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NOTE: The above river forecast includes future rainfall. Forecast stages may be different if the rainfall does not occur. NOTE: Forecasts for the Lehigh River at Walnutport are issued routinely year-round. |
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Flood Impacts
| 13.0 |
FLOODING BEGIN JUST DOWNSTREAM FROM THE SLATINGTON WALNUTPORT BRIDGE |
| 6.0 |
MINOR FLOODING BEGINS DOWNSTREAM AT CATASAQUA AND HOKENDAQUA |
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Flood Categories (in feet)
| Major Flood Stage: | 16 |
| Moderate Flood Stage: | 12 |
| Flood Stage: | 8 |
| Action Stage: | 7.5 |
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Historical Crests
(1) 20.60 ft on 05/23/1942
(2) 17.68 ft on 08/19/1955
(3) 12.66 ft on 12/04/1950
(4) 12.49 ft on 06/28/2006
(5) 12.32 ft on 01/19/1996
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Probabilistic Stage Forecast for Walnutport
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NOTE: Forecasts for the Lehigh River at Bethlehem are issued routinely year-round. |
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Flood Impacts
| 25.0 |
Levees in the Bethleham area topped. Major flooding begins |
| 15.0 |
The islands in the Allentown area begin to flood |
| 14.0 |
Flooding begins upstream in Allentown. Backwater begins to effect
the Little Lehigh and Jordan Creeks
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Flood Categories (in feet)
| Major Flood Stage: | 22 |
| Moderate Flood Stage: | 20 |
| Flood Stage: | 16 |
| Action Stage: | 12 |
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Historical Crests
(1) 25.90 ft on 05/23/1942
(2) 24.90 ft on 02/28/1902
(3) 23.38 ft on 08/19/1955
(4) 20.02 ft on 06/23/1972
(5) 19.70 ft on 09/18/2004
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Probabilistic Stage Forecast for Bethlehem
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