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Weather Forecast Office Glasgow, MT Missouri Basin River Forecast Center

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Exceeding Levels
Chance of Exceeding Levels
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Milk River near Glasgow Observed crest: 3.88 ft at 12:25pm Nov 19 Observed: 3.49 ft at 6:30am Nov 15 Observed: 3.88 ft at 12:25pm Nov 19 Observed: 3.82 ft at 11:21am Nov 22 Graph Created (11:57pm Nov 23, 2009) Observed GLWM8 (plotting HGIRZ)   Gage 0  Datum: 2050.93 Latest observed value: 3.82 ft at 11:21 AM MST 22-Nov-2009. Flood Stage is 25.0 ft.   Stage (ft) Flow (kcfs)
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Datum: NGVD29
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NOTE: Automated gauge readings are unavailable, readings taken manually.

NOTE: Forecasts for the Milk River near Glasgow are issued as needed during times of high water, but are not routinely available.

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Upstream Gauge - near Tampico Upstream Gauge Downstream Gauge Downstream Gauge - at Nashua

Flood Categories (in feet)
Major Flood Stage:32.8
Moderate Flood Stage:31
Flood Stage:25
Action Stage:23

Historical Crests
(1) 33.20 ft on 04/18/1952
(2) 33.00 ft on 04/05/1912
(3) 32.84 ft on 03/06/1986
(4) 32.80 ft on 03/25/1939
(5) 32.70 ft on 04/12/1907
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Milk River near Glasgow location map

Flood Impacts & Photos Collapse
38.5 Entire length of Glasgow levee will be overtopped resulting in substantial flooding in the city. All residents south of the railroad tracks should have sought higher ground.
34.5 Water starts to overflow the east end of the Glasgow levee. Residents should be prepared to evacuate southside of Glasgow.
33.8 Highway 42 also known as Fort Peck Highway near Sullivan Park becomes submerged. Traffic barriers should be placed by law enforcement to restrict traffic.
33.5 Water will overtop the Green Meadows levee. Homes behind this levee should be evacuated.
33.2 This matches the stage level of the 1952 flood of record.
32.8 This is a major flood. Most access roads to ranches and farm homes in the lower Milk River Valley are flooded. Many homes near the Highway 24 bridge and outside the Glasgow levee are also flooded.
32.5 Homes immediately to the southwest side of the highway 24 bridge are threatened.
32.0 Homes on the northeast side of the highway 24 bridge start to flood. Homes immediately to the east side of Sullivan Park are flooded.
31.5 Home on the northeast side of the 6th Avenue Bridge becomes isolated by flood waters with water in the basement.
31.0 Flooding will begin to affect buildings between the Fort Peck Highway and the Milk River east of Glasgow. Sullivan Park will be totally covered by flood waters.
30.0 Flood waters will begin to cover 6th Avenue South. Many farmhouses will be cut-off by the floodwaters. Storm drainage valves along Glasgow levee will back-flood into the southside of Glasgow if not closed.
29.5 Livestock/feedlots adjacent to Milk River become isolated by flood water. Livestock relocation to higher ground should have started.
26.0 Flooding begins in the Sullivan recreation park. Some flooding will also occur on area farmlands.
25.0 This is flood stage. Expect some low-land flooding to occur.
Photos
(1) Downstream
(2) Upstream

About This Location Collapse
Latitude: 48.160000° N, Longitude: 106.600000° W, Horizontal Datum: NAD83

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 25 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 2050.93 ft 2075.93 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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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
Glasgow Weather Forecast Office
101 Airport Road
Glasgow, MT 59230
(406) 228-4042
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Page last modified: 31-Dec-2008 9:31 PM
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