Warm water temperatures may be causing stress and increase the risk of infections and other illness in fish.
A swimming spot in northern Finland had unlikely visitors seeking solace from soaring temperatures.
During the summer of 2019, warm water temperatures lowered the amount of dissolved oxygen in rivers and caused salmon across the state, including Mountain Village, to die before they were able to spawn.
A total of 140 crashes and other accidents involving elk have been reported in the last week alone, police said, especially in the area around Pyhäjärvi lake near the town of Säkylä in the southwest of Finland.
Highs in Germany, Netherlands and Belgium exceeded for second time in 24 hours.
All-time records in Germany and Luxembourg could also fall in latest continent-wide heatwave
Temperatures pass 39C in Belgium and the Netherlands, as a Eurostar train breaks down in the heat.
Salmon are dying along the Andreafsky River and Lower Yukon River before spawning out. Water surface temperatures have been unusually warm, at one point reaching 70 degrees Fahrenheit.
The sweltering weather continues Saturday with several parts of Canada under heat warnings and Toronto, Ottawa and Windsor experiencing the hottest day of the year.
“The growth-cycle this year is unprecedented,” with carrots, peas and broccoli heads “as big as a platter,” farmers market vendors say.
Temperatures in July reached 100 degrees Fahrenheit, above the normal high temperature of 72.3 degrees.
Weather watchers are focused on the world's most northerly community, which is in the middle of a record-breaking heat wave.
As record high temperatures swept Alaska, many people said that the heat was killing them. For Kuskokwim salmon, it was actually true.
Norton Sound residents have reported salmon die-offs in unusually large numbers during the last week. According to the Norton Sound Economic Development Corporation (NSEDC), dead pre-spawned pink salmon were found in multiple river systems over the weekend.
In July, Norton Sound water surface temperatures reached 68.2 DEG F on 7/10 and 69.3 DEG F on 7/11, which is about 17 degrees above average. The water was warm enough to comfortably swim in.
People living in the Yukon-Kuskokwim Delta felt something unusual this past holiday weekend: a heat wave. Temperatures crept close to 90 degrees in many parts of the region.
A burying beetle was seen for the first time by an observer in Tuntutuliak.
Our operations and maintenance staff do their best to insure all mechanical systems are functioning properly. But several factors limited their ability to respond, including significant smoke from the Swan Lake wildfire.
Unusually high abundance of rusty tussock moth caterpillars in the Nome area.
Due to 'extreme fire danger,' all open fires have been banned across much of Yukon, effective immediately.
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