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Weather Forecast Office Eastern North Dakota/Grand Forks, ND North Central River Forecast Center
Flood Watch
View all valid statements/warnings
Hydrograph River at a Glance Download Weekly Chance of
Exceeding Levels		 Chance of Exceeding Levels
During Entire Period
Snake River (09020309) at Alvarado Stage (ft)Flow (kcfs)Observed: 96.38 ft at 12:30PM May 17, 2013Observed: 96.38 ft at 12:45PM May 17, 2013Observed: 96.38 ft at 1:00PM May 17, 2013Observed: 96.38 ft at 1:15PM May 17, 2013Observed: 96.38 ft at 1:30PM May 17, 2013Observed: 96.38 ft at 1:45PM May 17, 2013Observed: 96.38 ft at 2:00PM May 17, 2013Observed: 96.38 ft at 2:15PM May 17, 2013Observed: 96.38 ft at 2:30PM May 17, 2013Observed: 96.38 ft at 2:45PM May 17, 2013Observed: 96.38 ft at 3:00PM May 17, 2013Observed: 96.37 ft at 3:15PM May 17, 2013Observed: 96.38 ft at 3:30PM May 17, 2013Observed: 96.37 ft at 3:45PM May 17, 2013Observed: 96.37 ft at 4:00PM May 17, 2013Observed: 96.38 ft at 4:15PM May 17, 2013Observed: 96.37 ft at 4:30PM May 17, 2013Observed: 96.37 ft at 4:45PM May 17, 2013Observed: 96.37 ft at 5:00PM May 17, 2013Observed: 96.37 ft at 5:15PM May 17, 2013Observed: 96.37 ft at 5:30PM May 17, 2013Observed: 96.37 ft at 5:45PM May 17, 2013Observed: 96.37 ft at 6:00PM May 17, 2013Observed: 96.37 ft at 6:15PM May 17, 2013Observed: 96.37 ft at 6:30PM May 17, 2013Observed: 96.37 ft at 6:45PM May 17, 2013Observed: 96.37 ft at 7:00PM May 17, 2013Observed: 96.37 ft at 7:15PM May 17, 2013Observed: 96.37 ft at 7:30PM May 17, 2013Observed: 96.37 ft at 7:45PM May 17, 2013Observed: 96.37 ft at 8:00PM May 17, 2013Observed: 96.37 ft at 8:15PM May 17, 2013Observed: 96.37 ft at 8:30PM May 17, 2013Observed: 96.37 ft at 8:45PM May 17, 2013Observed: 96.37 ft at 9:00PM May 17, 2013Observed: 96.37 ft at 9:15PM May 17, 2013Observed: 96.37 ft at 9:30PM May 17, 2013Observed: 96.37 ft at 9:45PM May 17, 2013Observed: 96.36 ft at 10:00PM May 17, 2013Observed: 96.36 ft at 10:15PM May 17, 2013Observed: 96.36 ft at 10:30PM May 17, 2013Observed: 96.36 ft at 10:45PM May 17, 2013Observed: 96.36 ft at 11:00PM May 17, 2013Observed: 96.37 ft at 11:15PM May 17, 2013Observed: 96.36 ft at 11:30PM May 17, 2013Observed: 96.36 ft at 11:45PM May 17, 2013Observed: 96.36 ft at 12:00AM May 18, 2013Observed: 96.36 ft at 12:15AM May 18, 2013Observed: 96.36 ft at 12:30AM May 18, 2013Observed: 96.36 ft at 12:45AM May 18, 2013Observed: 96.36 ft at 1:00AM May 18, 2013Observed: 96.36 ft at 1:15AM May 18, 2013Observed: 96.36 ft at 1:30AM May 18, 2013Observed: 96.36 ft at 1:45AM May 18, 2013Observed: 96.36 ft at 2:00AM May 18, 2013Observed: 96.36 ft at 2:15AM May 18, 2013Observed: 96.36 ft at 2:30AM May 18, 2013Observed: 96.36 ft at 2:45AM May 18, 2013Observed: 96.36 ft at 3:00AM May 18, 2013Observed: 96.35 ft at 3:15AM May 18, 2013Observed: 96.36 ft at 3:30AM May 18, 2013Observed: 96.36 ft at 3:45AM May 18, 2013Observed: 96.35 ft at 4:00AM May 18, 2013Observed: 96.35 ft at 4:15AM May 18, 2013Observed: 96.35 ft at 4:30AM May 18, 2013Observed: 96.35 ft at 4:45AM May 18, 2013Observed: 96.35 ft at 5:00AM May 18, 2013Observed: 96.35 ft at 5:15AM May 18, 2013Observed: 96.34 ft at 5:30AM May 18, 2013Observed: 96.34 ft at 5:45AM May 18, 2013Observed: 96.34 ft at 6:00AM May 18, 2013Observed: 96.34 ft at 6:15AM May 18, 2013Observed: 96.34 ft at 6:30AM May 18, 2013Observed: 96.34 ft at 6:45AM May 18, 2013Observed: 96.33 ft at 7:00AM May 18, 2013Observed: 96.33 ft at 7:15AM May 18, 2013Observed: 96.33 ft at 7:30AM May 18, 2013Observed: 96.33 ft at 7:45AM May 18, 2013Observed: 96.33 ft at 8:00AM May 18, 2013Observed: 96.33 ft at 8:15AM May 18, 2013Observed: 96.32 ft at 8:30AM May 18, 2013Observed: 96.32 ft at 8:45AM May 18, 2013Observed: 96.32 ft at 9:00AM May 18, 2013Observed: 96.31 ft at 9:15AM May 18, 2013Observed: 96.31 ft at 9:30AM May 18, 2013Observed: 96.31 ft at 9:45AM May 18, 2013Observed: 96.31 ft at 10:00AM May 18, 2013Observed: 96.3 ft at 10:15AM May 18, 2013Observed: 96.3 ft at 10:30AM May 18, 2013Observed: 96.3 ft at 10:45AM May 18, 2013Observed: 96.3 ft at 11:00AM May 18, 2013Observed: 96.29 ft at 11:15AM May 18, 2013Observed: 96.29 ft at 11:30AM May 18, 2013Observed: 96.29 ft at 11:45AM May 18, 2013Observed: 96.29 ft at 12:00PM May 18, 2013Observed: 96.29 ft at 12:15PM May 18, 2013Observed: 96.29 ft at 12:30PM May 18, 2013Observed: 96.29 ft at 12:45PM May 18, 2013Observed: 96.29 ft at 1:00PM May 18, 2013Observed: 96.29 ft at 1:15PM May 18, 2013Observed: 96.3 ft at 1:30PM May 18, 2013Observed: 96.3 ft at 1:45PM May 18, 2013Observed: 96.3 ft at 2:00PM May 18, 2013Observed: 96.3 ft at 2:15PM May 18, 2013Observed: 96.3 ft at 2:30PM May 18, 2013Observed: 96.3 ft at 2:45PM May 18, 2013Observed: 96.3 ft at 3:00PM May 18, 2013Observed: 96.3 ft at 3:15PM May 18, 2013Observed: 96.3 ft at 3:30PM May 18, 2013Observed: 96.3 ft at 3:45PM May 18, 2013Observed: 96.3 ft at 4:00PM May 18, 2013Observed: 96.3 ft at 4:15PM May 18, 2013Observed: 96.31 ft at 4:30PM May 18, 2013Observed: 96.3 ft at 4:45PM May 18, 2013Observed: 96.3 ft at 5:00PM May 18, 2013Observed: 96.31 ft at 5:15PM May 18, 2013Observed: 96.3 ft at 5:30PM May 18, 2013Observed: 96.31 ft at 5:45PM May 18, 2013Observed: 96.3 ft at 6:00PM May 18, 2013Observed: 96.31 ft at 6:15PM May 18, 2013Observed: 96.31 ft at 6:30PM May 18, 2013Observed: 96.31 ft at 6:45PM May 18, 2013Observed: 96.31 ft at 7:00PM May 18, 2013Observed: 96.31 ft at 7:15PM May 18, 2013Observed: 96.31 ft at 7:30PM May 18, 2013Observed: 96.31 ft at 7:45PM May 18, 2013Observed: 96.31 ft at 8:00PM May 18, 2013Observed: 96.31 ft at 8:15PM May 18, 2013Observed: 96.31 ft at 8:30PM May 18, 2013Observed: 96.31 ft at 8:45PM May 18, 2013Observed: 96.31 ft at 9:00PM May 18, 2013Observed: 96.31 ft at 9:15PM May 18, 2013Observed: 96.31 ft at 9:30PM May 18, 2013Observed: 96.31 ft at 9:45PM May 18, 2013Observed: 96.31 ft at 10:00PM May 18, 2013Observed: 96.31 ft at 10:15PM May 18, 2013Observed: 96.31 ft at 10:30PM May 18, 2013Observed: 96.32 ft at 10:45PM May 18, 2013Observed: 96.33 ft at 11:00PM May 18, 2013Observed: 96.34 ft at 11:15PM May 18, 2013Observed: 96.36 ft at 11:30PM May 18, 2013Observed: 96.38 ft at 11:45PM May 18, 2013Observed: 96.41 ft at 12:00AM May 19, 2013Observed: 96.45 ft at 12:15AM May 19, 2013Observed: 96.49 ft at 12:30AM May 19, 2013Observed: 96.55 ft at 12:45AM May 19, 2013Observed: 96.61 ft at 1:00AM May 19, 2013Observed: 96.68 ft at 1:15AM May 19, 2013Observed: 96.75 ft at 1:30AM May 19, 2013Observed: 96.82 ft at 1:45AM May 19, 2013Observed: 96.89 ft at 2:00AM May 19, 2013Observed: 96.96 ft at 2:15AM May 19, 2013Observed: 97.03 ft at 2:30AM May 19, 2013Observed: 97.1 ft at 2:45AM May 19, 2013Observed: 97.16 ft at 3:00AM May 19, 2013Observed: 97.22 ft at 3:15AM May 19, 2013Observed: 97.27 ft at 3:30AM May 19, 2013Observed: 97.32 ft at 3:45AM May 19, 2013Observed: 97.37 ft at 4:00AM May 19, 2013Observed: 97.42 ft at 4:15AM May 19, 2013Observed: 97.47 ft at 4:30AM May 19, 2013Observed: 97.68 ft at 5:45AM May 19, 2013Observed: 97.72 ft at 6:00AM May 19, 2013Observed: 97.76 ft at 6:15AM May 19, 2013Observed: 97.79 ft at 6:30AM May 19, 2013Observed: 97.82 ft at 6:45AM May 19, 2013Observed: 97.84 ft at 7:00AM May 19, 2013Observed: 97.87 ft at 7:15AM May 19, 2013Observed: 97.91 ft at 7:30AM May 19, 2013Observed: 97.96 ft at 7:45AM May 19, 2013Observed: 98 ft at 8:00AM May 19, 2013Observed: 98.03 ft at 8:15AM May 19, 2013Observed: 98.05 ft at 8:30AM May 19, 2013Observed: 98.07 ft at 8:45AM May 19, 2013Observed: 98.1 ft at 9:00AM May 19, 2013Observed: 98.11 ft at 9:15AM May 19, 2013Observed: 98.13 ft at 9:30AM May 19, 2013Observed: 98.14 ft at 9:45AM May 19, 2013Observed: 98.15 ft at 10:00AM May 19, 2013Observed: 98.16 ft at 10:15AM May 19, 2013Observed: 98.17 ft at 10:30AM May 19, 2013Observed: 98.19 ft at 10:45AM May 19, 2013Observed: 98.2 ft at 11:00AM May 19, 2013Observed: 98.2 ft at 11:15AM May 19, 2013Observed: 98.22 ft at 11:30AM May 19, 2013Observed: 98.23 ft at 11:45AM May 19, 2013Observed: 98.24 ft at 12:00PM May 19, 2013Observed: 98.25 ft at 12:15PM May 19, 2013Observed: 98.24 ft at 12:30PM May 19, 2013Observed: 98.26 ft at 12:45PM May 19, 2013Observed: 98.28 ft at 1:00PM May 19, 2013Observed: 98.28 ft at 1:15PM May 19, 2013Observed: 98.27 ft at 1:30PM May 19, 2013Observed: 98.28 ft at 1:45PM May 19, 2013Observed: 98.28 ft at 2:00PM May 19, 2013Observed: 98.29 ft at 2:15PM May 19, 2013Observed: 98.3 ft at 2:30PM May 19, 2013Observed: 98.29 ft at 2:45PM May 19, 2013Observed: 98.3 ft at 3:00PM May 19, 2013Observed: 98.3 ft at 3:15PM May 19, 2013Observed: 98.3 ft at 3:30PM May 19, 2013Observed: 98.3 ft at 3:45PM May 19, 2013Observed: 98.31 ft at 4:00PM May 19, 2013Observed: 98.3 ft at 4:15PM May 19, 2013Observed: 98.31 ft at 4:30PM May 19, 2013Observed: 98.31 ft at 4:45PM May 19, 2013Observed: 98.32 ft at 5:00PM May 19, 2013Observed: 98.32 ft at 5:15PM May 19, 2013Observed: 98.32 ft at 5:30PM May 19, 2013Observed: 98.32 ft at 5:45PM May 19, 2013Observed: 98.33 ft at 6:00PM May 19, 2013Observed: 98.32 ft at 6:15PM May 19, 2013Observed: 98.34 ft at 6:30PM May 19, 2013Observed: 98.34 ft at 6:45PM May 19, 2013Observed: 98.34 ft at 7:00PM May 19, 2013Observed: 98.35 ft at 7:15PM May 19, 2013Observed: 98.35 ft at 7:30PM May 19, 2013Observed: 98.36 ft at 7:45PM May 19, 2013Observed: 98.37 ft at 8:00PM May 19, 2013Observed: 98.37 ft at 8:15PM May 19, 2013Observed: 98.37 ft at 8:30PM May 19, 2013Observed: 98.38 ft at 8:45PM May 19, 2013Observed: 98.4 ft at 9:00PM May 19, 2013Observed: 98.41 ft at 9:15PM May 19, 2013Observed: 98.41 ft at 9:30PM May 19, 2013Observed: 98.42 ft at 9:45PM May 19, 2013Observed: 98.43 ft at 10:00PM May 19, 2013Observed: 98.44 ft at 10:15PM May 19, 2013Observed: 98.45 ft at 10:30PM May 19, 2013Observed: 98.46 ft at 10:45PM May 19, 2013Observed: 98.47 ft at 11:00PM May 19, 2013Observed: 98.48 ft at 11:15PM May 19, 2013Observed: 98.49 ft at 11:30PM May 19, 2013Observed: 98.51 ft at 11:45PM May 19, 2013Observed: 98.51 ft at 12:00AM May 20, 2013Observed: 98.53 ft at 12:15AM May 20, 2013Observed: 98.53 ft at 12:30AM May 20, 2013Observed: 98.54 ft at 12:45AM May 20, 2013Observed: 98.55 ft at 1:00AM May 20, 2013Observed: 98.55 ft at 1:15AM May 20, 2013Observed: 98.56 ft at 1:30AM May 20, 2013Observed: 98.57 ft at 1:45AM May 20, 2013Observed: 98.58 ft at 2:00AM May 20, 2013Observed: 98.59 ft at 2:15AM May 20, 2013Observed: 98.62 ft at 2:30AM May 20, 2013Observed: 98.63 ft at 2:45AM May 20, 2013Observed: 98.64 ft at 3:00AM May 20, 2013Observed: 98.65 ft at 3:15AM May 20, 2013Observed: 98.66 ft at 3:30AM May 20, 2013Observed: 98.66 ft at 3:45AM May 20, 2013Observed: 98.67 ft at 4:00AM May 20, 2013Observed: 98.68 ft at 4:15AM May 20, 2013Observed: 98.68 ft at 4:30AM May 20, 2013Observed: 98.68 ft at 4:45AM May 20, 2013Observed: 98.69 ft at 5:00AM May 20, 2013Observed: 98.7 ft at 5:15AM May 20, 2013Observed: 98.7 ft at 5:30AM May 20, 2013Observed: 98.71 ft at 5:45AM May 20, 2013Observed: 98.72 ft at 6:00AM May 20, 2013Observed: 98.72 ft at 6:15AM May 20, 2013Observed: 98.73 ft at 6:30AM May 20, 2013Observed: 98.76 ft at 7:15AM May 20, 2013Observed: 98.78 ft at 7:30AM May 20, 2013Observed: 98.8 ft at 7:45AM May 20, 2013Observed: 98.8 ft at 8:00AM May 20, 2013Observed: 98.82 ft at 8:15AM May 20, 2013Observed: 98.82 ft at 8:30AM May 20, 2013Observed: 98.82 ft at 8:45AM May 20, 2013Observed: 98.83 ft at 9:00AM May 20, 2013Observed: 98.83 ft at 9:15AM May 20, 2013Observed: 98.85 ft at 9:30AM May 20, 2013Observed: 98.85 ft at 9:45AM May 20, 2013Observed: 98.86 ft at 10:00AM May 20, 2013Observed: 98.87 ft at 10:15AM May 20, 2013Observed: 98.87 ft at 10:30AM May 20, 2013Observed: 98.89 ft at 10:45AM May 20, 2013Observed: 98.9 ft at 11:00AM May 20, 2013Highest Observation: 98.91 ft at 11:15AM May 20, 2013Highest Observation: 98.91 ft at 11:30AM May 20, 2013Minnesota DNRALVM5(plotting HGIRG) Graph Created (12:21PM May 20, 2013)ObservedLatest observed value: 98.91 ft at 11:30 AM CDT 20-May-2013. Flood Stage is 106 ft
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About this graph
Tabular Data
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Forecasts for the Snake River (09020309) at Alvarado are issued as needed during times of high water, but are not routinely available.
Return to Area Map
Upstream Gauge - above Warren - MN (Morekassel Bridge) 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

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

Low Water Records
(1) 93.60 ft on 10/30/1979
Legend
Gauge Location
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
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 underwater. 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 Minor Flood Stage...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: 97.005000° 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 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 700 ft 806 ft Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Other Data Sources:
Additional Information Collapse
MN DNR Gage Site for Alvarado
How low could the river get?
Resources Collapse
Hydrologic Resources Additional Resources
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
Eastern North Dakota/Grand Forks Weather Forecast Office
4797 Technology Circle
Grand Forks, ND 58203
(701) 772-0720
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Page last modified: 13-Mar-2013 6:33 PM 		Disclaimer
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