RIVER ICE OBSERVATIONS - HEALY, AK
Freeze-up 2009-2010

Below is a summary of the freeze-up observations made by the Tri-Valley School students. To see the relevant datasheet, click on the date. To see a larger version of the images triplets (across, downstream and upstream), click on the first image in the series.

26 October 2009:

30 October 2009:

2 November 2009:

4 November 2009:

6 November 2009:

9 November 2009:

11 November 2009:

13 November 2009:

18 November 2009:

20 November 2009:

23 November 2009:

25 November 2009:

30 November 2009:

4 December 2009:

7 December 2009:

9 December 2009:

14 December 2009:

19 December 2009:

21 December 2009:

27 December 2009:

30 December 2009:

1 January 2010:

6 January 2010:

8 January 2010:

15 January 2010:

18 January 2010:

22 January 2010:

25 January 2010:

View the spring 2010 break-up data on the Nenana River at Healy.