After producing lots of rain and wind in the Carolinas on Monday night, “Isaias” will continue to pick up forward speed today and push along a stalled out frontal boundary zone to a position over the Delmarva Peninsula/southern New Jersey by late in the day. Torrential rainfall will spread northeastward along the I-95 corridor today and continue into this evening with as much as several inches possible by the time Wednesday morning rolls around. In this area and in the wake of the tropical system, temperatures will be quite manageable for the next few days. However, it’ll turn hot again by week’s end with highs likely back up in the middle 90’s on Friday, Saturday and Sunday.
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“Isaias” will push to the north today to a position just off the coastline of Georgia and then likely make landfall tonight somewhere in the Carolinas – perhaps as a hurricane. After that, “Isaias” will move along the rest of the eastern seaboard bringing torrential rain in its path resulting in a significant rain event from Florida to Maine when all is said and done. Around here, a series of disturbances will swing through an upper-level trough of low pressure over the next few days bringing a daily shot of showers and thunderstorms to the region; primarily, in the afternoon and early evening hours.
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“Isaias” weakened slightly yesterday into “tropical storm” status and it remains so early Sunday morning despite a burst of deep convection in the overnight hours. That burst of thunderstorm activity has not resulted in any significant improvement in the overall structure of “Isaias” which is currently about 40 miles southeast of West Palm Beach, FL and it is not outside the realm of possibility that it regains enough strength later today to reach weak hurricane status. Nonetheless, “Isaias” will ride up to fairly close to the east-central coastline of Florida with some heavy rainfall and strong winds to last about 12 hours or so once they begin later this morning. On Monday, “Isaias” will begin to take a turn to the north and then northeast and likely make landfall somewhere in the Carolinas - perhaps as a hurricane. After that, “Isaias” will continue to ride up along the east coast and generate a major rain and wind event for the Mid-Atlantic and Northeast US - ultimately resulting in impact extending all the from Florida to Maine.
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“Isaias” became the second hurricane of the 2020 Atlantic Basin tropical season in the overnight hours as it pulled away from the island of Hispaniola and out over the very warm waters of the southwest Atlantic Ocean. The 2020 Atlantic Basin tropical season has gotten off to a very active start - now with nine named systems – and it will very likely remain quite dynamic as we begin the month of August. In fact, a couple other tropical waves are now churning over the eastern and central tropical Atlantic - virtually guaranteeing the energetic season will continue in coming days. Hurricane “Isaias” is likely to continue on a NW track over the next 24-36 hours that will bring to a position just off the east coast of Florida this weekend with significant impacts to the Bahama Islands and southern/eastern Florida. “Isaias” is now classified as a category 1 hurricane and there is a chance it intensifies to a category 2 storm before it makes its closest approach to Florida’s east coast. After that, “Isaias” may very well ride up along the east coast ultimately resulting in a significant rain event all the way from Florida to eastern New England.
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Hurricane “Isaias” is now past the island of Hispaniola and on its way to the Bahama Islands and quite likely to a position to just off the east coast of Florida later this weekend. Significant rainfall and strong winds are on the table for the Bahamas and southern/eastern Florida and the storm’s moisture field could then ride up along the eastern seaboard later this weekend and early next week.
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The 2020 Atlantic Basin tropical season has gotten off to a very active start now with nine named storms - the newest one being “Isaias”. Tropical Storm “Isaias” has been pounding away at Puerto Rico since last night with torrential rainfall and is now interacting with the island of Hispaniola (Haiti/Dominican Republic). This particular island has mountainous terrain with peaks of over 10,000 feet and it is likely to limit the intensification of “Isaias” – at least in the short-term. In addition, an interaction with this northern Caribbean island frequently causes a “re-positioning” of the low-level circulation center of a given tropical cyclone so we’ll look for that to take place over the next 12-24 hours. After that, Tropical Storm “Isasis” is likely to significantly impact the Bahama Islands - perhaps as a hurricane - and likely take a track over or just off the east coast of Florida with substantial rainfall and strong winds on the table. There is a chance that the moisture field of the tropical storm then rides up along the southeast US coastline to the Carolinas - and potentially as far north as the Mid-Atlantic/Northeast US.
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An active weather pattern continues across the Tennessee Valley with multiple short waves that will rotate through an upper-level trough of low pressure. As a result, there will be a daily shot at showers and thunderstorms and any storm can result in some heavy rainfall given high available moisture. In addition, a big change will be to the temperature pattern beginning today as highs should be confined to the 80’s for the next few days as compared with the recent experience with the persistent 90’s. Elsewhere, Tropical Storm Isaias continues on a WNW track this morning that should take it towards the Bahamas and Florida this weekend.
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The 2020 Atlantic Basin tropical season has gotten off to an active start with eight named storms already and another wave that has reached the Caribbean Sea is quite likely to become the ninth (“Isaias”). This latest tropical wave pushed off the west coast of Africa late last week and had somewhat limited intensification possibilities over the past few days as it battled with dry air in the central Atlantic that originated over the Sahara Desert region of northern Africa. As such, the tropical wave appeared rather elongated and disorganized yesterday morning, but has since “escaped” the dry air mass and is now becoming better organized. There is a good chance that this system will reach tropical storm status in the next 24 hours and continue on a west-to-northwest track which will result in an impact on the northern Caribbean islands of Puerto Rico, Hispaniola and Cuba as well as the Bahamas.
After that, the tropical system may very well impact Florida by later Saturday, but its intensification prospects beforehand may be somewhat limited due to its possible interaction with these islands and a possible increase in southwesterly wind shear. By early next week, the tropical system could begin to take a more northerly track as it interacts with an unusually strong upper-level trough that will be “digging” into the south-central US and slowing down in its eastward progression. As a result, its moisture field could very well ride northward along the east coast in the early part of next week - potentially resulting in a significant rain event all the way from Florida to the Northeast US.
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An active weather pattern is unfolding for the Tennessee Valley with numerous short waves in coming days that will rotate through an upper-level trough of low pressure. As a result, there will be a daily shot at showers and thunderstorms and any storm can result in some heavy rainfall given high available moisture. In addition, a big change will be to the temperature pattern as beginning today, highs should be confined to the 80’s for the next few days as compared with the recent experience with the persistent 90’s throughout the region. Elsewhere, a tropical system continues on a track that should take it towards the northern Caribbean island chain and then perhaps to the Bahamas by the end of the week. This system could ultimately have an impact on the southeastern US during the early part of next week.
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The 2020 Atlantic Basin tropical season has gotten off to an active start with eight named storms already and another (still unnamed) wave closing in on the Lesser Antilles. This latest tropical wave pushed off the west coast of Africa late last week and is likely to intensify over the next couple of days as it continues on a general west-to-northwest track. There is a high probability that this system intensifies enough to become classified as a tropical storm and, if so, it would be named “Isaias” – the ninth named storm of the still relatively young 2020 tropical season and the earliest date for the “I” storm. There is a good chance that this system continues on a track that’ll bring it to near Puerto Rico later this week and then to the southern Bahama Islands at weeks end. After that, there is a growing chance that the likely-to-be-named “Isaias” will threaten Florida and the Southeast US by the latter part of the upcoming weekend.
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