October can be a dry month in the Northeast US with the usual overall cooling down of the atmosphere, but this one has been pretty ridiculous. While tropical moisture has inundated the Tennessee Valley/Appalachians and Southeast US during the past couple of weeks, nary a drop has fallen in the DC-to-Philly-to-NYC corridor and there is not much reason for hope in the next week or so. Perhaps...just perhaps...there may be some decent rainfall here around the end of the month as a strong cold frontal system heads this way from central Canada.
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Strong high pressure centered nearby will stay in control of our weather during the next couple of days with a chilly air mass remaining in place. Temperatures will be stay below-normal today with afternoon highs likely in the upper 50’s and overnight lows should be near 40 degrees across many suburbs. It turns a bit milder on Friday and the weekend is looking quite comfortable with sunshine expected on both days. One final note, the comet will remain visible in the western sky during each of the next few evenings assuming favorable sky conditions and a “dark enough” environment...look to the west about 45 minutes after sunset and binoculars are recommended.
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Strong high pressure centered over the Midwest will stay in control of our weather during the next few days with a chilly air mass in place. Temperatures for the next few days will be remain below-normal for the middle of October and there can be frost in the overnight hours in some outlying area with lows down in the 30’s. It turns a bit milder at the end of the week and the weekend is looking quite comfortable with sunshine expected on both days. One other note, a comet will remain visible in the low western sky during each of the next few evenings assuming favorable sky conditions and a “dark enough” environment...look to the west about 45 minutes after sunset.
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A strong cold front passed through the region on Monday and ushered in the chilliest air mass of the season so far. Temperatures for the next few days will be well below-normal for the middle of October and there can be frost in the overnight hours in some suburban locations with lows down in the 30’s. It turns a bit milder by the end of the week and the weekend is looking quite comfortable with sunshine likely on both days.
One other note, a comet should continue to be visible in the low western sky during each of the next few evenings given favorable sky conditions and “dark enough” environmental conditions….rough time period for viewing is 7:05-7:25pm...wonder what the ”Over/Under” was on seeing the northern lights and a comet within a 5-day period?
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Last week, it was the northern lights and now - for another astronomical treat - a comet should be visible to the naked eye during the next week to ten days or so in the western sky after sunset. Comet Tsuchinshan-ATLAS has now exited the sun’s glare having come closest to the sun in late September. It made its closest approach to Earth this past Saturday, October 11th, passing about 44 million miles away. It is now rising a little bit higher each night in the western sky and remaining visible for a little bit longer period; however, it is also going to lose some its brightness with each passing day.
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A strong cold front that is trailing a low pressure system to our north will push through the region today and usher in the chilliest air mass of the season so far. Temperatures this afternoon will likely peak in the low-to-mid 60’s with a developing stiff NW wind and then likely be confined to the 50’s for highs on Tuesday, Wednesday and Thursday. This chilly air outbreak will give way to milder conditions by the latter part of the week and beginning of the upcoming weekend.
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Temperatures will stay on the cool side today to end the work week, but then climb back into the middle 70’s on Saturday for afternoon highs with plenty of sunshine on both days. There can be a late day or evening shower on Sunday associated with a cold frontal passage that will usher in the chilliest air mass of the season so far for the first half of next week. In fact, there can be some snow early next week across portions of the interior, higher elevations Northeast US and the Great Lakes.
On another note, there was an explosion of auroras last night across the nation associated with the latest coronal mass ejection that was launched from the sun on Wednesday. Not only were the northern lights seen across the northern states last night, but observations came in from as far south as Alabama, Texas and Mississippi.
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High pressure stays in control through the end of the week and temperatures late tonight will drop to the lowest levels of the season so far in the Mid-Atlantic region. Overnight low temperatures near 40 degrees are likely in some suburban locations and there can be some patchy frost for the first time in outlying areas. It turns warmer for the first half of the weekend and continued dry and then another cold frontal passage will usher in the coldest air mass so far this season for the first half of next week. One final note, Hurricane Milton came ashore last evening as a category 3 storm near the Siesta Key/Sarasota region of Florida’s Gulf coast and is now exiting off the east coast.
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A weak cool front will cross the region tonight and it’ll usher in a reinforcing cool air mass that sticks around for the next couple of days. In fact, the lowest temperatures of the season so far will take place in the late night hours with overnight lows in the lower 40’s. It’ll warm up slightly on Saturday with high pressure in control and temperatures climbing back into the 70’s, but another cold frontal passage will usher in cooler air for the second half of the upcoming weekend.
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A cold front pushed through the area yesterday paving the way for a dry and cool week across the Mid-Atlantic region. High pressure will control the weather for the next few days and there will be a reinforcing cold frontal passage on Wednesday night. High temperatures should generally be confined to the 60’s and overnight lows in the 40’s. The coldest night of the season so far could be on Thursday night with lows in the lower 40’s across most suburban locations.
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