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| 21.4 |
SEVERE FLOODING BEFORE THE LEVEES WERE BUILT IN MARCH 19 1936. |
| 20.0 |
MAJOR FLOOD STAGE REACHED. MAJOR FLOODING IN THE CANNON HOLE AREA AND ALONG PARTS OF RIVERSIDE DRIVE. ATHENS IS PROTECTED TO 26 FEET. |
| 19.5 |
THE RIVER IS ABOUT 9 FEET OVER ITS BANKS IN THE CANNON HOLE NEIGHBORHOOD. SIX INCHES OF WATER WAS ON THE FIRST FLOOR AND SEVERAL HOMES HAD CELLARS COMPLETELY FILED IN MARCH 1979. |
| 18.5 |
WATER REACHES THE FIRST FLOOR OF HOUSES IN THE CANNON HOLE NEIGHBORHOOD. |
| 16.0 |
THE ACCESS ROAD TO THE CANNON HOLE NEIGHBORHOOD BECOMES IMPASSIBLE DUE TO FLOOD WATERS AND MUD. ATHENS IS PROTECTED TO 26 FEET. |
| 14.5 |
TWO TO THREE FEET OF WATER IN THE BASEMENTS OF HOMES IN THE CANNON HOLE NEIGHBORHOOD. THE SUSQUEHANNA ON THE NEW YORK SIDE IS 4 TO 5 FEET OVER THE BANK. ATHENS IS PROTECTED TO 26 FEET. |
| 11.0 |
MINOR FLOODING BEGINS FOR AREAS WITHOUT PROTECTIVE LEVEES WITH MAINLY FIELD AND SOME BASEMENT FLOODING IN THE CANNON HOLE NEIGHBORHOOD ON THE NEW YORK SIDE OF THE SUSQUEHANNA RIVER. ATHENS IS PROTECTED TO 26 FEET. |
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Photos
(1) view of gagehouse
(2) looking downstream
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Latitude: 41.984800° N,
Longitude: 76.501100° W,
Horizontal Datum:
NAD83
River Stage
Reference Frame |
Gauge Height |
Flood Stage |
Uses |
| NWS stage |
0 ft |
11 ft |
Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps |
| Vertical Datum |
Elevation
(gauge height = 0) |
Elevation
(gauge height = flood stage) |
Elevation information source |
| NAVD88 |
N/A |
N/A |
Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps |
| NGVD 29 |
743.96 ft |
754.96 ft |
Older USGS topographic maps, NGVD29 benchmarks |
| MSL |
N/A |
N/A |
Older USGS topographic maps, MSL benchmarks |
| Other |
N/A |
N/A |
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Effective September 28, 2007, major flood stage was lowered from 21.40 feet to 20.00 feet. A river stage of 20.00 feet better represents when major flooding begins. This change has been coordinated with Bradford County emergency management officials. |
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Hydrologic Resources
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Additional Resources
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The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here. |
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NWS Information |
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weather.gov 
