HAMweather River Center - Allegheny River At Clinton L&d, PA

Allegheny Riverat Clinton L&D, PA (Gauge CLNP1)
Forecast | Observation History | Stage Impacts/Record Events

Stages:

Normal

Action

Flood

Moderate Flood

Major Flood

Normal Stage: 9.97 ft
Flow: 4.39 kcfs*
(impacts and historical events)

Action Stages:

17': Action

21': Flood

22': Moderate Flood

24': Major Flood

Stage		Date CST	Stage ft	Flow kcfs
	FORECAST	02/21/2012 07:00 am	11.20	10.600
	FORECAST	02/21/2012 01:00 am	11.20	10.600
	FORECAST	02/20/2012 07:00 pm	11.20	10.600
	FORECAST	02/20/2012 01:00 pm	11.20	10.600
	FORECAST	02/20/2012 07:00 am	11.30	11.500
	FORECAST	02/20/2012 01:00 am	11.30	11.500
	FORECAST	02/19/2012 07:00 pm	11.30	11.500
	FORECAST	02/19/2012 01:00 pm	11.40	12.500
	FORECAST	02/19/2012 07:00 am	11.50	13.500
	FORECAST	02/19/2012 01:00 am	11.60	14.700
	FORECAST	02/18/2012 07:00 pm	11.60	14.700
	FORECAST	02/18/2012 01:00 pm	11.60	14.700
	FORECAST	02/18/2012 07:00 am	11.60	14.700
	FORECAST	02/18/2012 01:00 am	11.50	13.500
	FORECAST	02/17/2012 07:00 pm	11.40	12.500
	FORECAST	02/17/2012 01:00 pm	11.20	10.600
	FORECAST	02/17/2012 07:00 am	10.90	8.510
	FORECAST	02/17/2012 01:00 am	10.50	6.750
	FORECAST	02/16/2012 07:00 pm	10.20	5.310
	FORECAST	02/16/2012 01:00 pm	10.10	4.890
	CURRENT	02/16/2012 11:00 am	9.97	4.390
		02/16/2012 10:45 am	9.96	4.350
		02/16/2012 10:30 am	9.97	4.390
		02/16/2012 10:15 am	9.98	4.430
		02/16/2012 10:00 am	9.97	4.390
		02/16/2012 09:45 am	9.97	4.390
		02/16/2012 09:30 am	9.97	4.390
		02/16/2012 09:15 am	9.98	4.430
		02/16/2012 09:00 am	9.97	4.390
		02/16/2012 08:45 am	9.97	4.390
		02/16/2012 08:30 am	9.96	4.350
		02/16/2012 08:15 am	9.95	4.320
		02/16/2012 08:00 am	9.95	4.320
		02/16/2012 07:45 am	9.93	4.240
		02/16/2012 07:30 am	9.93	4.240
		02/16/2012 07:15 am	9.93	4.240
		02/16/2012 07:00 am	9.91	4.170
		02/16/2012 06:45 am	9.90	4.140
		02/16/2012 06:30 am	9.89	4.100
		02/16/2012 06:15 am	9.89	4.100
		02/16/2012 06:00 am	9.88	4.070
		02/16/2012 05:45 am	9.89	4.100
		02/16/2012 05:30 am	9.89	4.100
		02/16/2012 05:15 am	9.90	4.140
		02/16/2012 05:00 am	9.91	4.170
		02/16/2012 04:45 am	9.89	4.100
		02/16/2012 04:30 am	9.90	4.140
		02/16/2012 04:15 am	9.90	4.140
		02/16/2012 04:00 am	9.91	4.170
		02/16/2012 03:45 am	9.91	4.170
		02/16/2012 03:30 am	9.89	4.100

Stage Impacts
26.4	WATER REACHES THE BOTTOM OF THE FIRST FLOOR WINDOW OF THE POWERHOUSE AT LOCK 6.
23.0	TOP OF RAIL OF THE PENNSYLVANIA RAILROAD ACROSS THE RIVER FROM THE LOCK FLOODS.
19.0	Lock walls overtopped.
17.0	Navigation suspended, lock out of service.

Historical Crests	Record Lows
1) 26.40 ft on 03/18/1936 2) 22.00 ft on 06/23/1972 3) 20.30 ft on 09/18/2004 4) 19.80 ft on 03/16/2007 5) 19.20 ft on 12/31/1990 6) 16.20 ft on 03/23/2007	Low water records are unavailable.

Data provided by NOAA Advanced Hydrologic Prediction Service