After a lengthy quiet period in the Atlantic Basin with no named tropical storms, Francine was born this morning over the southwestern Gulf of Mexico and it is likely to threaten the Louisiana coastline on Wednesday as a hurricane. A tropical wave that has been meandering over the warm waters of the SW Gulf in recent days has now attained named tropical storm status and it is likely to strengthen into a hurricane on Tuesday and then head towards the Louisiana coastline for a possible landfall later in the day on Wednesday. Francine is expected to bring heavy rainfall and the risk of flash flooding all the way from coastal sections of far northeast Mexico to southern Mississippi and an increasing likelihood of storm surge inundation.
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High pressure will control the weather around here for much of the week and each day should feature plenty of sunshine with rain-free conditions. Temperatures are starting off the week quite cool this morning and should peak this afternoon in the pleasant upper 70’s to go along with the sunshine. There will be a gradual warming trend during the next couple days with highs likely back in the low-to-mid 80’s for much of the second half of the week.
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High pressure over the northeastern states will control the weather in the Mid-Atlantic region for another day with comfortable temperatures and humidity levels though clouds will be abundant. The high shifts off the coast by early tomorrow and there will be a cold frontal system pushing this way from our northwest. As a result, showers are likely on Saturday and temperatures should peak in the middle 70’s for highs. This will not be an all-day heavy rain type event anywhere in the Mid-Atlantic region and that includes in State College, PA where Penn State plays its home opener at noon…showers only. The front sweeps through on Saturday night and its passage will usher in another cool, crisp, fall-like air mass for Sunday and Monday of early next week.
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The climatological peak of the Atlantic Basin tropical season is just around the corner and there are now as many as five systems to monitor in coming days after a very lengthy quiet period. In fact, there has not been a newly named tropical storm in the Atlantic Basin since “Ernesto” first reached that designation on August 12th, and this is the longest such quiet stretch since the late 1960’s. With five separate tropical systems currently showing some life in the Atlantic Basin and near-term changes coming to the overall weather pattern, the absence of named tropical storms is very likely to soon come to an end.
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High pressure over the northeastern states will control the weather in the Mid-Atlantic region for another couple of days. Temperatures and humidity levels will remain quite comfortable for this time of year with afternoon highs within a few degrees of the 80 degree mark. The high shifts off the coast by Saturday and there will be a cold frontal system pushing this way from the northwest. As a result, showers are likely on Saturday; especially, during the afternoon hours and temperatures should hold in the mid-to-upper 70’s for highs. The front sweeps through on Saturday night and its passage will usher in another cool, crisp, fall-like air mass for Sunday and Monday of early next week.
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High pressure over the northeastern states will control the weather in the Mid-Atlantic region for the next couple of days. Temperatures and humidity levels will remain quite comfortable for this time of year with highs generally within a few degrees of the 80 degree mark. The high shifts off the coast by Saturday and there will be a cold frontal system pushing this way from the northwest. As a result, showers are likely on Saturday; especially, during the afternoon hours and temperatures should hold in the upper 70’s for highs. The front sweeps through on Saturday night and its passage will usher in another cool, crisp, fall-like air mass for Sunday, Monday and Tuesday of early next week.
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The month of September is now underway and there are three tropical waves to monitor in the Atlantic Basin in coming days, but none of these has yet to attain named tropical storm status. In fact, there has not been a newly named tropical storm system in the Atlantic Basin since “Ernesto” formed back on August 12th. The time period from the 13th of August until today, September 3rd, is the first such quiet stretch since 1968 without a newly named tropical system.
At the same time the tropics are showing some life after a quiet stretch here in early September, cool, crisp and dry air is dominating the scene from the Great Lakes/Upper Midwest to the Mid-Atlantic/Northeast US. Numerous locations early this morning were quite close to their record low temperatures for the date and indeed, there were a few spots that actually set daily low temperature records.
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High pressure over the Great Lakes will control the weather in the Mid-Atlantic region for much of the week. Temperatures and humidity levels will be quite comfortable for the early part of September with highs generally in the 70’s and overnight lows in the 50’s. The high shifts off the coast by the early part of the weekend and low pressure may combine with a cold frontal system to produce some rain in the region. Cool, dry air should follow the frontal passage for Sunday and Monday.
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The work week will end with plenty of clouds and comfortable temperatures that should peak this afternoon in the mid-to-upper 70’s...there can be a shower or thunderstorm along the way, but lots of rain-free time. A cold front will bear down on the Mid-Atlantic from the northwest later tomorrow and this “primary” frontal system will likely bring more showers and thunderstorms to the area from late tomorrow into tomorrow night. A “secondary” cold front will then drop south and east into the Mid-Atlantic from later Sunday into Monday and it can result in an additional shower or thunderstorm, but nothing too organized and mainly a rain-free finish to the weekend. A cool, dry and fall-like blast of air arrives on Monday, Labor Day, and it’ll feature below-normal temperatures and very comfortable humidity levels right into at least the middle of next week.
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It won’t be quite as warm today in the DC metro region compared to Wednesday with the arrival of a stalling-out cold frontal system. Temperatures are likely to top out near the 90-degree mark for afternoon highs as compared with the upper 90’s on Wednesday afternoon. With the frontal system stalling out in rather close proximity, the weather here will remain unsettled today with a good chance of showers and thunderstorms; primarily, focused on the PM hours and any storm can be strong-to-severe and any rain from later today into tomorrow will be heavy at times.
Another cold front will bear down on the Mid-Atlantic during the day Saturday and this “primary” frontal system will likely bring more showers and thunderstorms to the region from later Saturday into Saturday night. A “secondary” cold front will then drop south and east into the Mid-Atlantic region from later Sunday into Sunday night and it can result in additional shower activity to close out the weekend though likely not nearly as widespread or as heavy as with the “primary” cold front earlier in the weekend. A cool, dry blast of air arrives on Monday, Labor Day, featuring below-normal temperatures and very comfortable humidity levels.
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