Snow drought research finds predictability in uncertainty

Periods of record low snow levels over the past decade have increased the urgency of snow research. As snow studies expand, usage of the term "snow drought" to describe seasons of abnormally low snowpack has become common. ...

Mapping extreme snowmelt and its potential dangers

Snowmelt—the surface runoff from melting snow—is an essential water resource for communities and ecosystems. But extreme snow melt, which occurs when snow melts too rapidly over a short amount of time, can be destructive ...

The secrets of the best rainbows on Earth

Rainbows are some of the most spectacular optical phenomena in the natural world and Hawai'i has an amazing abundance of them. In a new publication, an atmospheric scientist at the University of Hawai'i at Mānoa makes an ...

Earth just had its hottest September on record

Unprecedented heat around the world vaulted September 2020 to the hottest September since 1880, according to scientists at NOAA's National Centers for Environmental Information.

Experiment closes critical gap in weather forecasting

Scientists working on the next frontier of weather forecasting are hoping that weather conditions 3-to-4 weeks out will soon be as readily available as seven-day forecasts. Having this type of weather information—called ...

Data assimilation method offers improved hurricane forecasting

Operational models for severe weather forecasting predicted Hurricane Harvey would become a Category 1 hurricane in 2017, according to the University Corporation for Atmospheric Research. Instead, it became a massive Category ...

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