Tuesday, February 1, 2011

STORM FOR 2,100 MILES



Colossal storm's attack begins in Midwest


Big storm on the move midweek
M. Ressler, Lead Meteorologist, The Weather Channel
Feb. 1, 2011 2:11 pm ET
Northeast | View Regional Video
The big storm moves through the Northeast midweek.
South of the Mason-Dixon Line, rain will end by midday. In the mountains of West Virginia and Virginia, a little snow will then accompany the arrival of the colder air.
Farther north across southern Pennsylvania and interior south Jersey, overnight freezing rain will changeover to rain during the morning and end by early afternoon.
Across central Pennsylvania and northern New Jersey, freezing rain may continue right until the precipitation ends in the afternoon, causing thicker icing and more problems for trees and power lines.
Across New York City, Long Island, coastal southern New England, Cape Cod and the islands, any freezing rain will change to rain during the morning and the rain will end by evening.
Across northern Pennsylvania, interior southeast New York, interior Connecticut, interior Rhode Island and interior southern Massachusetts, snow and sleet will change over to freezing rain for a good part of the day and then change back to snow before ending Wednesday night. Significant icing could cause down tree limbs and power lines across this area as well.
Across Upstate New York and the rest of New England (except northern Maine), heavy snow could produce additional foot or more accumulations. Gusty winds will cause drifting. From the I-90 corridor southward, some sleet and freezing rain may mix in with the snow at times.
Highs Wednesday will range from the teens in northern New England to the 50s and 60s in Virginia.
By Thursday, the Northeast will be quiet with some lingering snow showers toward the Canadian border.
Saturday, a coastal storm could bring another moderate snowstorm to the region, possibly changing to rain closer to the coast.
The historic storm finishes up across the Midwest Wednesday as it rapidly exits eastward.
The heavy snow and blizzard conditions will diminish and then end from west to east across the southern Great Lakes. Snow totals will top 2 feet.
Meanwhile, the northern Ohio Valley ice storm will be over, ending as snow.
Strong winds behind the storm will continue to gust over 40 mph.
The dig out from the blizzard and clean up from icy fallen trees and power lines will take time.
Highs will range from the single digits and teens in the Plains and Mississippi Valley to the 30s in the eastern Ohio Valley.
Thursday will be quiet region wide but light snow will return to the Upper Midwest and Great Lakes Friday and Saturday as clipper storms again head east along the U.S.-Canadian border.
A new storm Sunday into Tuesday could bring more snow and ice to the region, followed by a brutally cold, windy arctic blast.
The cold front plus any lingering showers and thunderstorms will rapidly move off the Southeast Coast Wednesday morning and shift southward down the Florida Peninsula during the day.
A few severe thunderstorms with damaging wind gusts could hit the eastern Carolinas before moving offshore early in the day. Also, the Florida Peninsula could see a few strong thunderstorms.
As the cold air races eastward much of the South will be windy.
Some light snow will fall over western Texas, thanks to an upper-level storm back over the Four Corners.
Ahead of the cold front, the Southeast will be warm with highs ranging from the 60s and low 70s in the eastern Carolinas to the low 80s in southern Florida. In the colder air over the remainder of the South, highs will range from the teens in Oklahoma and north Texas to the 30s and 40s in north Georgia.
Later Thursday and Friday, a developing storm will move from the Gulf to off the Southeast Coast, bringing an expanding area of rain to the Southeast. The fringes of the storm from eastern Texas to the southern Appalachians could see a little snow, sleet and freezing rain but no significant accumulations are expected at this time.
An upper-level storm targets the Southwest with snow and wind.
The snow will center on New Mexico, but spill over into adjacent areas of Colorado, Utah and Arizona. New Mexico will add 1 to 5 inches of snow to its totals with more in the higher mountains.
West of the upper-level storm, strong north-to-northeast winds will sweep across the Desert Southwest and Southern California. Through the canyons, passes and mountains around Los Angeles and San Diego, gusts could reach 65 to 75 mph at times.
The West Coast will be mild with highs near 50 to the west of the Cascades and in the 50s and 60s across the lower elevations of California. The interior West will be cold with highs in the teens and single digits across most of Wyoming, Colorado and New Mexico.
Showery rain and mountain snow will reappear in western Washington Thursday with light snow spreading across the interior Northwest this weekend.
By Sunday, the next arctic cold plunge will begin to move southward over the Rockies and high Plains.