One major storm is bringing heavy snowfall to parts of the Rocky Mountains and central Plains and another is about to slam into the west coast of the US. Heavy snow from the first storm continues across the Rockies and has stretched into the central Plains and it’ll make a push into the Upper Midwest on Wednesday. This same system will then head eastward and drag a strong cold front across the Mid-Atlantic/NE US tomorrow evening and the winds will become quite strong with gusts past 40 mph. The second major storm will rapidly intensify before making landfall later tonight near the California/Oregon border and it will bring heavy rain and damaging winds to coastal sections and tremendous snows to inland higher elevation locations of the Sierra Nevada mountain range where the snow will be measured in feet over the next few days. This second storm will cross the nation and arrive in the Mid-Atlantic/NE US this weekend where there will be a lot of cold air and accumulating ice and snow could be the result in interior sections.
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Two big storms will impact much of the nation this week in a week that features the busiest travel day of the year and, of course, the Thanksgiving Day holiday. The first system will bring about another “Denver-to-Minneapolis” snowstorm over the next couple of days – similar to a storm back in October. This system will then drag a cold front across the Mid-Atlantic/NE US later Wednesday and the winds will become quite strong – too strong for any balloons to be used in the Thursday parade in New York City. The second storm of note will become a powerhouse system in the hours before it makes landfall later tomorrow night near the Oregon/California border region. In fact, this Pacific Storm will intensify dramatically in the 24 hours preceding landfall – perhaps to what meteorologists call “bombogenesis” levels which requires a drop of 24 millibars in a 24-hour period. This second storm will bring damaging winds and heavy rain to coastal sections of Oregon/California and tremendous snows to inland higher elevation locations such as the Sierra Nevada Mountains. The second storm will trek all the way across the nation and likely result in ice and snow for the Mid-Atlantic/NE US during the upcoming weekend.
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Hurricane Dorian has regained some strength in the overnight hours and has been re-classified as a “major” category 3 storm with maximum sustained winds at 115 mph. It is moving slowly to the NNE at 8 mph and is currently just off the coast of South Carolina. There will be a major impact over the next 24 hours by Hurricane Dorian in the coastal Carolinas in places like Charleston, South Carolina and Wilmington and the Outer Banks in North Carolina. By mid-day Friday, Hurricane Dorian will be near the Outer Banks of North Carolina and it will become increasingly influenced by an advancing upper-level trough over the Great Lakes. As a result, Hurricane Dorian will accelerate to the northeast on Friday and pass well to the east of the Mid-Atlantic, but some impacts are likely that will in many ways resemble a “nor’easter” with the greatest impacts along coastal sections. Looking ahead, by no means does it look like the Atlantic Basin tropical season will slow down with the departure of Hurricane Dorian as numerous tropical waves are lining up over the continent of Africa.
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Hurricane Dorian remains a category 2 storm at midday and it has picked up a bit of forward speed now moving NNW at 9 mph with 105 mph maximum sustained winds and a central pressure of 964 millibars. Gusty squalls are rotating around Hurricane Dorian and impacting much of the coastal region in northeastern Florida as well as coastal sections of Georgia, South and North Carolina. Hurricane Dorian is likely to at least maintain its category 2 strength as it moves closer to the Carolina coastline and it very well could undergo some intensification as it heads over warmer waters of the Gulf Stream and leaves “upwelling-induced” cooler water behind. By early Friday, Hurricane Dorian will move to a position over the Outer Banks (NC) and will become increasingly influenced by an advancing trough of low pressure in the upper atmosphere. This upper-level feature will cause it to accelerate to the northeast passing well to the east of the Mid-Atlantic region on Friday, but important impacts are still on the table for coastal sections.
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Hurricane Dorian is now about 90 miles east of Daytona Beach, moving to the NNW at 8 mph with max sustained winds at 105 mph (category 2). It will parallel the coastline through the morning hours and then begin a turn to the north and develop a higher forward speed later today and tonight on its way towards the coastlines of Georgia and the Carolinas. The threat for additional beach erosion is high; especially, to the north of Cape Canaveral and tropical storm force winds are likely in squalls and perhaps even hurricane force winds in Volusia County. The threat for damage to trees and power lines is still high today and torrential downpours can cause ponding in poor drainage areas. By later tomorrow, Hurricane Dorian will head right over the Outer Banks of North Carolina and will begin to be influenced by an upper-level trough of low pressure pushing southeast across the Great Lakes. As a result, Hurricane Dorian will begin to accelerate to the northeast and should slide well east of the Mid-Atlantic region tomorrow night and Friday.
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Hurricane Dorian has finally resumed some movement today as the latest measurements have it moving to the northwest at 2 mph after being stationary for nearly 24 hours. From later today into Wednesday, Hurricane Dorian should turn north-northwest and run parallel to the east coast of Florida as it picks up some forward speed. It’ll then close in on the Carolina coastline by Thursday where it is not out of the question that it makes a landfall somewhere on its way to the Outer Banks (North Carolina). After that, Hurricane Dorian will likely pass well to the east of the Mid-Atlantic coastline from Thursday night into Friday with its greatest impact limited to coastal sections.
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Hurricane Dorian continues to remain nearly stationary this morning just north of Grand Bahama Island and should resume a slow northwestward movement later this morning. From later today into Wednesday, Hurricane Dorian should turn north-northwest and run parallel to the east coast of Florida as it picks up some forward speed. As Hurricane Dorian makes its closest approach later today, residents can expect increasing winds and gusty squalls. In addition, beach erosion will increase in intensity and the threat for high storm surge will continue for at least another day or so. As Hurricane Dorian has been nearly stationary over the past day or so, upwelling has increased underneath its center and this has brought cooler waters to the sea surface. In turn, the cooler sea surface temperatures have resulted in a weakening of the hurricane from a category 5 system to category 3 now with max sustained winds at 120 mph.
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Major Hurricane Dorian is now a category 5 storm and continues to be a significant threat to Florida and the to rest of the US east coast. It is now moving westward at 8 mph with max sustained winds at 160 mph and is approaching the northwestern Bahamas. By tomorrow, powerful Dorian will be slowing down to a crawl as it crosses over the NW Bahamas and closes in on the east coast of Florida. Later tomorrow and Tuesday, as Dorian makes its closest approach to the east coast of Florida, the hurricane will begin a turn toward the northwest/north and likely begin to move parallel to the coastline. Since there is still some uncertainty with the track forecast and a slight shift will make a huge difference, the eastern part of Florida remains under the threat of direct impacts from Dorian; especially, near the coastline. Later in the week, Dorian is likely to take a ride up along the east coast impacting the coastal Carolinas and perhaps eventually impacting the Mid-Atlantic region and New England.
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Major Hurricane Dorian continues to move westward approaching the northwestern Bahamas and its forward speed has slowed to 8 mph. By Monday, powerful Dorian will be moving northwest toward the central Florida Atlantic waters. As Dorian slowly begins to make its closest approach to the east central Florida coast, the hurricane will make a turn toward the north-northwest and move parallel to the coastline. Since there is still some uncertainty with the track forecast, east central Florida remains under the threat of direct impacts from Dorian; especially, along the coast.
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A serious weather situation continues to unfold as Hurricane Dorian intensifies and continues on a path towards the Bahamas and Florida with possible landfall later Monday into Tuesday. Hurricane Dorian has reached category 2 status as of early Friday morning and could reach “major” hurricane status (i.e., category 3) later in the day. High pressure ridging in the upper part of the atmosphere is a key player in the intensification and movement of Hurricane Dorian and it should result in additional strengthening over the next couple of days – perhaps to category 4 status.
As Hurricane Dorian nears the northwestern Bahamas later this weekend, the upper-level ridge will tend to weaken and this is likely to result in a slowing down of the system. The weakening ridge may also allow for a turn to the northwest as Hurricane Dorian approaches Florida and then a turn to the north and northeast once near or just over land. This could very well result in a slow trek up along the eastern seaboard later next week; in other words, we may still be talking about Hurricane Dorian a week from now.
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