White Christmas Forecast: Snow Chances Melt Away for Most of the US

Western US Storm System

• ⛈️ An atmospheric river is currently impacting the western United States, targeting central and northern California with heavy precipitation.
• ⚠️ Flood alerts are in effect across much of California, with a high risk of flash flooding in areas like the Tahoe National Forest.
• 🌨️ Significant snowfall is expected in the Sierra Nevada mountains, with potential for multiple feet of snow.
• 🌧️ Northern California could see 4-8 inches of rain, while Southern California might receive 5-10 inches, with some areas potentially exceeding a foot of rain.

Christmas Day Weather Across the US

• ☀️ Record warm temperatures are forecast for the Southwest and will extend into the central United States, particularly over the plains.
• 📈 Many cities are expected to experience their warmest Christmas on record.
• 📉 This widespread warmth significantly reduces the chances of a white Christmas for most of the country.

Limited Snowfall Areas

• ❄️ The primary chances for snow on Christmas Day are limited to areas along the Canadian border and the interior Northeast.
• 🌨️ A clipper system on Tuesday might bring light snow to these regions, contributing to a white Christmas there.
• 🏔️ The Sierra and Cascade Mountains are also guaranteed to see snow due to the ongoing atmospheric river system.

December Weather Roll Reversal

• 📊 The US started December with some of the highest snow coverage on record.
• 📉 This has shifted dramatically, potentially leading to one of the least snowy Christmases on record for much of the nation.
• 🌡️ The overall pattern is described as a more of a "heat miser" type Christmas setup.