What are 'Snow Eaters'?
Scientists have defined a new category of heat wave: the 'snow eaters'. These events are characterized by abnormally high temperatures in the spring and early summer, which cause the rapid melting of snow. Matthew LaPlante, a climate scientist at Utah State University, explains that these events can be seen firsthand, without the need for a laboratory. Just look out the window of his home, located in the mountains above Salt Lake City, to see the snow melting rapidly after a warm night.
Why it matters
The 'snow eaters' have significant implications for water resource management and public safety. The rapid melting of snow can cause flooding and make it difficult to manage water resources. Additionally, these events can increase the risk of wildfires, landslides, and other natural disasters. Recent research published in the journal Science Advances found that 'snow eaters' occur when temperatures remain above freezing during the day and night, for several days, usually three to five.
The mechanism behind 'Snow Eaters'
Solar radiation is one of the main factors that contribute to the melting of snow. When solar radiation interacts with heat waves, the impacts are amplified. Snow crystals lose their structure and ability to reflect light, which causes the snow to absorb more solar radiation and melt more quickly. This effect is known as the 'snowball effect'. Additionally, air temperature is an important factor, as above-normal temperatures can accelerate the melting of snow.
Bigger picture
'Snow eaters' are not a new phenomenon, but they are becoming more frequent and intense due to climate change. Research has found that the area affected by these events has increased by about 40,000 square miles per century, and the first 'snow eater' of the season is arriving about a month earlier per century. Additionally, 'snow eaters' can have significant implications for public safety, as they can increase the risk of natural disasters and affect the local economy.
What happens next
Scientists are working to better predict 'snow eaters' and understand their implications. This can help water resource managers plan better and reduce the risks associated with these events. Additionally, awareness of 'snow eaters' can help promote adaptation to climate change and reduce the negative impacts of these events. However, there is still much to be learned about 'snow eaters', and more research is needed to fully understand this phenomenon.
Consequences for North America
'Snow eaters' have significant implications for North America, especially for mountainous regions. The rapid melting of snow can cause flooding, landslides, and other natural disasters. Additionally, 'snow eaters' can affect the local economy, especially the tourism industry, which depends on snow for winter sports. Awareness of 'snow eaters' and adaptation to climate change are essential to reducing the negative impacts of these events.
Source / Reference
This article was originally published by Grist with the title 'Scientists define a new category of heat wave: ‘Snow eaters’' on August 12, 2026.