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Hydrograph River at a Glance Download
Rio Grande at Alamosa Stage (ft)Flow (cfs)Observed: 4.98 ft at 10:15AM May 28, 2016Observed: 4.98 ft at 10:30AM May 28, 2016Observed: 4.98 ft at 10:45AM May 28, 2016Observed: 4.98 ft at 11:00AM May 28, 2016Observed: 4.98 ft at 11:15AM May 28, 2016Observed: 4.99 ft at 11:30AM May 28, 2016Observed: 4.99 ft at 11:45AM May 28, 2016Observed: 5 ft at 12:00PM May 28, 2016Observed: 5 ft at 12:15PM May 28, 2016Observed: 5.01 ft at 12:30PM May 28, 2016Observed: 5 ft at 12:45PM May 28, 2016Observed: 5.01 ft at 1:00PM May 28, 2016Observed: 5.01 ft at 1:15PM May 28, 2016Observed: 5.01 ft at 1:30PM May 28, 2016Observed: 5.01 ft at 1:45PM May 28, 2016Observed: 5.01 ft at 2:00PM May 28, 2016Observed: 5.02 ft at 2:15PM May 28, 2016Observed: 5.02 ft at 2:30PM May 28, 2016Observed: 5.03 ft at 2:45PM May 28, 2016Observed: 5.03 ft at 3:00PM May 28, 2016Observed: 5.04 ft at 3:15PM May 28, 2016Observed: 5.04 ft at 3:30PM May 28, 2016Observed: 5.05 ft at 3:45PM May 28, 2016Observed: 5.05 ft at 4:00PM May 28, 2016Observed: 5.05 ft at 4:01PM May 28, 2016Observed: 5.05 ft at 4:15PM May 28, 2016Observed: 5.05 ft at 4:16PM May 28, 2016Observed: 5.05 ft at 4:30PM May 28, 2016Observed: 5.05 ft at 4:31PM May 28, 2016Observed: 5.05 ft at 4:45PM May 28, 2016Observed: 5.04 ft at 5:00PM May 28, 2016Observed: 5.05 ft at 5:15PM May 28, 2016Observed: 5.05 ft at 5:30PM May 28, 2016Observed: 5.04 ft at 5:45PM May 28, 2016Observed: 5.04 ft at 6:00PM May 28, 2016Observed: 5.04 ft at 6:15PM May 28, 2016Observed: 5.03 ft at 6:30PM May 28, 2016Observed: 5.03 ft at 6:45PM May 28, 2016Observed: 5.03 ft at 7:00PM May 28, 2016Observed: 5.03 ft at 7:15PM May 28, 2016Observed: 5.02 ft at 7:30PM May 28, 2016Observed: 5.02 ft at 7:45PM May 28, 2016Observed: 5.01 ft at 8:00PM May 28, 2016Observed: 5.01 ft at 8:15PM May 28, 2016Observed: 5.01 ft at 8:30PM May 28, 2016Observed: 5 ft at 8:45PM May 28, 2016Observed: 5 ft at 9:00PM May 28, 2016Observed: 5 ft at 9:15PM May 28, 2016Observed: 4.99 ft at 9:30PM May 28, 2016Observed: 4.99 ft at 9:45PM May 28, 2016Observed: 4.99 ft at 10:00PM May 28, 2016Observed: 4.98 ft at 10:15PM May 28, 2016Observed: 4.97 ft at 10:30PM May 28, 2016Observed: 4.97 ft at 10:45PM May 28, 2016Observed: 4.97 ft at 11:00PM May 28, 2016Observed: 4.96 ft at 11:15PM May 28, 2016Observed: 4.96 ft at 11:30PM May 28, 2016Observed: 4.96 ft at 11:45PM May 28, 2016Observed: 4.95 ft at 12:00AM May 29, 2016Observed: 4.95 ft at 12:15AM May 29, 2016Observed: 4.94 ft at 12:30AM May 29, 2016Observed: 4.94 ft at 12:45AM May 29, 2016Observed: 4.93 ft at 1:00AM May 29, 2016Observed: 4.93 ft at 1:15AM May 29, 2016Observed: 4.92 ft at 1:30AM May 29, 2016Observed: 4.92 ft at 1:45AM May 29, 2016Observed: 4.92 ft at 2:00AM May 29, 2016Observed: 4.92 ft at 2:15AM May 29, 2016Observed: 4.91 ft at 2:30AM May 29, 2016Observed: 4.91 ft at 2:45AM May 29, 2016Observed: 4.91 ft at 3:00AM May 29, 2016Observed: 4.91 ft at 3:15AM May 29, 2016Observed: 4.91 ft at 3:30AM May 29, 2016Observed: 4.91 ft at 3:45AM May 29, 2016Observed: 4.91 ft at 4:00AM May 29, 2016Observed: 4.91 ft at 4:01AM May 29, 2016Observed: 4.91 ft at 4:15AM May 29, 2016Observed: 4.91 ft at 4:16AM May 29, 2016Observed: 4.92 ft at 4:30AM May 29, 2016Observed: 4.92 ft at 4:31AM May 29, 2016Observed: 4.92 ft at 4:45AM May 29, 2016Observed: 4.92 ft at 5:00AM May 29, 2016Observed: 4.92 ft at 5:15AM May 29, 2016Observed: 4.93 ft at 5:30AM May 29, 2016Observed: 4.93 ft at 5:45AM May 29, 2016Observed: 4.94 ft at 6:00AM May 29, 2016Observed: 4.94 ft at 6:15AM May 29, 2016Observed: 4.94 ft at 6:30AM May 29, 2016Observed: 4.95 ft at 6:45AM May 29, 2016Observed: 4.96 ft at 7:00AM May 29, 2016Observed: 4.96 ft at 7:15AM May 29, 2016Observed: 4.96 ft at 7:30AM May 29, 2016Observed: 4.97 ft at 7:45AM May 29, 2016Observed: 4.97 ft at 8:00AM May 29, 2016Observed: 4.98 ft at 8:15AM May 29, 2016Observed: 4.98 ft at 8:30AM May 29, 2016Observed: 4.98 ft at 8:45AM May 29, 2016Observed: 4.99 ft at 9:00AM May 29, 2016Observed: 5 ft at 9:15AM May 29, 2016Observed: 5.01 ft at 9:30AM May 29, 2016Observed: 5.01 ft at 9:45AM May 29, 2016Observed: 5.02 ft at 10:00AM May 29, 2016Observed: 5.02 ft at 10:15AM May 29, 2016Observed: 5.03 ft at 10:30AM May 29, 2016Observed: 5.03 ft at 10:45AM May 29, 2016Observed: 5.04 ft at 11:00AM May 29, 2016Observed: 5.05 ft at 11:15AM May 29, 2016Observed: 5.05 ft at 11:30AM May 29, 2016Observed: 5.06 ft at 11:45AM May 29, 2016Observed: 5.06 ft at 12:00PM May 29, 2016Observed: 5.06 ft at 12:15PM May 29, 2016Observed: 5.07 ft at 12:30PM May 29, 2016Observed: 5.07 ft at 12:45PM May 29, 2016Observed: 5.08 ft at 1:00PM May 29, 2016Observed: 5.08 ft at 1:15PM May 29, 2016Observed: 5.08 ft at 1:30PM May 29, 2016Observed: 5.09 ft at 1:45PM May 29, 2016Observed: 5.09 ft at 2:00PM May 29, 2016Observed: 5.09 ft at 2:15PM May 29, 2016Observed: 5.09 ft at 2:30PM May 29, 2016Observed: 5.1 ft at 2:45PM May 29, 2016Observed: 5.1 ft at 3:00PM May 29, 2016Observed: 5.1 ft at 3:15PM May 29, 2016Observed: 5.1 ft at 3:30PM May 29, 2016Observed: 5.1 ft at 3:45PM May 29, 2016Observed: 5.1 ft at 4:00PM May 29, 2016Observed: 5.1 ft at 4:02PM May 29, 2016Observed: 5.1 ft at 4:15PM May 29, 2016Observed: 5.1 ft at 4:17PM May 29, 2016Observed: 5.11 ft at 4:30PM May 29, 2016Observed: 5.11 ft at 4:32PM May 29, 2016Observed: 5.1 ft at 4:45PM May 29, 2016Observed: 5.1 ft at 5:00PM May 29, 2016Observed: 5.1 ft at 5:15PM May 29, 2016Observed: 5.1 ft at 5:30PM May 29, 2016Observed: 5.1 ft at 5:45PM May 29, 2016Observed: 5.09 ft at 6:00PM May 29, 2016Observed: 5.09 ft at 6:15PM May 29, 2016Observed: 5.09 ft at 6:30PM May 29, 2016Observed: 5.09 ft at 6:45PM May 29, 2016Observed: 5.09 ft at 7:00PM May 29, 2016Observed: 5.08 ft at 7:15PM May 29, 2016Observed: 5.08 ft at 7:30PM May 29, 2016Observed: 5.08 ft at 7:45PM May 29, 2016Observed: 5.07 ft at 8:00PM May 29, 2016Observed: 5.06 ft at 8:15PM May 29, 2016Observed: 5.06 ft at 8:30PM May 29, 2016Observed: 5.05 ft at 8:45PM May 29, 2016Observed: 5.05 ft at 9:00PM May 29, 2016Observed: 5.05 ft at 9:15PM May 29, 2016Observed: 5.04 ft at 9:30PM May 29, 2016Observed: 5.04 ft at 9:45PM May 29, 2016Observed: 5.03 ft at 10:00PM May 29, 2016Observed: 5.03 ft at 10:15PM May 29, 2016Observed: 5.02 ft at 10:30PM May 29, 2016Observed: 5.02 ft at 10:45PM May 29, 2016Observed: 5.02 ft at 11:00PM May 29, 2016Observed: 5.01 ft at 11:15PM May 29, 2016Observed: 5.01 ft at 11:30PM May 29, 2016Observed: 5.01 ft at 11:45PM May 29, 2016Observed: 5.01 ft at 12:00AM May 30, 2016Observed: 5.01 ft at 12:15AM May 30, 2016Observed: 5.01 ft at 12:30AM May 30, 2016Observed: 5.01 ft at 12:45AM May 30, 2016Observed: 5.01 ft at 1:00AM May 30, 2016Observed: 5.01 ft at 1:15AM May 30, 2016Observed: 5.01 ft at 1:30AM May 30, 2016Observed: 5.01 ft at 1:45AM May 30, 2016Observed: 5.01 ft at 2:00AM May 30, 2016Observed: 5.01 ft at 2:15AM May 30, 2016Observed: 5.01 ft at 2:30AM May 30, 2016Observed: 5.02 ft at 2:45AM May 30, 2016Observed: 5.02 ft at 3:00AM May 30, 2016Observed: 5.02 ft at 3:15AM May 30, 2016Observed: 5.02 ft at 3:30AM May 30, 2016Observed: 5.03 ft at 3:45AM May 30, 2016Observed: 5.04 ft at 4:00AM May 30, 2016Observed: 5.04 ft at 4:15AM May 30, 2016Observed: 5.04 ft at 4:16AM May 30, 2016Observed: 5.04 ft at 4:30AM May 30, 2016Observed: 5.04 ft at 4:31AM May 30, 2016Observed: 5.05 ft at 4:45AM May 30, 2016Observed: 5.05 ft at 4:46AM May 30, 2016Observed: 5.06 ft at 5:00AM May 30, 2016Observed: 5.06 ft at 5:15AM May 30, 2016Observed: 5.07 ft at 5:30AM May 30, 2016Observed: 5.07 ft at 5:45AM May 30, 2016Observed: 5.08 ft at 6:00AM May 30, 2016Observed: 5.08 ft at 6:15AM May 30, 2016Observed: 5.09 ft at 6:30AM May 30, 2016Observed: 5.1 ft at 6:45AM May 30, 2016Observed: 5.1 ft at 7:00AM May 30, 2016Observed: 5.11 ft at 7:15AM May 30, 2016Observed: 5.11 ft at 7:30AM May 30, 2016Observed: 5.12 ft at 7:45AM May 30, 2016Observed: 5.13 ft at 8:00AM May 30, 2016Observed: 5.13 ft at 8:15AM May 30, 2016Observed: 5.13 ft at 8:30AM May 30, 2016Observed: 5.14 ft at 8:45AM May 30, 2016Observed: 5.15 ft at 9:00AM May 30, 2016Observed: 5.15 ft at 9:15AM May 30, 2016Observed: 5.16 ft at 9:30AM May 30, 2016Observed: 5.17 ft at 9:45AM May 30, 2016Observed: 5.17 ft at 10:00AM May 30, 2016Observed: 5.18 ft at 10:15AM May 30, 2016Observed: 5.18 ft at 10:30AM May 30, 2016Observed: 5.18 ft at 10:45AM May 30, 2016Observed: 5.19 ft at 11:00AM May 30, 2016Observed: 5.2 ft at 11:15AM May 30, 2016Observed: 5.2 ft at 11:30AM May 30, 2016Observed: 5.2 ft at 11:45AM May 30, 2016Observed: 5.21 ft at 12:00PM May 30, 2016Observed: 5.21 ft at 12:15PM May 30, 2016Observed: 5.22 ft at 12:30PM May 30, 2016Observed: 5.22 ft at 12:45PM May 30, 2016Observed: 5.23 ft at 1:00PM May 30, 2016Observed: 5.23 ft at 1:15PM May 30, 2016Observed: 5.24 ft at 1:30PM May 30, 2016Observed: 5.24 ft at 1:45PM May 30, 2016Observed: 5.24 ft at 2:00PM May 30, 2016Observed: 5.25 ft at 2:15PM May 30, 2016Observed: 5.25 ft at 2:30PM May 30, 2016Observed: 5.25 ft at 2:45PM May 30, 2016Observed: 5.26 ft at 3:00PM May 30, 2016Observed: 5.26 ft at 3:15PM May 30, 2016Observed: 5.26 ft at 3:30PM May 30, 2016Observed: 5.27 ft at 3:45PM May 30, 2016Observed: 5.27 ft at 4:00PM May 30, 2016Observed: 5.26 ft at 4:15PM May 30, 2016Observed: 5.26 ft at 4:16PM May 30, 2016Observed: 5.27 ft at 4:30PM May 30, 2016Observed: 5.27 ft at 4:31PM May 30, 2016Observed: 5.27 ft at 4:45PM May 30, 2016Observed: 5.27 ft at 4:46PM May 30, 2016Observed: 5.27 ft at 5:00PM May 30, 2016Observed: 5.27 ft at 5:15PM May 30, 2016Observed: 5.27 ft at 5:30PM May 30, 2016Observed: 5.27 ft at 5:45PM May 30, 2016Observed: 5.27 ft at 6:00PM May 30, 2016Observed: 5.27 ft at 6:15PM May 30, 2016Observed: 5.27 ft at 6:30PM May 30, 2016Observed: 5.28 ft at 6:45PM May 30, 2016Observed: 5.28 ft at 7:00PM May 30, 2016Observed: 5.27 ft at 7:15PM May 30, 2016Observed: 5.28 ft at 7:30PM May 30, 2016Observed: 5.28 ft at 7:45PM May 30, 2016Observed: 5.28 ft at 8:00PM May 30, 2016Observed: 5.28 ft at 8:15PM May 30, 2016Observed: 5.28 ft at 8:30PM May 30, 2016Observed: 5.28 ft at 8:45PM May 30, 2016Observed: 5.28 ft at 9:00PM May 30, 2016Observed: 5.28 ft at 9:15PM May 30, 2016Observed: 5.28 ft at 9:30PM May 30, 2016Observed: 5.28 ft at 9:45PM May 30, 2016Observed: 5.28 ft at 10:00PM May 30, 2016Observed: 5.28 ft at 10:15PM May 30, 2016Observed: 5.28 ft at 10:30PM May 30, 2016Observed: 5.29 ft at 10:45PM May 30, 2016Observed: 5.29 ft at 11:00PM May 30, 2016Observed: 5.29 ft at 11:15PM May 30, 2016Observed: 5.29 ft at 11:30PM May 30, 2016Observed: 5.29 ft at 11:45PM May 30, 2016Observed: 5.29 ft at 12:00AM May 31, 2016Observed: 5.3 ft at 12:15AM May 31, 2016Observed: 5.3 ft at 12:30AM May 31, 2016Observed: 5.3 ft at 12:45AM May 31, 2016Observed: 5.3 ft at 1:00AM May 31, 2016Observed: 5.3 ft at 1:15AM May 31, 2016Observed: 5.3 ft at 1:30AM May 31, 2016Observed: 5.3 ft at 1:45AM May 31, 2016Observed: 5.31 ft at 2:00AM May 31, 2016Observed: 5.31 ft at 2:15AM May 31, 2016Observed: 5.32 ft at 2:30AM May 31, 2016Observed: 5.32 ft at 2:45AM May 31, 2016Observed: 5.33 ft at 3:00AM May 31, 2016Observed: 5.33 ft at 3:15AM May 31, 2016Observed: 5.34 ft at 3:30AM May 31, 2016Observed: 5.34 ft at 3:45AM May 31, 2016Observed: 5.35 ft at 4:00AM May 31, 2016Observed: 5.36 ft at 4:15AM May 31, 2016Observed: 5.36 ft at 4:17AM May 31, 2016Observed: 5.36 ft at 4:30AM May 31, 2016Observed: 5.36 ft at 4:32AM May 31, 2016Observed: 5.37 ft at 4:45AM May 31, 2016Observed: 5.37 ft at 4:47AM May 31, 2016Observed: 5.37 ft at 5:00AM May 31, 2016Observed: 5.37 ft at 5:15AM May 31, 2016Observed: 5.38 ft at 5:30AM May 31, 2016Observed: 5.38 ft at 5:45AM May 31, 2016Observed: 5.39 ft at 6:00AM May 31, 2016Observed: 5.4 ft at 6:15AM May 31, 2016Observed: 5.41 ft at 6:30AM May 31, 2016Observed: 5.41 ft at 6:45AM May 31, 2016Observed: 5.41 ft at 7:00AM May 31, 2016Observed: 5.42 ft at 7:15AM May 31, 2016Observed: 5.42 ft at 7:30AM May 31, 2016Observed: 5.43 ft at 7:45AM May 31, 2016Observed: 5.43 ft at 8:00AM May 31, 2016Observed: 5.44 ft at 8:15AM May 31, 2016Observed: 5.44 ft at 8:30AM May 31, 2016Observed: 5.45 ft at 8:45AM May 31, 2016Observed: 5.45 ft at 9:00AM May 31, 2016Highest Observation: 5.46 ft at 9:15AM May 31, 2016Highest Observation: 5.46 ft at 9:30AM May 31, 2016Colorado Division of Water ResourcesALAC2(plotting HGIRG) Graph Created (10:02AM May 31, 2016)ObservedLatest observed value: 5.46 ft at 9:30 AM MDT 31-May-2016. Flood Stage is 9 ft
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About this graph
Tabular Data (UTC)
Tabular Data (MDT)
XML Data
RSS Files
Datum: NGVD29
Metadata
NOTE: Forecasts for the Rio Grande at Alamosa are issued as needed during times of high water, but are not routinely available.
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Upstream Gauge - near Del Norte Upstream Gauge Downstream Gauge Downstream Gauge - near Cerro
Flood Categories (in feet)
Major Flood Stage: 13
Moderate Flood Stage: 11
Flood Stage: 9
Action Stage: 7
Low Stage (in feet): 0

Historic Crests
(1) 10.62 ft on 06/20/1949
(2) 9.97 ft on 05/23/1948
(3) 9.87 ft on 06/05/1948
(4) 9.32 ft on 05/18/1944
(5) 8.84 ft on 07/03/1995
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 5.54 ft on 09/29/2013
(2) 5.17 ft on 03/28/2012
(3) 5.13 ft on 05/09/2009
(4) 6.45 ft on 06/05/2008
(5) 7.19 ft on 05/25/2005
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

For more information on your flood risk go to www.floodsmart.gov.

Zoom Level:14
KML Image
Gauge LocationGauge Map Marker
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
15 Major flooding occurs. Flood waters move across Stadium Drive and into homes near Adams State College
14.5 Major flooding occurs. Flood waters move into homes along Lakewood and Riverwood Drives in northeast Alamosa
14 Major flooding occurs. Flood waters inundate apartments along River Drive in northeast Alamosa
13.5 Major flooding occurs. Water reaches base of Highway 160 Bridge and spills into homes and park near the bridge
13 Major flooding occurs. Water reaches base of State Avenue Bridge.
11.5 Moderate flooding occurs. Water overtops low spots in levee protecting Alamosa and begins to flow into Cattails Golf Course and nearby homes
11 Moderate agricultural flooding occurs. Water begins to overtop low spots in levee protecting Alamosa.
9 Minor agricultural flooding occurs in low lying areas along the river
7 The river is bankfull
About This Location Collapse

Latitude: 37.480833° N, Longitude: 105.878056° W, Horizontal Datum: NAD27

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 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 7532.66 ft 7541.66 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:

Additional Information Collapse
River stage observations provided by the Colorado Division of Water Resources
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
Pueblo Weather Forecast Office
3 Eaton Way
Pueblo, CO 81001
(719) 948-9429
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Page last modified: 13-Aug-2015 1:55 AM
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