National Weather Summary for Tuesday, November 22, 2016
by David Moran, on Nov 22, 2016 11:06:08 AM
As an upper level storm moves over the Rockies, heavy snow will continue for portions of Colorado through Tuesday. Further to the east, an area of low pressure moving into portions of the Mississippi Valley will allow for snowfall across portions of the Northern Plains. Lake effect snow will be likely for portions of Western New York throughout the day. Across the Southern Plains, severe thunderstorms will be possible for ahead of a cold front.
Snow will continue across portions of the Rockies through early Tuesday afternoon as an area of low pressure continues to move eastward. Total snowfall accumulations of 8-12 inches, with isolated higher amounts in excess of 14 inches, will be possible.
Major Cities in Region: Durango, CO, Aspen, CO, Steamboat Springs, CO
As an area of low pressure moves out of the Great Plains and into the Mississippi Valley, periods of snow will begin this afternoon and continue through much of Wednesday. Total snowfall accumulations of 3-6 inches, with locally higher amounts in excess of 8 inches, will be common and may cause travel difficulties.
Major Cities in Region: Fargo, ND, Minneapolis, MN, Duluth, MN, Wausau, WI
Snow will continue across Region 3 as an area of low pressure moves out of the region. Snow will wind down this afternoon. Total snowfall accumulations of 6-9 inches, with isolated higher amounts in excess of 12 inches, will be possible. In addition to the snowfall, winds of 20-30 mph, with higher gusts in excess of 35 mph and low visibilities, will be possible.
Major Cities in Region: Syracuse, NY, Plattsburgh, VT
A cold front, associated with an area of low pressure moving out of the Great Plains, will provide a focus for thunderstorm development today. Favorable wind profiles and building instability will allow for the potential for the development of thunderstorms. Large hail, damaging winds, and a few tornadoes will be possible. The severe risk may persist into the late evening and overnight hours, but should transition to a primarily damaging wind threat as storms become more linear in nature.
Major Cities in Region: San Antonio, TX, Houston, TX, Dallas, TX, Tulsa, OK
Tropical Storm Otto is currently stationary, but a westward drift is expected to begin later today. Otto should be approaching the coasts of Nicaragua and Costa Rica on Thursday. Maximum sustained winds are near 70 mph winds with higher gusts. Otto is expected to become a hurricane later today or tonight with additional strengthening through Thursday.
Tropical Enhanced Infrared Satellite
A Look Ahead
An area of low pressure north of the Pacific Northwest will continue to promote areas of heavy precipitation. Given recent precipitation and already saturated grounds, flash flooding will be possible. Early next week, an area of low pressure will approach the Great Lakes, allowing for the potential for heavy snow from Minnesota to Wisconsin.
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