Eclipse times, peak percentage:
Philly 2:08 pm to 4:35 pm (90%)
DC 2:04 pm to 4:32 pm (89%)
NYC 2:10 pm to 4:36 pm (90%)
A mix of sun and clouds today as a warm front advances from southwest-to-northeast across the western Mid-Atlantic region. Looking at the uneclipsed or partially eclipsed Sun through dark sunglasses or any other unapproved filter is a recipe for serious and potentially permanent eye injury (i.e., do not use regular sunglasses).
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A large low pressure system that has been plaguing us for the past few days will slowly push away from the Northeast US and the weather in the Mid-Atlantic region will slowly improve during the next few days. It remains breezy and chilly today with the chance for a couple of showers, but likely dry and cool on Saturday, and then dry and milder on Sunday with plenty of sun to close out the weekend. High pressure will be in general control of the weather here during the early part of next week and the warming trend will continue.
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Another active weather day is coming to the Mid-Atlantic region with the threat of PM showers, maybe a thunderstorm. Any heavier shower or thunderstorm later today can generate small hail (ice pellets) or graupel (snow pellets) due to a cold upper atmosphere. It stays somewhat unsettled on Friday with lots of clouds and a couple of showers are still possible. Quieter and milder weather returns to the region later in the weekend.
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There has been rain, heavy at times, during the past couple of days and there will be rain, heavy at times, during the next couple of days…watch out for localized flooding. There are a couple of differences, however, in overall atmospheric conditions that will have an impact today, tonight and tomorrow. First, the overall atmosphere becomes somewhat more unstable later today leading to an increasing wind compared to earlier in the week and an also an increased chance for a strong-to-severe thunderstorm. In addition, the overall atmosphere will become colder later today and tonight and this will allow for an increased chance of hail (ice pellets) or graupel (snow pellets) during any heavier shower or thunderstorm right through the day on Thursday. The weather remains somewhat unsettled on Friday and it takes until later in the weekend to finally settle down to quieter and milder conditions.
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A double-barreled storm system will impact a large part of the nation from today through Thursday with an initial (primary) low located over the Upper Midwest and a secondary is to form later tomorrow near the Mid-Atlantic coastline. The initial system is producing severe weather today across the Ohio Valley and there are waves of heavy rain running all along the “I-80” states from Illinois-to-Pennsylvania with “flash flood watches and warnings” issued in most areas. The severe weather threat will shift to the east on Wednesday raising the chances for strong-to-severe thunderstorm activity in the southern Mid-Atlantic and eastern Carolinas.
Farther north, it is cold enough for accumulating snow today across portions of Minnesota and Wisconsin and some spots will get dumped on over the next 24 hours. The accumulating snow threat will shift a bit to the east to Michigan by later tonight and perhaps to the south on Wednesday into Iowa and Illinois. Once the secondary storm gets going near the east coast later tomorrow, the accumulating snow threat will shift from the Upper Midwest to the interior Northeast US and some spots in interior New York State and New England will get dumped on by the time Thursday evening rolls around.
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An ugly stretch of weather continues in the DC metro region with scattered showers this morning and mid-day and then periods of rain later this afternoon and tonight. Some of the PM rain can be heavy at times and there can be a late day thunderstorm or two. The threat of rain will continue on Wednesday and Wednesday night and the chance for a strong-to-severe thunderstorm will be on the increase. The weather here remains on the cool and unsettled side on Thursday with additional rain showers possible and a shower or two cannot be ruled on Friday as well. Quieter weather finally returns to the metro region this weekend and it’ll turn milder.
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An ugly week of weather has begun in the DC metro region with cool conditions and occasional showers today, tonight, tomorrow and Wednesday…some of it can be heavy at times and it doesn’t end there. There will be the chance of a few thunderstorms along the way during the first half of the week and even colder air will push into the area on Wednesday night and Thursday on strong winds and there can be some additional rain shower activity and perhaps even a few snow showers across northern Maryland. This blast of winter-like weather from late Wednesday into Thursday is likely to result in accumulating snow across upstate NY and interior New England - keeping ski season alive and well up there for awhile longer.
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Low pressure that has been hanging along the east coast during the past 24 hours or so has pushed out into the open waters of the western Atlantic Ocean and NW winds will kick up here today on its backside. There should be plenty of sunny intervals today with cool conditions and NW winds gusting to 40 mph or so will make it feel even cooler than the actual air temperatures. A disturbance to our west will spread plenty of clouds into the region on Saturday along with some shower activity; however, we should then sneak in a pretty decent Easter Sunday before the weather goes downhill again beginning on Sunday night. Specifically, Easter Sunday is likely to feature partial sunshine and mild conditions with afternoon highs in the mid-to-upper 60’s. By contrast, it’ll turn cooler early next week with the threat of rain from Sunday night into Wednesday.
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A stalled-out frontal system along the east coast remains a conduit today for moisture to ride along from south-to-north resulting in occasional light rain or drizzle around here for much of the day. There can be a lingering shower or two this evening and then skies should partially clear in the overnight hours as drier air pushes into the Mid-Atlantic region on NW winds following the departure of low pressure to the western Atlantic. There will be some sunshine on Friday, but it’ll be cool and winds will be rather strong gusting to 40 mph or so from a northwesterly direction. A couple of disturbances can bring some shower activity to the region on Saturday and again Monday, but we may sneak in a pretty decent Easter Sunday with relatively mild conditions and some sunshine.
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It is one of the best times of the year when you hear the phrase “Play Ball” and “Opening Day” comes tomorrow in many cities including New York, Philadelphia and Baltimore. Unfortunately, the weather will not cooperate with damp and cool conditions up and down the Atlantic seaboard putting the home openers in serious jeopardy for the Mets, Phillies, and Orioles. Low pressure is to form later today along a stalled-out frontal boundary zone and the result will be occasional rain or drizzle in the DC-Baltimore-to-Philly-to-NYC corridor from later today into tomorrow afternoon. Dry conditions are expected on Friday in each of these cities and with an open day in the schedule, it may be very tempting to simply postpone the openers by one day. If, in fact, these openers are postponed as I do believe they will be then they would quite likely be done so officially as early as this evening.
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