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Grand Rivernear Portland, MI (Gauge PORM4)
Observation History | Stage Impacts/Record Events
Stages:
Normal
Action
Flood
Moderate Flood
Major Flood
River Stage Data for Gauge PORM4
Normal Stage: 6.62 ft
Flow: 1.35 kcfs*
(impacts and historical events)
Action Stages:
11': Action
12': Flood
14': Moderate Flood
16': Major Flood
Gauge PORM4 History chart | graph
Stage Date CST Stage ft Flow kcfs
CURRENT 02/16/2012 06:45 am 6.62 1.350
  02/16/2012 06:30 am 6.61 1.340
  02/16/2012 06:15 am 6.61 1.340
  02/16/2012 06:00 am 6.62 1.350
  02/16/2012 05:45 am 6.61 1.340
  02/16/2012 05:30 am 6.61 1.340
  02/16/2012 05:15 am 6.61 1.340
  02/16/2012 05:00 am 6.61 1.340
  02/16/2012 04:45 am 6.61 1.340
  02/16/2012 04:30 am 6.59 1.320
  02/16/2012 04:15 am 6.60 1.330
  02/16/2012 04:00 am 6.61 1.340
  02/16/2012 03:45 am 6.62 1.350
  02/16/2012 03:30 am 6.60 1.330
  02/16/2012 03:15 am 6.60 1.330
  02/16/2012 03:00 am 6.60 1.330
  02/16/2012 02:45 am 6.60 1.330
  02/16/2012 02:30 am 6.58 1.310
  02/16/2012 02:15 am 6.61 1.340
  02/16/2012 02:00 am 6.59 1.320
  02/16/2012 01:45 am 6.58 1.310
  02/16/2012 01:30 am 6.59 1.320
  02/16/2012 01:15 am 6.59 1.320
  02/16/2012 01:00 am 6.58 1.310
  02/16/2012 12:45 am 6.60 1.330
  02/16/2012 12:30 am 6.57 1.310
  02/16/2012 12:15 am 6.58 1.310
  02/16/2012 12:00 am 6.58 1.310
  02/15/2012 11:45 pm 6.58 1.310
  02/15/2012 11:30 pm 6.59 1.320
  02/15/2012 11:15 pm 6.58 1.310
Flood Impacts and Historical Events
Stage Impacts
16.0Expect major flooding of the business district and residential areas in the Village of Lyons and basement flooding of residences on the West side of Kent Street in Portland
14.0Expect moderate flooding of the first floor of residences and businesses in the South section of the Village of Lyons. Elizabeth... Superior... and Railroad Streets in the Village of Lyons closed due to flooding
12.0Expect minor flooding in the Village of Lyons and low lying areas adjacent to the river. Two Rivers Park in Portland flooded
11.0River is bankfull. Expect minor flooding of low areas along the river upstream and downstream of Portland
Historical Crests Record Lows
1) 12.98 ft on 04/21/1975
2) 12.84 ft on 05/24/2004
3) 12.05 ft on 03/17/1982
4) 11.57 ft on 06/20/1968
5) 11.56 ft on 03/31/1960
1) 0.00 ft on 09/21/1961
2) 3.84 ft on 10/10/1963
3) 4.00 ft on 09/13/1963

Data provided by NOAA Advanced Hydrologic Prediction Service

Created with HAMweather 4 Alpha 3
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