Since the middle of last week, two separate tropical systems attained tropical storm status adding to the year’s total number of named storms to 15 in the Atlantic Basin. Neither one of these most recent tropical storms, Nadine and Oscar, are a threat to the US mainland as the first one has already dissipated and the second is destined to push out over the open waters of the western Atlantic Ocean. There are signs, however, that tropical activity in the Atlantic Basin may be very well get boosted again as we push into the first half of November.
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The main theme of the weather this week will be “dry, dry and more dry” with little chance of rainfall around here as has been the case all month long. High pressure remains in control as we begin the new work week and the next system of note will be a cold front that passes through on Wednesday night…without any rainfall. Temperatures will climb well up in the 70’s today and to near 80 degrees tomorrow afternoon, and then cool down later in the week following the mid-week frontal passage.
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Very strong high pressure throughout all levels of the atmosphere remains parked over southern Canada and it will keep us dry and comfortable for the next several days along with plenty of sunshine. Temperatures have been running at well below-normal levels for the past few days, but will begin a climb today featuring afternoon highs well up in the 60’s, and then 70+ degrees is possible on both weekend days. The dry weather pattern continues in a month that has featured very little, if any, rainfall in the DC-to-Philly-to-NYC corridor.
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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 in the lower 40’s cross 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 suburban locations 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 6:55-7:15pm...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 developing and then they’ll 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 elevation 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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