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| Critical Stages |
| 10' -Action |
11' -Flood |
15' -Moderate Flood |
20' -Major Flood |
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| Forecast not available for this location. |
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| Observation history unavailable for thie location. |
| Flood Impacts |
| 20.0 | THIS IS A SIGNIFICANT AND SERIOUS FLOOD. IF YOU ARE IN A FLOOD PRONE LOCATION NEAR THE RIVER...ACT QUICKLY AND HEAD FOR HIGHER GROUND. IF YOU ARE ASKED TO EVACUATE...DO SO IMMEDIATELY. FLOODING AFFECTS PORTIONS OF GOFFSTOWN...MANCHESTER...MERRIMACK AND LITCHFIELD. |
| 15.0 | FLOODING IS EXPECTED IN LOW LYING AREAS OF GOFFSTOWN...MANCHESTER...MERRIMACK AND LITCHFIELD. SHOULD EVACUATIONS BECOME NECESSARY...ACT QUICKLY AND FOLLOW THE DIRECTIONS OF LOCAL EMERGENCY MANAGEMENT OFFICALS. FLOODING MAY FORCE THE CLOSURE OF SOME ROADWAYS WHICH RUN ALONG THE RIVER. KNOW ALTERNATE ROUTES SO YOU CAN AVOID THESE LOCATIONS. |
| 11.0 | FLOODING IS LIKELY IN LOWEST LYING AREAS ALONG THE RIVER AFFECTING GOFFSTOWN...MANCHESTER...MERRIMACK AND LITCHFIELD. |
| Historical Crests |
Low Water Records |
1) 35.19 ft on 03/20/1936
2) 25.87 ft on 09/23/1938
3) 19.87 ft on 05/15/2006
4) 17.42 ft on 04/06/1960
5) 16.79 ft on 04/17/2007
6) 14.47 ft on 04/06/1987
7) 13.90 ft on 03/28/1953
8) 13.45 ft on 04/12/1951
9) 13.36 ft on 06/01/1984
10) 13.30 ft on 04/07/1952
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1) 1.00 ft on 10/11/1964
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Data provided by NOAA Advanced Hydrologic Prediction Service
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