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Rio Grandeat Alamosa, CO (Gauge ALAC2)
Observation History | Stage Impacts/Record Events
Stages:
Normal
Action
Flood
Moderate Flood
Major Flood
River Stage Data for Gauge ALAC2
Normal Stage: 3.6 ft
Flow: 0.338 kcfs*
(impacts and historical events)
Action Stages:
7': Action
9': Flood
11': Moderate Flood
13': Major Flood
Gauge ALAC2 History chart | graph
Stage Date CST Stage ft Flow kcfs
CURRENT 02/16/2012 05:15 am 3.60 0.338
  02/16/2012 05:00 am 3.60 0.338
  02/16/2012 04:45 am 3.60 0.338
  02/16/2012 04:30 am 3.60 0.338
  02/16/2012 04:15 am 3.60 0.338
  02/16/2012 04:00 am 3.61 0.340
  02/16/2012 03:45 am 3.61 0.340
  02/16/2012 03:30 am 3.61 0.340
  02/16/2012 03:15 am 3.61 0.340
  02/16/2012 03:00 am 3.61 0.340
  02/16/2012 02:45 am 3.61 0.340
  02/16/2012 02:30 am 3.61 0.340
  02/16/2012 02:15 am 3.62 0.342
  02/16/2012 02:00 am 3.62 0.342
  02/16/2012 01:45 am 3.62 0.342
  02/16/2012 01:30 am 3.62 0.342
  02/16/2012 01:15 am 3.62 0.342
  02/16/2012 01:00 am 3.62 0.342
  02/16/2012 12:45 am 3.62 0.342
  02/16/2012 12:30 am 3.62 0.342
  02/16/2012 12:15 am 3.62 0.342
  02/16/2012 12:00 am 3.62 0.342
  02/15/2012 11:45 pm 3.62 0.342
  02/15/2012 11:30 pm 3.62 0.342
  02/15/2012 11:15 pm 3.62 0.342
  02/15/2012 11:00 pm 3.62 0.342
  02/15/2012 10:45 pm 3.62 0.342
  02/15/2012 10:30 pm 3.62 0.342
  02/15/2012 10:15 pm 3.62 0.342
  02/15/2012 10:00 pm 3.62 0.342
  02/15/2012 09:45 pm 3.62 0.342
Flood Impacts and Historical Events
Stage Impacts
15.0MAJOR FLOODING OCCURS. FLOOD WATERS MOVE ACROSS STADIUM DRIVE AND INTO HOMES NEAR ADAMS STATE COLLEGE
14.5MAJOR FLOODING OCCURS. FLOOD WATERS MOVE INTO HOMES ALONG LAKEWOOD AND RIVERWOOD DRIVES IN NORTHEAST ALAMOSA
14.0MAJOR FLOODING OCCURS. FLOOD WATERS INUNDATE APARTMENTS ALONG RIVER DRIVE IN NORTHEAST ALAMOSA
13.5MAJOR FLOODING OCCURS. WATER REACHES BASE OF HIGHWAY 160 BRIDGE AND SPILLS INTO HOMES AND PARK NEAR THE BRIDGE
13.0MAJOR FLOODING OCCURS. WATER REACHES BASE OF STATE AVENUE BRIDGE.
11.5MODERATE FLOODING OCCURS. WATER OVERTOPS LOW SPOTS IN LEVEE PROTECTING ALAMOSA AND BEGINS TO FLOW INTO CATTAILS GOLF COURSE AND NEARBY HOMES
11.0MODERATE AGRICULTURAL FLOODING OCCURS. WATER BEGINS TO OVERTOP LOW SPOTS IN LEVEE PROTECTING ALAMOSA.
9.0MINOR AGRICULTURAL FLOODING OCCURS IN LOW LYING AREAS ALONG THE RIVER
7.0THE RIVER IS BANKFULL
Historical Crests Record Lows
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
1) 0.00 ft on 05/19/1950

Data provided by NOAA Advanced Hydrologic Prediction Service

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