Another warm storm is racing through New England. Temps soared through the 50s and into the 60s for some today…Boston topped out at 61 degrees just after 2PM, just 3 degrees shy of the record for this date. Along with the warm semi-tropical air came semi-tropical downpours and thunderstorms. Rain amounts have exceeded an inch in many spots south of Boston and there was even a few reports of street flooding along the South Coast. The coldfront is making progress and will sweep through after midnight tonight…until it completely passes early tomorrow morning, scattered showers and mild temps will stay put. By morning, the winds will swing around to the NW behind the front and temps will begin their decline. The high tomorrow will be close to the morning low…mid to upper 40s eventhough the sun will be coming out.
High pressure will be building in for the middle of the week…it will deliver a chill first, so highs will be more seasonal around 40 degrees both Wednesday and Thursday. The high will create sinking air which will make cloud development difficult, leading to lots of sunshine. The high and cold will suppress the storm track south of us through the Mid-Atlantic so aside from some high thin clouds at times we are looking dry.
The same high will slide offshore and we should get into some return flow, briefly, Friday into Saturday morning out ahead of a coldfront. This means temps will bump up again close to 50 on Friday then cool during the course of the day, falling through the 40s, post frontal passage.
Our next chance for a storm appears to be late Sunday into Monday. There are mixed signals on whether this storm will be a warm or cold storm. It’s hard to go against the recent trends of a very warm storm track here in New England but there are also signs that downstream blocking will be much more pronounced by that time and therefore cold air more be more of a player. We will know more in a couple of days.