Our dry spell ended last night with the arrival of a cold frontal system and scattered showers and thunderstorms. An even stronger cold front will arrive later tomorrow bringing with it another round of showers and thunderstorms for the Mid-Atlantic region. Following its passage, a much cooler-than-normal air mass will push east on Sunday into the Mid-Atlantic region from the Great Lakes and comfortably cool conditions will prevail for the early part of next week.
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The rain-free weather that we’ve experienced during the past several days should come to an end later today with the arrival of a cold frontal system. Though the front is weakening as it heads towards the east coast, it should still be able to produce some shower and thunderstorm activity around here from later today into early Friday breaking our current dry spell. In fact, a few strong storms are possible which can contain brief downpours. A second cold front will arrive late Saturday and it too can produce some shower and thunderstorm activity in the DC-to-Philly-to-NYC corridor. High pressure will return to the area for the Sunday and Monday time frame and another cool and dry air mass will spread here from the Great Lakes.
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The month of August was not only quite a bit cooler-than-normal in the Mid-Atlantic region (coolest in 25 years in DC, 3rd coolest in 25 years for NYC), but it was also very dry as well in many areas. In fact, the DC-to-Philly-to-NYC corridor saw virtually no rainfall during the last ten days of August and the month of September has started off rain-free as well. There is plenty of hope, however, that in the near-term there will be two chances for some welcome rainfall associated with two separate cold frontal systems. The first chance of showers and thunderstorms will come late Thursday and Thursday night with the initial cold front and then a second round of showers and thunderstorms is likely for late Saturday/Saturday night associated with cold front #2.
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The comfortable and dry weather that we’ve been experiencing in recent days will continue here at mid-week with large high pressure remaining in control of the northeastern part of the nation. A cold front will push through the region from late Thursday night into early Friday and then a secondary cold front arrives late Saturday. These two fronts will present our best chance in awhile for some rainfall in the Mid-Atlantic region from late tomorrow into Friday and then again late Saturday. High pressure takes control of the weather for the second half of the weekend as another much cooler-than-normal air mass spreads eastward from the Great Lakes/Upper Midwest into the northeastern states.
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The comfortable and dry weather pattern that we’ve been experiencing in recent days will continue into the mid-week with large high pressure remaining in control of the northeastern part of the nation. A cold front will push through the region from late Thursday night into early Friday and then a secondary cold front arrives late Saturday. These two fronts will present our best chance in awhile for some rain in the Mid-Atlantic late in the week and early this weekend. High pressure takes control of the weather for the second half of the weekend as another cooler-than-normal air mass reaches the northeastern part of the country.
One final note, the month of August ended up with an average temperature of 3.6 degrees below-normal at Reagan National Airport (DCA) and -3.5 degrees at Dulles Airport (IAD). In fact, this was the coolest August in 25 years in D.C. and there were only 5 days during the entire month that were warmer-than-normal.
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The comfortable and dry weather pattern that we’ve been experiencing in recent days will continue right through the upcoming Labor Day weekend and into the early part of next week. A cold front will cross our area this morning paving the way for another cooler-than-normal air mass to push into the Mid-Atlantic region and some outlying locations are likely to bottom out near 50 degrees during the next couple of nights. High pressure takes control of the weather for the weekend and this same system will hang around long enough to produce more comfortable, dry weather here during the first half of next week. Another cold frontal system will then enter the picture by the middle of next week representing the leading edge of yet another widespread cooler-than-normal air mass...this next cold front has a chance of bringing some beneficial rainfall to the area...we’ll see.
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The comfortable and dry weather pattern that we’ve been experiencing in recent days will continue right through the upcoming Labor Day weekend and into the early part of next week. A cold front will cross our area by early tomorrow and this system will be followed by high pressure for the weekend and first half of next week. The incoming high pressure system had its origins in central Canada and it will come with some cool air for the end of August/beginning of September...some suburban locations are likely to drop into the lower 50’s for overnight lows.
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The month of August has been quite kind in many parts of the nation with numerous cooler-than-normal air masses dropping into the US from Canada. A strong cold front pushed off the east coast earlier this week and set the stage for widespread cooler-than-normal conditions here at midweek that extend virtually from coast to coast. This air mass had its origins in the Arctic region and has resulted in more than one hundred tied or broken daily low temperature records on Wednesday and in Atlanta, Georgia, the low temperature today was 55 degrees which tied their monthly low temperature record. I expect to see another large number of stations on Thursday morning with record or near record low temperatures in the eastern US.
Looking ahead, the pattern will repeat later next week with another much cooler-than-normal air mass dropping into the US from Canada bringing a refreshing cool start to the month of September across the eastern half of the nation. This pattern has also been quite dry in parts of the nation including the Mid-Atlantic region and the next several days don’t offer much hope with respect to the chances of some soaking rainfall.
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One cold front pushed through the region on Monday morning paving the way for a few days of comfortable temperatures for late August and a second one will cross the area from late Thursday night into Friday. This next cold frontal passage will set the stage for a dry and comfortably cool Labor Day weekend with overnight lows in the 50’s in most areas. The month of August comes to an end on Sunday and it’ll end up averaging cooler-than-normal all along the DC-to-Philly-to-NYC corridor.
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A cold front pushed through the region early yesterday and its passage has set the stage for a great last week of August and a reinforcing cool shot of air will arrive for the upcoming weekend. Widespread cooler-than-normal air now encompasses much of the eastern half of the nation and below-normal temperatures will be the rule of thumb right through the upcoming Labor Day weekend which should be dry and pleasant.
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