 2021Observed: 95.14 ft at 10:15AM Sep 22, 2021Observed: 95.15 ft at 10:30AM Sep 22, 2021Observed: 95.14 ft at 10:45AM Sep 22, 2021Observed: 95.14 ft at 11:00AM Sep 22, 2021Observed: 95.14 ft at 11:15AM Sep 22, 2021Observed: 95.14 ft at 11:30AM Sep 22, 2021Observed: 95.14 ft at 11:45AM Sep 22, 2021Observed: 95.14 ft at 12:00PM Sep 22, 2021Observed: 95.14 ft at 12:15PM Sep 22, 2021Observed: 95.14 ft at 12:30PM Sep 22, 2021Observed: 95.14 ft at 12:45PM Sep 22, 2021Observed: 95.14 ft at 1:00PM Sep 22, 2021Observed: 95.14 ft at 1:15PM Sep 22, 2021Observed: 95.14 ft at 1:30PM Sep 22, 2021Observed: 95.14 ft at 1:45PM Sep 22, 2021Observed: 95.14 ft at 2:00PM Sep 22, 2021Observed: 95.14 ft at 2:15PM Sep 22, 2021Observed: 95.14 ft at 2:30PM Sep 22, 2021Observed: 95.14 ft at 2:45PM Sep 22, 2021Observed: 95.14 ft at 3:00PM Sep 22, 2021Observed: 95.14 ft at 3:15PM Sep 22, 2021Observed: 95.14 ft at 3:30PM Sep 22, 2021Observed: 95.14 ft at 3:45PM Sep 22, 2021Observed: 95.14 ft at 4:00PM Sep 22, 2021Observed: 95.13 ft at 4:15PM Sep 22, 2021Observed: 95.14 ft at 4:30PM Sep 22, 2021Observed: 95.13 ft at 4:45PM Sep 22, 2021Observed: 95.14 ft at 5:00PM Sep 22, 2021Observed: 95.13 ft at 5:15PM Sep 22, 2021Observed: 95.13 ft at 5:30PM Sep 22, 2021Observed: 95.13 ft at 5:45PM Sep 22, 2021Observed: 95.13 ft at 6:00PM Sep 22, 2021Observed: 95.13 ft at 6:15PM Sep 22, 2021Observed: 95.13 ft at 6:30PM Sep 22, 2021Observed: 95.13 ft at 6:45PM Sep 22, 2021Observed: 95.13 ft at 7:00PM Sep 22, 2021Observed: 95.13 ft at 7:15PM Sep 22, 2021Observed: 95.13 ft at 7:30PM Sep 22, 2021Observed: 95.13 ft at 7:45PM Sep 22, 2021Observed: 95.13 ft at 8:00PM Sep 22, 2021Observed: 95.13 ft at 8:15PM Sep 22, 2021Observed: 95.13 ft at 8:30PM Sep 22, 2021Observed: 95.13 ft at 8:45PM Sep 22, 2021Observed: 95.13 ft at 9:00PM Sep 22, 2021Observed: 95.13 ft at 9:15PM Sep 22, 2021Observed: 95.13 ft at 9:30PM Sep 22, 2021Observed: 95.13 ft at 9:45PM Sep 22, 2021Observed: 95.13 ft at 10:00PM Sep 22, 2021Observed: 95.13 ft at 10:15PM Sep 22, 2021Observed: 95.13 ft at 10:30PM Sep 22, 2021Observed: 95.13 ft at 10:45PM Sep 22, 2021Observed: 95.13 ft at 11:00PM Sep 22, 2021Observed: 95.13 ft at 11:15PM Sep 22, 2021Observed: 95.13 ft at 11:30PM Sep 22, 2021Observed: 95.13 ft at 11:45PM Sep 22, 2021Observed: 95.13 ft at 12:00AM Sep 23, 2021Observed: 95.13 ft at 12:15AM Sep 23, 2021Observed: 95.13 ft at 12:30AM Sep 23, 2021Observed: 95.13 ft at 12:45AM Sep 23, 2021Observed: 95.13 ft at 1:00AM Sep 23, 2021Observed: 95.13 ft at 1:15AM Sep 23, 2021Observed: 95.13 ft at 1:30AM Sep 23, 2021Observed: 95.13 ft at 1:45AM Sep 23, 2021Observed: 95.13 ft at 2:00AM Sep 23, 2021Observed: 95.13 ft at 2:15AM Sep 23, 2021Observed: 95.13 ft at 2:30AM Sep 23, 2021Observed: 95.13 ft at 2:45AM Sep 23, 2021Observed: 95.13 ft at 3:00AM Sep 23, 2021Observed: 95.12 ft at 3:15AM Sep 23, 2021Observed: 95.12 ft at 3:30AM Sep 23, 2021Observed: 95.12 ft at 3:45AM Sep 23, 2021Observed: 95.12 ft at 4:00AM Sep 23, 2021Observed: 95.12 ft at 4:15AM Sep 23, 2021Observed: 95.12 ft at 4:30AM Sep 23, 2021Observed: 95.12 ft at 4:45AM Sep 23, 2021Observed: 95.12 ft at 5:00AM Sep 23, 2021Observed: 95.12 ft at 5:15AM Sep 23, 2021Observed: 95.12 ft at 5:30AM Sep 23, 2021Observed: 95.12 ft at 5:45AM Sep 23, 2021Observed: 95.12 ft at 6:00AM Sep 23, 2021Observed: 95.12 ft at 6:15AM Sep 23, 2021Observed: 95.12 ft at 6:30AM Sep 23, 2021Observed: 95.12 ft at 6:45AM Sep 23, 2021Observed: 95.12 ft at 7:00AM Sep 23, 2021Observed: 95.12 ft at 7:15AM Sep 23, 2021Observed: 95.12 ft at 7:30AM Sep 23, 2021Observed: 95.12 ft at 7:45AM Sep 23, 2021Observed: 95.12 ft at 8:00AM Sep 23, 2021Observed: 95.12 ft at 8:15AM Sep 23, 2021Observed: 95.12 ft at 8:30AM Sep 23, 2021Observed: 95.12 ft at 8:45AM Sep 23, 2021Observed: 95.12 ft at 9:00AM Sep 23, 2021Observed: 95.12 ft at 9:15AM Sep 23, 2021Observed: 95.12 ft at 9:30AM Sep 23, 2021Observed: 95.12 ft at 9:45AM Sep 23, 2021Observed: 95.12 ft at 10:00AM Sep 23, 2021Observed: 95.12 ft at 10:15AM Sep 23, 2021Observed: 95.12 ft at 10:30AM Sep 23, 2021Observed: 95.12 ft at 10:45AM Sep 23, 2021Observed: 95.12 ft at 11:00AM Sep 23, 2021Observed: 95.12 ft at 11:15AM Sep 23, 2021Observed: 95.12 ft at 11:30AM Sep 23, 2021Observed: 95.12 ft at 11:45AM Sep 23, 2021Observed: 95.12 ft at 12:00PM Sep 23, 2021Observed: 95.12 ft at 12:15PM Sep 23, 2021Observed: 95.12 ft at 12:30PM Sep 23, 2021Observed: 95.12 ft at 12:45PM Sep 23, 2021Observed: 95.12 ft at 1:00PM Sep 23, 2021Observed: 95.12 ft at 1:15PM Sep 23, 2021Observed: 95.12 ft at 1:30PM Sep 23, 2021Observed: 95.12 ft at 1:45PM Sep 23, 2021Observed: 95.12 ft at 2:00PM Sep 23, 2021Observed: 95.12 ft at 2:15PM Sep 23, 2021Observed: 95.12 ft at 2:30PM Sep 23, 2021Observed: 95.12 ft at 2:45PM Sep 23, 2021Observed: 95.12 ft at 3:00PM Sep 23, 2021Observed: 95.12 ft at 3:15PM Sep 23, 2021Observed: 95.12 ft at 3:30PM Sep 23, 2021Observed: 95.12 ft at 3:45PM Sep 23, 2021Observed: 95.12 ft at 4:00PM Sep 23, 2021Observed: 95.12 ft at 4:15PM Sep 23, 2021Observed: 95.12 ft at 4:30PM Sep 23, 2021Observed: 95.12 ft at 4:45PM Sep 23, 2021Observed: 95.12 ft at 5:00PM Sep 23, 2021Observed: 95.12 ft at 5:15PM Sep 23, 2021Observed: 95.12 ft at 5:30PM Sep 23, 2021Observed: 95.12 ft at 5:45PM Sep 23, 2021Observed: 95.12 ft at 6:00PM Sep 23, 2021Observed: 95.12 ft at 6:15PM Sep 23, 2021Observed: 95.12 ft at 6:30PM Sep 23, 2021Observed: 95.12 ft at 6:45PM Sep 23, 2021Observed: 95.12 ft at 7:00PM Sep 23, 2021Observed: 95.12 ft at 7:15PM Sep 23, 2021Observed: 95.12 ft at 7:30PM Sep 23, 2021Observed: 95.12 ft at 7:45PM Sep 23, 2021Observed: 95.12 ft at 8:00PM Sep 23, 2021Observed: 95.12 ft at 8:15PM Sep 23, 2021Observed: 95.12 ft at 8:30PM Sep 23, 2021Observed: 95.12 ft at 8:45PM Sep 23, 2021Observed: 95.12 ft at 9:00PM Sep 23, 2021Observed: 95.12 ft at 9:15PM Sep 23, 2021Observed: 95.12 ft at 9:30PM Sep 23, 2021Observed: 95.12 ft at 9:45PM Sep 23, 2021Observed: 95.12 ft at 10:00PM Sep 23, 2021Observed: 95.12 ft at 10:15PM Sep 23, 2021Observed: 95.12 ft at 10:30PM Sep 23, 2021Observed: 95.13 ft at 10:45PM Sep 23, 2021Observed: 95.12 ft at 11:00PM Sep 23, 2021Observed: 95.12 ft at 11:15PM Sep 23, 2021Observed: 95.12 ft at 11:30PM Sep 23, 2021Observed: 95.12 ft at 11:45PM Sep 23, 2021Observed: 95.12 ft at 12:00AM Sep 24, 2021Observed: 95.12 ft at 12:15AM Sep 24, 2021Observed: 95.12 ft at 12:30AM Sep 24, 2021Observed: 95.12 ft at 12:45AM Sep 24, 2021Observed: 95.12 ft at 1:00AM Sep 24, 2021Observed: 95.12 ft at 1:15AM Sep 24, 2021Observed: 95.12 ft at 1:30AM Sep 24, 2021Observed: 95.12 ft at 1:45AM Sep 24, 2021Observed: 95.12 ft at 2:00AM Sep 24, 2021Observed: 95.12 ft at 2:15AM Sep 24, 2021Observed: 95.12 ft at 2:30AM Sep 24, 2021Observed: 95.12 ft at 2:45AM Sep 24, 2021Observed: 95.12 ft at 3:00AM Sep 24, 2021Observed: 95.12 ft at 3:15AM Sep 24, 2021Observed: 95.12 ft at 3:30AM Sep 24, 2021Observed: 95.12 ft at 3:45AM Sep 24, 2021Observed: 95.12 ft at 4:00AM Sep 24, 2021Observed: 95.12 ft at 4:15AM Sep 24, 2021Observed: 95.12 ft at 4:30AM Sep 24, 2021Observed: 95.12 ft at 4:45AM Sep 24, 2021Observed: 95.12 ft at 5:00AM Sep 24, 2021Observed: 95.12 ft at 5:15AM Sep 24, 2021Observed: 95.12 ft at 5:30AM Sep 24, 2021Observed: 95.12 ft at 5:45AM Sep 24, 2021Observed: 95.12 ft at 6:00AM Sep 24, 2021Observed: 95.12 ft at 6:15AM Sep 24, 2021Observed: 95.12 ft at 6:30AM Sep 24, 2021Observed: 95.12 ft at 6:45AM Sep 24, 2021Observed: 95.12 ft at 7:00AM Sep 24, 2021Observed: 95.12 ft at 7:15AM Sep 24, 2021Observed: 95.12 ft at 7:30AM Sep 24, 2021Observed: 95.12 ft at 7:45AM Sep 24, 2021Observed: 95.12 ft at 8:00AM Sep 24, 2021Observed: 95.12 ft at 8:15AM Sep 24, 2021Observed: 95.12 ft at 8:30AM Sep 24, 2021Observed: 95.12 ft at 8:45AM Sep 24, 2021Observed: 95.11 ft at 9:00AM Sep 24, 2021Observed: 95.12 ft at 9:15AM Sep 24, 2021Observed: 95.12 ft at 9:30AM Sep 24, 2021Minnesota DNRALVM5(plotting HGIRG) Graph Created (10:34AM Sep 24, 2021)ObservedLatest observed value: 95.12 ft at 9:30 AM CDT 24-Sep-2021. Flood Stage is 106 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.

NOTE: Forecasts for the Snake River (NW MN) at Alvarado are issued as needed during times of high water, but are not routinely available.

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Upstream Gauge - above Warren Upstream Gauge Downstream Gauge Downstream Gauge - at Drayton
Flood Categories (in feet)
Major Flood Stage: 110
Moderate Flood Stage: 108
Flood Stage: 106
Action Stage: 105
Low Stage (in feet): -9999

Historic Crests
(1) 110.88 ft on 04/20/1997
(2) 110.84 ft on 04/20/1979 (P)
(3) 110.34 ft on 03/01/1966 (P)
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 110.05 ft on 04/11/2020 (P)
(2) 109.68 ft on 10/14/2019
(3) 108.54 ft on 04/12/2019
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 93.60 ft on 10/30/1979

For more information on your flood risk go to www.floodsmart.gov.
Zoom Level:14
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 Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
116 Water level reaches First Avenue.
114.6 Top of the levee elevation at gage...814.84 feet.
114 Water level reaches Highway 1.
113 Highway 220 is overtopped South of Alvarado. Sandbagging begins on South Road.
112.5 Water levels reaches East Railroad.
112 Water levels reach West Railroad.
111 Flooding begins in unprotected areas of Alvarado.
110 Major Flood Stage...110 feet...flooding between Hwy 1 and railroad grade due to backwater. Inspections of the dike begin.
108 Moderate Flood Stage and overland sheet flooding of local agricultural land.
106 Flood Warning Stage...Minor.Storm sewer flood gates are closed.
105 Forecast Service Stage.
104 Gatewell "B" elevation...804.24 feet.
103 Gatewell "A" elevation...803.24 feet.
93.36 Channel bottom...793.6 feet MSL.
About This Location Collapse

Latitude: 48.195000° N, Longitude: 97.005556° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 106 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 701.09 ft 807.09 ft Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 700.00 ft 806.00 ft Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Current/Historical Observations:
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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.
NWS Information
National Weather Service
Eastern North Dakota/Grand Forks Weather Forecast Office
4797 Technology Circle
Grand Forks, ND 58203
(701) 772-0720
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