The heaviest rains associated with the remains of Hurricane Sally now extend from Georgia to the central part of Virginia. This system came ashore yesterday morning in the Gulf Shores, Alabama area as a category 2 hurricane and it has undergone significant weakening since making landfall. The tropics remain very active in the Atlantic Basin with multiple systems to still monitor in coming days including one impressive wave over the southwestern Gulf of Mexico that will meander around for the next several days. This Gulf of Mexico tropical system has an excellent chance of becoming a tropical storm or hurricane in the near-term and could impact the Gulf coastal region sometime next week.
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The Atlantic Basin remains full of activity today with three hurricanes, Sally, Paulette and Teddy, and each one of them is currently categorized as category 2 storms with maximum sustained winds of 100 mph. Hurricane Sally continues to move painfully slowly in the northern Gulf region after making landfall around Gulf Shores, Alabama and will likely end up producing more than two feet of rain in some spots before finally pushing away later tonight and Thursday. Hurricane Paulette continues to move rapidly away from the US in an east-to-northeast direction while Hurricane Teddy likely heads towards Bermuda and it could soon reach “major” hurricane status. In fact, Hurricane Teddy will have to be closely monitored in coming days as a strong blocking high pressure system develops over southeastern Canada/NW Atlantic which may force this system to the northwest after passing over Bermuda (i.e., perhaps in the direction of northern New England). In addition, a strong tropical wave now spinning over the southwestern Gulf of Mexico has a good chance of intensifying over the next day or so; especially, after Hurricane Sally pushes farther inland, and it is likely to ominously meander around the warm Gulf for awhile.
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Hurricane Sally will move inland later today and begin a turn to the northeast, but its movement will remain on the slow side. As a result, heavy rainfall will continue to pile up in the northern Gulf coastal region extending from the western part of Florida’s Panhandle to southeastern Mississippi. In fact, some spots could see upwards of two feet of rain in this region by later tomorrow. The remnants of Hurricane Sally will move slowly through the southeastern states of Alabama and Georgia before reaching the Carolinas at the end of the week – bringing some heavy rainfall along its path.
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The Atlantic Basin remains full of tropical activity today with two hurricanes, two tropical storms and three other waves extending far and wide from the southwestern Gulf of Mexico to the west coast of Africa to the Northern Atlantic. Hurricane Sally remains over the warm waters of the northern Gulf of Mexico at mid-day and has slowed down to a crawl which will contribute to excessive amounts of rainfall over the next couple of days in the region from western part of Florida’s Panhandle to southeastern Mississippi.
In the Mid-Atlantic region, temperatures this morning dropped to the lowest levels of the season so far with many suburban locations along the I-95 corridor bottoming out in the 40’s. And while there is plenty of sunshine today to go along with the cool conditions, the sun is dimmed in many areas by an upper-level of smoke from the western wildfires. An even cooler air mass will arrive in the Mid-Atlantic region by the weekend with Saturday’s highs likely confined to the 60’s in the DC-to-Philly-to-NYC corridor – well below-normal for this time of year.
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The very active 2020 Atlantic Basin tropical season continues today with multiple systems on the scene from the western Gulf of Mexico-to-western Africa. Sally has intensified into hurricane status over the northern Gulf of Mexico and it is a slow-moving system in an area of weak winds. As a consequence, Sally is going to be a major rain producer for the northern Gulf coastal region and some spots can receive up to two feet of rain over the next day or so. By Wednesday, this system will push to the north and east over the south-central states of Mississippi and Alabama and head towards the Carolinas bringing significant rainfall along its path.
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There are currently five systems in the Atlantic Basin that are characterized as tropical depression or greater and that high number hasn’t happened since September of 1971. Currently, there are three systems that are classified as tropical storms, Sally, Teddy and Vicky, and one hurricane, Paulette, which passed over the island of Bermuda earlier today. Tropical Storm Sally is a slow-moving system now over the northern Gulf of Mexico and it may end up producing up to two feet of rain during the next couple of days in portions of the northern Gulf coastal region. After landfall, the remnants of Tropical Storm Sally are likely to push to the north into southern Mississippi and then to the northeast through Alabama and Georgia – bringing some heavy rainfall along its path. The heaviest of the rain from Sally’s remains are likely to stay south of the Mid-Atlantic region as a strong cold front barrels from northwest-to-southeast towards the eastern seaboard. That cold front will usher in the coolest air mass of the season so far in the Mid-Atlantic region and Northeast US during the upcoming weekend.
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The new work week begins with an active tropical scene in the Atlantic Basin including Tropical Storm Sally which is slowly moving to the west-to-to-northwest over the eastern Gulf of Mexico. This system has a good chance to intensify into a hurricane over the next 12-24 hours as it churns towards the northern Gulf coastal region. Sally is likely to reach southeastern Louisiana in the overnight hours and it’ll become quite a slow moving system. As a consequence, there is the potential for substantial rainfall amounts in the northern Gulf region from southeastern Louisiana to the western part of Florida’s Panhandle – perhaps on the order of a foot or more. At mid-week, this system will head inland and push to the north and east bringing heavy rainfall to the south-central US and ultimately, the remains of Sally could produce significant rainfall as far north as the Mid-Atlantic.
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The very active 2020 Atlantic Basin tropical season continues as we reach the middle part of September with multiple systems on the scene extending from the western Gulf of Mexico to the eastern Atlantic Ocean. One of these systems is currently categorized as a hurricane, “Paulette”, and it is likely to impact Bermuda in the near-term. There are two tropical storms in the mix including “Rene” in the central part of the tropical Atlantic and “Sally” now over the eastern Gulf of Mexico. Tropical Storm Sally is of great concern to the northern Gulf coast region as it could slow down near and after landfall - potentially resulting in substantial rainfall amounts of more than a foot by the middle of the week. The remnants of Tropical Storm Sally are likely to push inland at mid-week bringing significant rains to the south-central states and then into the Carolinas.
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Two tropical waves are in rather close proximity with the Florida Peninsula with one to its west over the eastern Gulf of Mexico and the other to the east near the Bahamas. Both of these systems will drift westward over the next few days so that by the early part of next week they may be together over the warm waters of the Gulf of Mexico. There is some chance of intensification in both cases, but reaching tropical storm status is no guarantee for either. The combination of the two systems will, however, contribute to some significant rainfall in Florida over the next couple of days as well as along portions of the northern Gulf coastal region.
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If you try to pinpoint the climatological peak in the Atlantic Basin tropical season to one particular day in terms of the number of active storms, it actually comes down to today, September 10th. Well, here we are and right on queue, there are numerous waves to monitor in the Atlantic Basin from the eastern Gulf of Mexico to just off the west coast of Africa. A few of these tropical waves are relatively close to the US and will have an impact in the near-term while another few systems are potential concerns for the second half of September. Meanwhile, the Pacific Ocean remains unusually quiet in terms of tropical activity in what should also be an active time of year. In fact, the overall tropical activity in the world’s largest ocean has been way below-normal in 2020 and this has contributed to a below-normal tropical season so far for the Northern Hemisphere as a whole.
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