Upside-down "rivers" of warm ocean water may be one of the causes of Antarctica's ice shelves breaking up, leading to a rise in sea levels. A new study suggests that, in the past, increases in Antarctic sea ice in colder climates may have contributed to ice ages.
This October was the coldest on record for Missoula, Butte, Dillon and Bozeman. The average temp was 38. 2 degrees in 2019. The previous record was 39. 7 degrees in 2009. Coldest Oct. on record for Missoula, Butte, Dillon, Bozeman. Photo: NBC Montana.