When will warmer weather return?

As TJ mentioned in his blog over the weekend, the first week of May brought record rainfall.  Now we’re in the second week of May, and I’ve been using words like “cool” and “unsettled” way more than I want to be.  So what gives? And more importantly, when will the pattern change? This week, we are stuck with a large cold pool of air in the upper levels of the atmosphere. Euro Model 300mb (Jet Stream) Valid Monday 8pm, Courtesy Weather Bell.   See that big circle over the northeast?  That’s an upper level low pressure…