Number of records found: 32
| RIVER | LOCATION | BREAKUP DATE | BREAKUP YEAR | DATE ICE MOVED | FIRST BOAT | UNSAFE FOR MAN | UNSAFE FOR VEHICLE | TYPE OF VEHICLE | DATE OF LAST ICE | REMARKS |
|---|---|---|---|---|---|---|---|---|---|---|
| Kobuk River | Ambler | 05-23 | 1972 | 05-23 | 05-26 | 05-18 | 05-10 | Snowgo | 05-29 | |
| Kobuk River | Ambler | 1973 | 05-23 | 05-28 | 05-20 | 05-18 | Snow-go | 05-28 | ||
| Kobuk River | Ambler | 1974 | 05-21 | 05-24 | 05-11 | 05-08 | Sno-go | 05-26 | ||
| Kobuk River | Ambler | 1975 | 05-21 | 05-24 | 05-14 | 05-13 | Dogteam, snogo | 06-01 | ||
| Kobuk River | Ambler | 1977 | 05-18 | 06-02 | 05-15 | 05-13 | Dog Sled and snogo | 05-29 | ||
| Kobuk River | Ambler | 1978 | 05-08 | 05-12 | 05-06 | 05-02 | Sno-go | 05-13 | ||
| Kobuk River | Ambler | 05-09 | 1979 | 05-09 | 05-15 | 05-02 | 05-01 | Sno-go | 05-16 | |
| Kobuk River | Ambler | 05-13 | 1980 | 05-13 | 05-20 | 05-10 | 05-10 | Sno-go | 05-23 | |
| Kobuk River | Ambler | 05-12 | 1983 | |||||||
| Kobuk River | Ambler | 05-26 | 1985 | 05-26 | 05-29 | 05-20 | 05-19 | Sno-go | ||
| Kobuk River | Ambler | 05-16 | 1986 | 05-16 | 05-28 | 05-16 | 06-16 | Sno go | ||
| Kobuk River | Ambler | 05-19 | 1987 | 05-15 | 05-21 | 05-15 | 05-15 | Snowmachine or ATV | ||
| Kobuk River | Ambler | 05-10 | 1988 | 05-07 | 05-10 | 05-07 | 05-05 | Sno machine | ||
| Kobuk River | Ambler | 05-24 | 1989 | |||||||
| Kobuk River | Ambler | 06-02 | 1992 | |||||||
| Kobuk River | Ambler | 05-19 | 1993 | 05-17 | 05-18 | 05-16 | 05-03 | Sno-go | ||
| Kobuk River | Ambler | 05-18 | 1994 | 05-16 | 05-19 | 05-10 | 05-08 | Sno-go | 05-23 | |
| Kobuk River | Ambler | 05-08 | 1995 | |||||||
| Kobuk River | Ambler | 05-13 | 1996 | |||||||
| Kobuk River | Ambler | 05-10 | 1997 | 05-06 | 05-15 | 05-15 | pretty quiet breakup; ice just flowed down Kobuk | |||
| Kobuk River | Ambler | 05-18 | 1998 | 05-18 | 05-19 | 04-16 | 04-16 | any | 05-22 | |
| Kobuk River | Ambler | 05-21 | 1999 | 05-21 | 05-22 | 05-18 | 05-16 | snowmachine | 05-24 | very easy breakup, just slid away down river |
| Kobuk River | Ambler | 06-01 | 2000 | 05-31 | 06-03 | 05-17 | 05-14 | 4-wheeler | 06-08 | river opened along townside edge on may 25, ice mo |
| Kobuk River | Ambler | 06-01 | 2001 | 05-29 | 06-09 | 05-29 | 05-28 | snowmachine | 06-12 | Pretty quiet breakup on my portion of river |
| Kobuk River | Ambler | 05-14 | 2002 | 05-12 | 05-21 | 04-01 | any | 05-23 | ice was unsafe for any vehicle in april, no date, | |
| Kobuk River | Ambler | 05-18 | 2003 | 05-10 | 05-20 | 05-06 | 04-25 | Snowmachine | 05-24 | |
| Kobuk River | Ambler | 05-17 | 2004 | |||||||
| Kobuk River | Ambler | 05-12 | 2005 | |||||||
| Kobuk River | Ambler | 05-22 | 2006 | |||||||
| Kobuk River | Ambler | 05-19 | 2007 | |||||||
| Kobuk River | Ambler | 05-11 | 2008 | 05-11 | 05-15 | 05-09 | 05-09 | Snowmachine and 4-wheeler | 05-17 | Unusual breakup, very early |
| Kobuk River | Ambler | 05-16 | 2009 |