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Middle Atlantic River Forecast Center
 
 

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Ice Jam Photos, February 12, 2004
Remnants of Ice Jam which occurred on Sunday, February 8th at City Park,  Williamsport, MD looking downstream along the left bank of the Potomac River toward the I-81 bridge.
Remnants of Ice Jam which occurred on Sunday, February 8th at City Park,  Williamsport, MD looking upstream along the left bank of the Potomac River with US Route 11 bridge visible.
Large piece of frazil ice which was deposited at City Park, Williamsport, MD.  Frazil ice is the predominant type of ice found in rivers and streams.  This ice is only formed in areas of rapidly-moving open water when the air temperature is below 20 degrees F.  Frazil ice crystals are very "sticky" and can form various ice structures, such as this block.
High water mark which occurred as a result of the February 8th ice jam at Williamsport, MD. Shown is the mouth of the Conococheague Creek as it empties into the Potomac River. The C&O Canal aqueduct is visible to the right.

 

 

 

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