Ex-typhoon Halong hit the AK west coast early Sunday morning. Severe impacts have been reported from the Kuskokwim River delta region, with major damage in the communities of Kipnuk, Kwigillingok, and Napakiak. Social media footage shared by residents shows homes floating away in inundated residential areas. The Troopers indicated in a statement that 51 people […]

This year’s glacial lake outburst flood originating from the glacier damned lake in Suicide Basin occurred on August 13. The water level of the Mendenhall River at Auke Bay reached 16.65 feet, a new record that tops even the previous records set in 2023 and 2024. The water level of the crest was predicted almost

Suicide Basin has begun draining and the annual glacial lake outburst flood (GLOF) has started.  The water level in the lake (see graph on the right) is dropping while the river level downstream is rising.  Residents of the 17ft lake level inundation zone are being advised to evacuate. See the Juneau Borough evacuation notice and Juneauflood.com for maps

Break up is underway on the Tanana River at Nenana. The tripod of the Nenana Ice Classic fell over on April 27 at 3:56 PM AK Standard Time. This was preceded by much anticipation in the previous few days as ice conditions visibly deteriorated. Since 1917, Alaskans have places betts on the exact date and

Arctic sea ice has likely reached its seasonal maximum. On March 22, sea ice extent reached 14.33 million square kilometers (5.53 square miles). The ice extent has been trending downwards since, suggesting that we are now in the sea ice melt season (see the corresponding update on the NSIDC “sea ice today” page).  The 2025 seasonal

See our full annual report for a more in depth summary of temperature, precipitation, and notable weather events in 2024. At the global scale, 2024 was the warmest year on record in the ERA5 reanalysis as per the Copernicus Climate Change Service, breaking the previous record from 2023. Like in 2023, mean temperatures in  2024

The 2024 fire season is underway with numerous active fires in the Interior and western Alaska. Smoke has been affecting air quality in the Fairbanks area in recent weeks and some fires are visible from the UAF Campus. Our panorama camera captured the formation of a flammagenitus cloud, also known as a pyrocumulus, in the

The tripod on the Tanana river at Nenana fell over on April 27, 2024, at 05:18 am, triggering the clock that ends this year’s Nenana Ice Classic. The long standing tradition of betting on the day and time of the river break up at Nenana has produced a long and unique climatological time series of river