Coastal low pressure will pull away from the Mid-Atlantic coastline today and our weather will improve quite noticeably compared to our cool, wet day on Tuesday. It’ll become warmer tomorrow and actually back to seasonable conditions for a change as a cold front approaches the region. There can be some shower and thunderstorm activity later tomorrow, but it won't be a total washout. The weekend may feature a wet spell on Saturday courtesy of the remains of Hurricane Harvey as it finally pushes to the northeast after spending many days in the Deep South.
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The remains of Hurricane Harvey continue to spread rain in the Deep South and a second tropical system is riding up along the east coast. This second tropical system has spread clouds our way and we'll experience occasional rainfall as well with very cool conditions for this time of year. The most significant rainfall from today's coastal system is likely to take place across eastern Virginia, southern New Jersey, and much of the Delmarva Peninsula before the system pushes out to sea, but all areas in the I-95 corridor between DC and NYC will receive some rainfall. Looking ahead, there is still no excessive heat in sight for the Mid-Atlantic region as the month of August winds down.
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The remains of Hurricane Harvey will continue to result in torrential rainfall for parts of Texas and Louisiana with as much as 20 additional inches of rain possible in some sections over the next few days. Last week’s greatest fears of upwards of 3 or 4 feet of rain is coming to fruition in some parts of the Texas and massive flooding has been the result. Another tropical system is riding up along the Southeast US coastline today and it’ll actually head to the Outer Banks of North Carolina before turning away from the coast and out to sea. Clouds and possible showers should arrive from Tuesday into Wednesday in parts of the I-95 corridor and significant rain will take place in southeastern Virginia, southern New Jersey, and parts of the Delmarva Peninsula. There is still no excessive heat in sight for the Mid-Atlantic region as the month of August winds down.
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Strong high pressure has expanded into the Northeast US and it will control our weather right through the weekend. Temperatures and humidity levels will remain quite comfortable around here this weekend for the latter part of August. Elsewhere, the tropics are very active with Hurricane Harvey - now a category 2 storm - about to slam Texas with tremendous amounts of rainfall over the next several days. A second tropical system near Florida is likely to slowly intensify as it churns northeastward along the Southeast US coastline in coming days and it could very well bring some rain here by later Monday and Tuesday.
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Strong high pressure is building into the Northeast US and it will control our weather right through the weekend and the early part of next week. Temperatures and humidity levels will be quite comfortable around here for late August over the next several days. Elsewhere, the tropics are quite active and intensifying Tropical Storm Harvey is likely to have a major impact on southeastern Texas in coming days with prospects for tremendous rainfall amounts of up to a couple of feet possible. Harvey could very well be the first hurricane strike in Texas since 2008. Another tropical system will slowly push northeastward along the Southeast US coastline and it could intensify enough to become named "Irma" as it spreads heavy rain from Florida to coastal North Carolina.
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A cold front is pushing through the region at this time and its passage will usher in much more comfortable air for the rest of the week. In fact, as strong Canadian high pressure expands eastward from the Great Lakes region into the Northeast US, we’ll experience nice weather right through the upcoming weekend and into the early part of next week. Elsewhere, the tropics are quite active and one system could have a major impact on Texas and Louisiana over the next several days with tremendous flooding potential and another one is likely to produce heavy rainfall along the Southeast US coastline from Florida to North Carolina.
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A cold front will arrive tonight and this system will likely bring us another round of showers and thunderstorms. Any storm that forms along the frontal boundary zone late today or tonight can be on the strong side with heavy rain, gusty winds and frequent lightning. Canadian high pressure will then build into the Mid-Atlantic region on Wednesday and it will produce a long stretch of nice weather lasting right into the early part of next week.
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Solar eclipse day has finally arrived and there will be some clouds around in the Mid-Atlantic region. High pressure over the region will move offshore today and a disturbance will approach from the west giving us the chance for thunderstorms both this afternoon and tonight. Later in the week, Canadian high pressure will arrive with comfortable conditions for this time of year. In the DC-to-Philly-to-New York City corridor, the eclipse will be partial and its duration will be about 2 hours and 40 minutes. The beginning of the solar eclipse in this corridor will be around 1:20 PM (ET), the time of maximum coverage of the sun around 2:45 PM (ET), and the ending time around 4:00 PM (ET). The percentage of totality will be roughly 81% in the DC metro region, 75% in and around Philly, and 72% in and around the NYC metro region. Special solar eclipse glasses must be worn for viewing throughout today’s event.
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High pressure builds into the region today and the new work week gets off to a pretty nice start. A front will approach the region later in the week and likely stall out near the area. This next front will bring back the threat of showers during the second half of the week. There is still no excessive heat in sight for the Mid-Atlantic region.
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A frontal boundary to our south will lift northward later today and this will increase our chances for showers and thunderstorms after a few days of quiet, rain-free weather. Another frontal system will approach the region this weekend keeping it somewhat unsettled around here and low pressure may then form along this boundary zone early next week. There is still no excessive heat in sight for the Mid-Atlantic region.
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