![]() ![]() SHORT TERM /6 AM TUESDAY MORNING THROUGH 6 PM TUESDAY/. Radiational cooling potential is not great tonight, given cloud cover, so the thought is lows will linger between the mid 40s at elevation to the low 60s across the Cape. Still, gusts to 30 kt are possible across the Cape and the waters.Ĭlearing will begin to develop to our west before sunrise, but the front will be slow to pull away. ![]() #Weatherradar ptown full#Gusts will likely mix down in convective cells, but given the jet develops pre- sunrise, we are not expecting mixing to reach it's full potential until the jet begins to move offshore later in the day. While the NAM seems out to lunch, with a 65kt jet over Boston, a 30-35 kt jet appears likely. This spells good news for the region, as portions of Cape have missed out on some of bouts of precipitation that have impacted interior southern New England over the past month.Įarly Tuesday morning, a low level jet will develop along the frontal boundary. It is here we are expecting the highest rainfall totals, with HREF mean ensemble probs of 1" QPF over 3 hours exceeding 50%. HI-Res guidance does show the potential development of a convective line between 05- 12Z tomorrow, mainly centered across the Cape. Some modest instability, given it is mid- October, of 200J/kg CAPE and K index values nearing 35 across SE MA and Cape Cod may support a few rumbles of thunder. Most short term guidance, like the HRRR and the NAM, pinpoint areas south and east of Worcester as the area having the potential to receive the most precipitation overnight. Rain showers will linger early this evening before a second surge of more widespread precipitation develops ahead of the incoming cold front along an emerging low pressure system. At this time, it looks dry beyond Tuesday evening! Seasonably chilly air mid week, with highs in the 50s and several nights in the 30s will lead to milder conditions by the weekend. Gusty south-southeast winds will gradually subside as the front pulls away Tuesday afternoon. Area Discussion for - Boston, MA (on/off) Help NOTE: mouseover dotted underlined text for definitionĪrea Forecast Discussion National Weather Service Boston/Norton MA 337 PM EDT Mon Oct 17 2022Ĭold frontal passage brings the chance for more widespread rain Monday night and early Tuesday. ![]()
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