Daily images of snow data and seasonal analyses
Our scientific data analysis articles are published during the winter and spring months of the snow season. Select an article below to learn more about how snow conditions changed across time.
May 10, 2023
Snow-covered area for the western United States hit another record for April, the second month in a row since the satellite record began in 2001. With longer days, more sun, and increasing temperatures in the coming months, concerns arise for how quickly the snowpack may melt in California with potential for flood risks.
April 12, 2023
Extensive snow cover in the western United States continued in March 2023, surpassing the 2019 record high by 11 percent and doubling last year's average and the 23-year-satellite record average for snow-covered area for March.
March 08, 2023
Continuing the trend of recent months, the western United States received significant snowfall in February 2023, helping to improve drought conditions in the West. Despite dominance of a La Niña conditions, current snowpack patterns resemble those characteristic of El Niño years.
February 08, 2023
A series of atmospheric rivers significantly increased snow-covered area and snow water equivalent in the California Sierra Nevada, and to a lesser extent the delivery of snow inland to Nevada, Utah, and Colorado. Snow-covered area for the western United States was 125 percent of average for January with above average snow cover in most regions.
June 08, 2022
Snow-covered area for the western United States was 119 percent of average for May with above average snow cover in the North outbalancing below average snow cover in the South. Snow cover days remained well below average...
May 11, 2022
Snow-covered area for the western United States was 104 percent of average for April, with more snow-covered area in the North than in the South. But snow cover days indicate a relatively dry year since October 1, 2021.