Weather Underground Forecast for Tuesday,December 30,2014
Lake effect snow will be possible across the Great Lakes and the Northeast on Wednesday, while a rare snow event is expected across the Southwest.
A dominant high pressure system will sink south southeastward over the Intermountain West and the northern Plains. Bitter cold arctic air will continue to impact the northern tier of the country, stretching from the Pacific Northwest to the upper Midwest. Wind chill warnings have already been issued across Washington, Oregon, Idaho and Wyoming, while wind chill advisories are in place across the Plains and the upper Midwest. Below normal temperatures will also spread across the Great Basin and the Southwest, bringing a chance of late evening snow showers to the high deserts of Nevada, southern California and northwest Arizona. Upslope flow will aid in producing moderate to heavy snow showers across the Sierra Nevada, the Wasatch and the Rockies. In addition, light rain will be possible over the southern Plains and the lowest elevations of southern California.
Meanwhile, cold air associated with the aforementioned high pressure system will move across the Great Lakes on Tuesday. The interaction between the cold arctic air and the relatively warm waters of the Great Lakes will trigger lake effect snow showers across portions of Michigan, northeast Ohio, northwest Pennsylvania and western New York. To the south, a mixture of rain and snow will affect the interior Mid-Atlantic, especially over the southern Appalachians. Light coastal showers will be possible over Virginia, North Carolina and South Carolina.
Lake effect snow will be possible across the Great Lakes and the Northeast on Wednesday, while a rare snow event is expected across the Southwest.
A dominant high pressure system will sink south southeastward over the Intermountain West and the northern Plains. Bitter cold arctic air will continue to impact the northern tier of the country, stretching from the Pacific Northwest to the upper Midwest. Wind chill warnings have already been issued across Washington, Oregon, Idaho and Wyoming, while wind chill advisories are in place across the Plains and the upper Midwest. Below normal temperatures will also spread across the Great Basin and the Southwest, bringing a chance of late evening snow showers to the high deserts of Nevada, southern California and northwest Arizona. Upslope flow will aid in producing moderate to heavy snow showers across the Sierra Nevada, the Wasatch and the Rockies. In addition, light rain will be possible over the southern Plains and the lowest elevations of southern California.
Meanwhile, cold air associated with the aforementioned high pressure system will move across the Great Lakes on Tuesday. The interaction between the cold arctic air and the relatively warm waters of the Great Lakes will trigger lake effect snow showers across portions of Michigan, northeast Ohio, northwest Pennsylvania and western New York. To the south, a mixture of rain and snow will affect the interior Mid-Atlantic, especially over the southern Appalachians. Light coastal showers will be possible over Virginia, North Carolina and South Carolina.
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