It’ll turn much milder today as high pressure pushes off the east coast and low-level winds become southerly. The warm up will accentuate on Wednesday as high temperatures climb well past the 70 degree mark in the DC metro region. Unfortunately, this mid-week warm up will be accompanied by occasional rain and thunderstorms as a strong cold front approaches from the northwest. In fact, some of the storms that form later tomorrow can be on the strong-to-severe side – much like this past Saturday with damaging wind gusts the main weather threat. It’ll turn colder later in the week following the passage of the cold frontal system and a “clipper” system could generate some light snow or rain around here on Friday.
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There can be a repeat performance of Saturday in the I-95 corridor with a strong frontal passage at mid-week and possible strong thunderstorm activity. The new week will start off on the chilly side, but much milder conditions will push back into the region for Tuesday and especially Wednesday. Unfortunately, the chance for rain will increase along with those expected milder conditions. By late Wednesday, a strong cold front will approach from the Great Lakes with showers and possible strong thunderstorms and its passage will usher in colder air for the second half of the week. A fast-moving “clipper” system could bring us some light snow or rain on Friday.
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Our unusually warm weather will come to an end shortly as a strong cold front reaches the Mid-Atlantic’s I-95 corridor. This front will generate a long line of showers and embedded thunderstorms and some of storms will be on the strong-to-severe side containing heavy downpours, lightning, damaging wind gusts and perhaps even some hail and a few isolated tornadoes. Radar has shown an increase in intensity of echoes during the past couple of hours across western and central sections of the Mid-Atlantic region - and it is all headed to the I-95 corridor.
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The overall weather pattern for the first couple weeks of March certainly looks colder than current conditions in the Northeast US which isn’t saying much as we’ve been experiencing record-breaking warmth. Nonetheless, there are signs for multiple cold air outbreaks into the Northeast US during the first part of March and these outbreaks will likely be accompanied by “clipper” low pressure systems. “Clippers” are officially known in the meteorological community as “Alberta Clippers” and defined as follows: “a fast moving low pressure system that moves southeast out of Canadian Province of Alberta (southwest Canada) through the Plains, Midwest, and Great Lakes region usually during the winter”. This low pressure area is usually accompanied by light snow, strong winds, and colder temperatures. Another variation of the same system is sometimes called a "Saskatchewan Screamer". We better get used to the term "clipper" around here in the Northeast US because it looks like several of them will head this way during the first ten days or so of March.
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Very mild air for this time of year will stick around through Saturday, but then a strong cold front will arrive and bring an end to the current warm spell. Temperatures today and Saturday will continue at well above normal levels, but then we’ll turn noticeably colder late tomorrow night following the passage of the strong cold front. After a morning shower or two on Saturday, the approaching strong cold front will generate a narrow line of showers and embedded thunderstorms during the afternoon and early evening hours and some of the thunderstorms can be on the strong-to-severe side and contain brief downpours and gusty winds. Winds on Sunday will kick up out of the NW and temperatures will generally hold in the 40’s. Weak low pressure from the south-central US will head towards us on Monday and it could generate a couple of rain showers. It'll turn warmer again by the middle of next week and more rainfall is likely on Tuesday and Wednesday, and then another cold shot should arrive for the second half of next week.
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Very mild air for this time of year will stick around through much of the day on Saturday and there could even be record-breaking temperatures in some spots in the Mid-Atlantic region this afternoon, tomorrow and/or Saturday. With the warm up comes the likelihood of patchy fog during the late night and early morning time periods. On Saturday, a strong cold front will be approaching us from the Great Lakes region and it will generate occasional PM rain around here and even a possible thunderstorm or two as it remains quite mild for one last day. Following the passage of the cold front, temperatures on Sunday and Monday will return to much more seasonal levels and winds will kick up out of the NW as we close out the weekend.
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Very mild air for this time of year will return to the Mid-Atlantic region today following the overnight passage of a warm frontal system. Temperatures could reach the 70 degree mark for highs each of the next three work days and it will stay quite mild right into the weekend. On Saturday, a strong cold front will approach from the northwest and likely generate showers around here and perhaps a thunderstorm or two. It’ll turn quite a bit colder on Sunday following the passage of the cold frontal system and temperatures will struggle to escape the 40’s as we close out the weekend.
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High pressure will shift offshore later today and a warm front will cross the region in the overnight hours. This will allow for the return of very mild air back into the Mid-Atlantic region and high temperatures will flirt with the 70 degree mark on Wednesday, Thursday and Friday. A strong cold front is coming for the weekend and it will generate showers and possibly a thunderstorm on Saturday and then noticeably cooler conditions for Sunday.
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High pressure across southeastern Canada will bring temperatures down somewhat over the next couple of days as low-level northerly winds develop in the region. After this high pressure system pushes off the coast on Tuesday, it’ll turn warmer again for the second half of the week. It’ll also become somewhat unsettled later this week as numerous frontal systems will take up residence in the Mid-Atlantic region.
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First, an update on the weather situation in California…an intense storm closes in today and it’ll produce widespread heavy rainfall across the state with up to ten inches possible in southern sections. In fact, this could turn out to be one of the worst storms in many years for southern California with strong winds, possible power outages and flash flooding to go along with the heavy rainfall. Yet another storm arrives early next week and this one is likely to primarily pound northern California with additional substantial rainfall - something they certainly don't need.
Here in the Mid-Atlantic region, high pressure pushes off the coast this weekend and this will allow warmer air to push into the area from the southwest. In fact, high temperatures should surpass 60 degrees in the DC metro region on both weekend days – a true taste of spring. High pressure will then build into SE Canada on Monday and this should cause temperatures to slide back some in the Mid-Atlantic for a couple of days; especially, from New York City northward. It’ll then turn warmer again by the middle and latter parts of next week.
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