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Hydrologic Statement

National Weather Service Pittsburgh PA

205 PM EST Fri Dec 12 2025



...River Ice Statement...



Below are a river ice observations over the last 24 hours. 



DATE OF OBSERVATION: 12/12/2025 08:00 AM EST    ID: NATP1

LOCATION: N Natrona (Lock and Dam 4)

REPORT: Partial ice coverage (<75%).

REMARKS: Ice extends 2 miles upstream. Ice thickness is less than 1 

inch. 





DATE OF OBSERVATION: 12/12/2025 08:00 AM EST    ID: FREP1

LOCATION: Freeport (Lock and Dam 5)

REPORT: Partial ice coverage (<25%).

REMARKS: Clear shell ice extending 2 miles upstream. Ice thickness 

is less than 1 inch. 





DATE OF OBSERVATION: 12/12/2025 08:00 AM EST    ID: ACMP1

LOCATION: CW Bill Young Lock and Dam (3)

REPORT: Partial ice coverage (<25%).

REMARKS: Ice is locally formed and clear. Ice extends about 1 mile 

upstream. Ice thickness is less than 1 inch.



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