RIVER ICE REPORT

LOCATION: 

SPOTTER #

1. FREEZE UP

Border Ice:    Growth from shore          % Channel open

Moving Ice:   Types            Frazil Slush          Frazil Pans    Pieces of sheet ice                         

2. INTACT ICE COVER

Date of complete ice cover:     (month/day/year)  

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200920102011201220132014201520162017201820192020202120222023202420252026202720282029

12:00 AM 1:00 AM 2:00 AM 3:00 AM 4:00 AM 5:00 AM 6:00 AM 7:00 AM 8:00 AM 9:00 AM 10:00 AM 11:00 AM 12:00 PM 1:00 PM 2:00 PM 3:00 PM 4:00 PM 5:00 PM 6:00 PM 7:00 PM 8:00 PM 9:00 PM 10:00 PM 11:00 PM

Location of downstream end of ice cover

Location of upstream end of ice cover

Degree of decay:        No Decay          Snow Covered    Melting Snow    Candled Ice 

3. BREAKUP

Time ice started to move:     

Time Water is clear of ice: 

Estimated height of sheer walls remaining along bank ft

4. ICE JAMS

Type:       Freeze Up     Breakup

Jam initiation point (check as many as apply)

  Solid Ice Sheet             Constriction in River Channel

  Island                            Bridge

  Bend                             Other (please specify)

Location of ice jam toe (downstream end)

Estimate of jam length: miles

Backwater behind jam: YES NO

If yes, river level is: RISING STEADY FALLING

River out of banks: YES NO

Estimated height of shear walls after jam release ft

REFERENCE SITE FOR ICE JAMS

http://www.crrel.usace.army.mil/ierd/tectran/IEnews15.pdf