While the Atlantic Basin tropical scene remains active, an Arctic blast continues to bring record-breaking cold to portions of the western and central US as well as some unusual early season accumulating snow and ice. Meanwhile, Tropical Storm “Zeta” is now entering the Gulf of Mexico after a brief encounter with the Yucatan Peninsula region of Mexico and it is quite likely to return to hurricane status (category 1) later today and then make a landfall later tomorrow in southeastern Louisiana. The remnants of “Zeta” will combine with a strong upper-level low now over the Southwest US to generate a significant rain event in the Tennessee Valley, Mid-Atlantic region and Northeast US from Thursday into early Friday. On Friday, enough cold air will get wrapped into the powerful system to cause a changeover to snow to result in the first accumulating snows of the season for portions of the Northeast US. All of this will be followed by a cold Halloween on Saturday with temperatures some fifteen degrees below-normal in the Mid-Atlantic/Northeast US.
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Tropical Storm “Zeta” is headed for a landfall later tomorrow in the central Gulf coastal region of southeastern Louisiana likely as a category 1 hurricane. This system will then make a turn to the northeast after coming inland and head over the Southeast US and reach the Mid-Atlantic region by late Thursday. The tropical moisture from the remnants of “Zeta” will combine with vigorous upper-level support to result in a significant rain event for the Tennessee Valley, Mid-Atlantic region and southern New England from Thursday into early Friday. Later Friday, cold air will drop southeastward from the Great Lakes and get wrapped up into the storm system that will then be centered off the Mid-Atlantic coastline. This could actually result in a changeover to snow across portions of the Northeast US with accumulations on the table.
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While the Atlantic Basin tropical scene remains active, an Arctic blast has brought record-breaking cold to portions of the western and central US as well as some unusual early season accumulating snow. In fact, the accumulating snow will take place all the way down to New Mexico and Texas over the next 48 hours or so with some spots likely receiving a foot or more. Meanwhile, the remains of Tropical Storm “Zeta” are likely to produce significant rainfall across the Tennessee Valley, Mid-Atlantic and Northeast US from Thursday into Friday after making a mid-week landfall in the central Gulf coastal region. By later Friday, some of the cold air from this Arctic Blast will makes its way into the Northeast US and it could result in a changeover to snow in interior, higher elevation locations as moisture from the remnants of Tropical Storm “Zeta” passes through the region.
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The new work week starts off quite unsettled in the Mid-Atlantic region with light rain or drizzle as a cold front approaches from the west. High pressure will take better control of our weather on Tuesday and Wednesday, but then a major rain event is in the offing from Thursday into Friday as the remains of Tropical Storm “Zeta” head our way. “Zeta” is currently located in the northwest Caribbean and is likely to reach hurricane status over the next couple of days as it heads towards a likely mid-week landfall in the central Gulf coastal region. After that, “Zeta” will first head to the Tennessee Valley on Thursday and then to the Mid-Atlantic coastline by Thursday night bringing significant rainfall to the region.
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It has already been quite cold for this time of year across much of the interior Northwest and Northern Plains with significant accumulating snow in many areas in recent days and the worse may be yet to come. An Arctic blast will send temperatures plunging over the next few days all the way down to the southwestern US and southern Plains and accumulating snow can fall all the way down to states like Texas and New Mexico. In addition, numerous record low temperatures are likely to fall from the Northern Rockies to the southern Plains during this unusual late October cold wave. Meanwhile, in the tropics, Hurricane “Epsilon” will turn to the northeast and accelerate this weekend out over the open waters of the North Atlantic. Another tropical system will intensify over the northwest Caribbean Sea – likely reaching tropical storm status this weekend – and then it could head towards the central Gulf coastal region by the middle of next week.
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Mild weather will continue in the Mid-Atlantic region through tomorrow, but then it turns colder tomorrow night and it'll be noticeably cooler on Sunday compared to Saturday. A low pressure system will cross the Great Lakes on Saturday and drag a cold front through the region by early tomorrow night. A couple of other frontal systems will keep it unsettled around here early next week.
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Mild weather conditions will continue in the Mid-Atlantic region for the next couple of days with late night and morning patchy fog and drizzle in many spots. A low pressure system will cross the Great Lakes on Friday and drag a cold front through the region late Saturday. As a result, temperatures will drop by several degrees as we close out the weekend, but there should be some sunshine on both weekend days.
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Mild weather conditions will continue in the Mid-Atlantic region for the next few days with late night fog and drizzle possible in some spots. A couple of weak frontal systems will fall apart as they push across the Appalachians over the next couple of days. A stronger front should be able to knock off a few degrees for Friday and Saturday.
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Mild weather conditions will continue in the Mid-Atlantic region for the next few days with late night fog and drizzle possible in some spots. High pressure has pushed off the east coast and a weak frontal system will fall apart as it pushes towards the east coast. High pressure will re-establish itself over the region at mid-week and then another frontal system will approach the area late in the week and usher in cooler air for the beginning of the weekend.
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This is the time of the year in which summer is trying to hold on at the same time winter is trying to make a statement that cold and snow is on the way. Indeed, the next week to ten days will feature tropical activity in the Atlantic Basin – Tropical Storm “Epsilon” has now formed – at the same time cold air dominates the scene from the interior Northwest to the Upper Midwest with significant accumulating snow in many parts of the northern and central US.
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