U.S.: Arctic air across most of country
KEY POINTS
- Keep pets indoors
- Avoid outside activities if possible
- Have a cold survival kit if you must travel
On Monday evening, an area of cold high pressure over the Plains and a front with multiple waves of low pressure extending from the Central Gulf Coast to the Mid-Atlantic will move off the East Coast as low pressure moves northeastward along the Northeast Coast from Tuesday into Tuesday evening.
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The storm will have a wintry mix that continues Monday evening across the South.
Areas of sleet and freezing rain will continue to impact areas from the Lower Mississippi Valley to the Southern Appalachians Monday evening.
The storm will have a wintry mix that continues Monday evening across the South
The snow will reach southern New York and New England Monday evening before shifting farther north overnight Monday into Tuesday as an area of low pressure develops and moves north along the coast.
Areas of snow will continue from eastern Tennessee to the Mid-Atlantic overnight Monday.
Furthermore, the storm will require a plan for hazardous travel.
These wind chills could cause frostbite on exposed skin in a few minutes and hypothermia shortly thereafter
Travel could become very difficult, especially in areas impacted by heavy snow or significant ice.
Moreover, dangerously cold wind chills continue, with sub-zero wind chills continuing to affect much of the Rockies, Great Plains, and Midwest into Tuesday, with wind chills below negative 30 degrees below zero continuing to extend over Central Plains and Middle Mississippi Valley.
These wind chills could cause frostbite on exposed skin in a few minutes and hypothermia shortly thereafter.
Avoid outside activities if possible.
If you must be outside, wear appropriate clothing, dress in layers, and cover exposed skin.
Keep pets indoors.
Have a cold survival kit if you must travel.
Further, a reinforcing cold air will move in later this week.
Temperatures are expected to moderate midweek.
However, a new surge of colder air will drop south over the Northern Plains and Midwest, reaching the Deep South by the end of the week.
Meanwhile, a storm will move onshore over the Pacific Northwest from Tuesday into Wednesday.
The system will produce rain over parts of the Pacific Northwest into Northern/Central California, with snow over higher elevations.
Heavy snow will develop over the Northern Cascades and heavy rain/freezing rain over the Columbia River Basin from Tuesday evening into Wednesday evening.
The combination of snow and ice may cause hazardous road conditions through this region. ■