Sundays SEVERE WEATHER OUTLOOK has no organized strong or severe thunderstorms expected anywhere across the Nation through this evening. However, some isolated thunderstorms could occur across portions of the Mid South and Tennessee River Valley regions for this afternoon and early evening.... Sundays NATIONAL WEATHER FORECAST OUTLOOK SUMMARY BY: NSWN Weather Forecaster, Dave Saurer Good Sunday morning to everyone. Weather headlines making the stories on this Sunday. The Clipper System is continuing to impact the Midwest into the Ohio Valley will now focus on the Central Appalachians into the Mid-Atlantic before becoming a rapidly strengthening NorEaster that will bring some Blizzard Conditions across the Northeast along the I-95 corridor from Philadelphia to Boston and points East. We are also watching a very mild trend continuing across the Central portions of our nation as a Touch of Spring continues. Finally, wet weather is now entrenching the forecast for the Desert Southwest. We are looking at an amplified weather pattern in place across the Nation and has been this way for most of the past week or so. As i have mentioned in previous weather summaries, we have a broad, upper level trough over the Eastern half of the Nation. Meanwhile, this rex block is continuing to amplify and affecting the Western portions of our Nation indicating the upper level ridge pattern bounded by a closed off upper level low pressure that is now affecting the Southwest and portions of the Western Gulf of Mexico. The main focus of our Nations weather turns into the Central and Eastern portions of the Nation. The upper level trough in place stretching across the Plains through the Eastern Seaboard, we are noticing all week long, series of disturbances riding the trough through the Ohio/Tennessee Valley, Great Lakes, and now into the Mid-Atlantic and Northeast. We are seeing the first series spreading wintry precipitation to portions of the Northeast is now finally departing into the Canadian Maritimes. Snow has finally ended across portions of New England, we are noticing, however, some gusty winds in place with the given strength of this departing surface cyclone. Now, the weather pattern has a lull in place, however, quite brief, as all eyes focus on the income advancing disturbance that is rather strong for an Alberta Clipper moving through the Mid-Mississippi Valley as we speak. This system has a ton of moisture associated with it. We are expecting to see a broad range of accumulating snow in the range of two to six inches through the Ohio Valley. This system is expected to amplify across the Lower Tennessee River Valley for Sunday evening, as a coastal Low pressure is forecast to develop and will definitely cause a massive increase flow of moisture from both the Gulf of Mexico and the Atlantic to feed. We are anticipating a major snowstorm with blizzard like potentials riding along the coastal areas and Interstate 95 corridor from Philadelphia to Boston. The current projection forecast models are indicating accumulating snowfall of 4 to 8 inches forecast for portions of Maryland Panhandle into Southern Pennsylvania and possibly into East Central Ohio and Western Pennsylvania including Pittsburgh, Wheeling, Morgantown region. A large, widespread swath of 6 to as much a foot will be likely from Southern New Jersey into Eastern Massachusetts. Many locations will be seeing well over a foot along the Interstate 95 corridor and points to the East. All amounts through Tuesday morning with snow will continue across the Upper Mid-Atlantic into New England. I am confident to say portions of Long Island into Connecticut, Rhode Island, and most of Eastern Massachusetts including Boston Metro could see a good swath of 18 to as much as 24 inches of snowfall depending where the broadest persistent bands of snowfall sets up. In addition to the heavy snowfall, we are noticing with the amplified low pressure comes a very tight pressure gradient which will lead to some very gusty winds. BLIZZARD WATCH are in place along the coast from Long Island to Eastern Massachusetts including New York and Boston Metro. Some winds could exceed a good 40-60 mph in gust. Blizzard conditions will be warranted beginning Monday morning and lasting into Tuesday. It is essential to follow the National Weather Service for all the latest updates, forecast summaries, and possible upgrades to the weather alerts. Turning to the Central portion of our Nation, we are continuing to see well above normal temperatures in place from the Northern Rockies into the Plains. We are continuing to see presistent in the downslope flow off the leeward side of the Eastern Rockies that is allowing surface temperatures to warm as much as 30 to 35 degrees above the average highs. Some areas in the Central Plains could very well reach 70 or better through Monday afternoon. Enjoy this pattern while it last. Finally, we are noticing a secondary Alberta Clipper like disturbance moving across the Upper Great Lakes, spreading mainly light snowfall across the region for your Monday. Anywhere from 1 to 3 inches is expected. The Southwest portion of our Nation is experiencing a closed off low pressure from the East Central Pacific will move Northward into the Desert Southwest with a strong vertical lift in place will bring some beneficial rainfall across Arizona, Southern California, possibly into Southwestern New Mexico with rainfall amounts forecast between a quarter to a half of an inch. There is a possibility of localized amounts up to an inch possible. It is essential to be in tune with the National Weather Service for the latest forecast and possible advisories.
Posted on: Sun, 25 Jan 2015 14:23:13 +0000
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