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Susquehanna Rivernear Harrisburg, PA (Gauge HARP1)
Forecast | Observation History | Stage Impacts/Record Events
Stages:
Normal
Action
Flood
Moderate Flood
Major Flood
River Stage Data for Gauge HARP1
Normal Stage: 4.5 ft
Flow: 25 kcfs*
(impacts and historical events)
Action Stages:
11': Action
17': Flood
20': Moderate Flood
23': Major Flood
Gauge HARP1 Forecast / History chart | graph
Stage Date CST Stage ft Flow kcfs
FORECAST 02/18/2012 07:00 am 4.80 31.000
FORECAST 02/18/2012 01:00 am 4.70 29.000
FORECAST 02/17/2012 07:00 pm 4.60 27.000
FORECAST 02/17/2012 01:00 pm 4.60 27.000
FORECAST 02/17/2012 07:00 am 4.50 25.000
FORECAST 02/17/2012 01:00 am 4.50 25.000
FORECAST 02/16/2012 07:00 pm 4.50 25.000
FORECAST 02/16/2012 01:00 pm 4.50 25.000
CURRENT 02/16/2012 06:00 am 4.50 25.000
  02/16/2012 05:30 am 4.50 25.000
  02/16/2012 05:00 am 4.50 25.000
  02/16/2012 04:32 am 4.50 25.000
  02/16/2012 04:30 am 4.50 25.000
  02/16/2012 04:00 am 4.51 25.200
  02/16/2012 03:30 am 4.51 25.200
  02/16/2012 03:00 am 4.51 25.200
  02/16/2012 02:30 am 4.51 25.200
  02/16/2012 02:00 am 4.51 25.200
  02/16/2012 01:30 am 4.51 25.200
  02/16/2012 01:00 am 4.51 25.200
  02/16/2012 12:30 am 4.51 25.200
  02/16/2012 12:00 am 4.51 25.200
  02/15/2012 11:30 pm 4.51 25.200
  02/15/2012 11:00 pm 4.51 25.200
  02/15/2012 10:30 pm 4.52 25.400
  02/15/2012 10:00 pm 4.52 25.400
  02/15/2012 09:30 pm 4.52 25.400
  02/15/2012 09:00 pm 4.52 25.400
  02/15/2012 08:30 pm 4.52 25.400
  02/15/2012 08:00 pm 4.52 25.400
  02/15/2012 07:30 pm 4.52 25.400
  02/15/2012 07:00 pm 4.54 25.800
  02/15/2012 06:30 pm 4.54 25.800
  02/15/2012 06:00 pm 4.54 25.800
  02/15/2012 05:30 pm 4.55 26.000
  02/15/2012 05:00 pm 4.55 26.000
  02/15/2012 04:30 pm 4.55 26.000
  02/15/2012 04:00 pm 4.55 26.000
  02/15/2012 03:30 pm 4.55 26.000
Flood Impacts and Historical Events
Stage Impacts
32.0Widespread flooding occurs on both banks. The square and central business district in Harrisburg begin to be affected.
30.0Widespread flooding occurs on both banks.
28.0Widespread flooding occurs in the residential sections of Front and Second Streets and in the Shipoke area of Harrisburg.
26.0Green and Vaughn Streets flood.
24.0The residential section of Front and Second Streets in Harrisburg flood at this level. Cameron Street in Harrisburg floods due to backwater from Paxton Creek.
23.0Evacuations are necessary in the Shipoke area of Harrisburg. The water level reaches the corner of Keller and Front Streets.
22.5US 22/322 in the vicinity of the Dauphin Narrows is impacted by flood waters.
21.0Homes on both banks are affected by high water. This is the approximate level of Routes 11 and 15...upstream of the Market Street Bridge.
19.0A number of homes in West Fairview...Dauphin...and Harrisburg flood.
17.0Basements of residences and businesses on both banks flood. The parking lot on City Island begins to take on water.
15.0The recreation area of City Island is evacuated. River interests are encouraged to monitor conditions.
13.0The recreation area on City Island is evacuated. River interests are encouraged to monitor conditions.
11.0Recreational use of City Island begins to be curtailed. River interests are encouraged to monitor conditions.
Historical Crests Record Lows
1) 32.57 ft on 06/24/1972
2) 29.23 ft on 03/19/1936
3) 26.80 ft on 06/02/1889
4) 25.70 ft on 05/22/1894
5) 25.08 ft on 01/20/1996
1) 1.83 ft on 09/13/1964
2) 2.46 ft on 09/25/1963
3) 2.48 ft on 11/29/1930
4) 2.59 ft on 09/28/1959
5) 2.67 ft on 11/06/1964

Data provided by NOAA Advanced Hydrologic Prediction Service

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