National Weather Summary for Wednesday, February 7, 2018
by David Moran, on Feb 7, 2018 10:58:36 AM
Wintry precipitation will continue for portions of the Ohio Valley into the Northeast through Thursday morning as an area of low pressure moves eastward. Snow will continue through Wednesday morning across portions of the Great Lakes in association with an upper level trough. A strong cold front will bring rain and snow to portions of the Northern Rockies Wednesday night through Friday. Elevated winds and seas will continue for portions of the Gulf of Mexico through Thursday evening as a cold front moves eastward.
- Wintry Precipitation from the Ohio Valley through the Northeast Wednesday and Early Thursday
- Snow Continuing Wednesday for Portions of the Great Lakes
- Snow for the Northern Rockies Wednesday Evening through Friday
- Elevated Winds and Seas through Thursday Morning for the Gulf of Mexico
Wintry Precipitation from the Ohio Valley into the Great Lakes through the Northeast Wednesday and Early Thursday
A mixture of wintry precipitation will continue for portions of the Ohio River Valley as an area of low pressure moves eastward. Across portions of Ohio, 2-4 inches of snow with locally higher amounts in excess of 5 inches are expected. For southern portions of Ohio, northern Kentucky, and northern West Virginia, snow amounts of 1-2 inches and sleet accumulations of less than 0.50 inch are forecast. In addition, freezing rain accumulations of 0.15-0.25 inch with locally higher amounts in excess of 0.4 inch are expected. From eastern Ohio into Western Pennsylvania, snow amounts will range 2-5 inches with locally higher amounts in excess of 6 inches. Ice accumulations will range 0.05-0.15 inch. Across the Virginias, sleet accumulations will be less than half an inch with ice accumulations ranging 0.15-0.2 inch and locally higher amounts in excess of 0.3 inch. From central Virginia into Maryland, up to an inch of snow and 0.1 inch of ice is expected. Portions of southern Pennsylvania and New Jersey may pick up 1-2 inches of snow and up to a tenth of an inch of ice are forecast.
Across central portions of New York and Pennsylvania, snowfall accumulations of 5-9 inches with locally higher amounts in excess of 10 inches and a trace of ice are forecast. Eastern portions of New York through eastern Massachusetts will get snowfall totals will range 3-5 inches with locally higher amounts in excess of 6 inches. In addition, an inch of sleet and around a tenth of an inch is expected in this area. Snowfall amounts will range 6-8 inches with locally higher amounts in excess of 10 inches are expected from southeastern New York into central Massachusetts. Freezing rain accumulations up to a tenth of an inch and sleet accumulations up to an inch are also forecast. From north central New York into New Hampshire, 6-9 inches of snow with locally higher amounts in excess of 11 inches are forecast for the lower elevations. In the upper elevations, 8-12 inches with locally higher amounts in excess of 14 inches are expected. Across portions of Maine, snow accumulations will range 7-10 inches with locally higher amounts in excess of 12 inches.
Major Cities in Region: Columbus, OH, Pittsburgh, PA, Syracuse, NY, Philadelphia, PA, New York, NY, Boston, MA, Portland, ME, Augusta, ME, Bangor, ME
Snow Continuing Wednesday for Portions of the Great Lakes
Snow will continue for portions of Indiana, Michigan, and Ohio through the morning hours on Wednesday. Snowfall totals of 2-4 inches are expected.
Major Cities in Region: Grand Rapids, MI, Detroit, MI
Snow for the Northern Rockies Wednesday Evening through Friday
A strong front will move through Montana bringing wintry conditions to the region late Wednesday through Friday evening. Precipitation will begin as rain before transitioning to snow. Snowfall amounts across western Montana will range 8-12 inches in the lower elevations and 12-24 inches in the higher elevations. Further east, snowfall accumulations will range 4-6 inches with locally higher amounts in excess of 8 inches. Across far eastern Montana, snow accumulations of 2-4 inches with locally higher amounts in excess of 5 inches are expected,
Major Cities in Region: Helena, MT, Great Falls, MT, Billings, MT, Glasgow, MT
Elevated Winds and Seas through Thursday Morning for the Gulf of Mexico
A cold front will move eastward across the Gulf of Mexico through Thursday, allowing for elevated winds and seas. Across western areas, winds ahead of the front will be south-southwesterly at 15-20 knots. Behind the front, winds will be north-northeasterly at 25-30 knots with gusts in excess of 40 knots. Seas will build to 7-9 feet. Across eastern areas, winds will be westerly to northwesterly at 5-15 knots ahead of the front. Behind the front, winds will be north-northeasterly at 20-30 knots with gusts in excess of 40 knots. Seas will range 5-7 feet.
A Look Ahead
An area of low pressure that will develop in the Southern Plains on Saturday will intensify and move to the northeast on Sunday, with a cold front developing to its south. Precipitation will develop along and ahead of the front. Behind the front, snow and freezing rain are expected. At this time, exact amounts and timing are not available due to forecast uncertainty. However, interests from Oklahoma northeastward into New England need to remain aware of this developing system and the potential for accumulating ice and snow in the region.
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