Above: NAM 3 Kilometer 500 millibar (~16,000 feet) Forecast 10 PM Tonight.
An area of low pressure in the mid-levels of the atmosphere moving out of the Great Lakes toward New England today will keep conditions on the cloudy side and a bit unsettled through the first half of tonight. A short wave rotating around this low will produce rain & snow showers during this evening into the first half of tonight.
Above: Temperature forecast debate for 2 PM Saturday. Hi-Resolution NAM on left, European model on right. (Click to Enlarge).
The trend in the modeling during the past 36 hours continues to bring the backdoor cold front down across the state earlier and earlier Saturday. This means that the transition from warm Spring weather to crummy, Winter-like weather will likely start during the day Saturday instead...
Above: ECMWF model temperature forecast for 2 PM Saturday. (Click to Enlarge)
We will finally get a taste of some warm, Spring weather around here Friday & Saturday, but things will turn much colder Saturday night & Sunday. At 2 PM Saturday it will be 78 degrees in Hartford, 48 degrees in Boston, and 28 degrees in Burlington, Vermont (with snow & sleet falling). The colder air will move into CT from no...
Above: Hi-Res NAM vs. HRRR model forecasts for 12 noon today. The HRRR has more rain than snow at that time while the reverse is true of the 3 km NAM. A mix of snow & rain is likely across the state today. (Click to Enlarge).
Another round of precipitation today with below-average temperatures this weekend.
Rain & snow will spread from southwest to northeast across CT between 8 AM & noon.