Yesterday was a little frightening, looking at Spartanburg like we were. Today I think I feel safer instead exploring the world of Champaign, which is well inland and away from the mess headed for the Eastern Seaboard.
At 153PM, CT, Champaign was reporting a temperature of 30 degrees with low visibilities and overcast skies. Recent snow was in the process of melting, but with a deep trough over the region, temperatures aloft weren’t warm enough to burn the low level moisture off, and the feedback cycle is encouraging temperatures to remain cool today.
The surface gradient between a warm high Plains ridge and a cold Great Lakes trough is strongest in a northwest to southeast path through Illinois. A few impulses have been traveling along this area of baroclinicity, including a feature expected to invade the region early tomorrow morning. It’s simply a vorticity maximum, and no significant air mass change is expected, but this feature will bring about some precipitation to the region through the early afternoon. Champaign is going to be safely in the cool side of this gradient, so all precipitation will fall as light snow. It will move out as quickly as it arrives tonight, and by the late evening, it will be clearing. Expect a mostly cloudy sky through the day on Wednesday with a bit of a breeze. High pressure will be retreating from the area on Thursday, which should lead to a bit of an improvement in temperatures.
Tomorrow – Early snow showers, High 35, Low 25
Wednesday – Mostly cloudy, High 34, Low 25
TWC: Tomorrow – Cloudy skies early, followed by partial clearing, High 38, Low 21
Wednesday – Overcast 34, Low 27
AW: Tomorrow – Areas of freezing fog in the morning; mostly cloudy High 36, Low 22
Wednesday – Mostly cloudy and chilly High 35, Low 26
NWS: Tomorrow – A 30 percent chance of snow, mainly between 7am and 4pm. Patchy fog before 7am. Otherwise, cloudy High 36, Low 24
Wednesday – Mostly cloudy, (snow thru 1AM) High 36, Low 27
WB: Tomorrow – Cloudy with a 40 percent chance of snow, High 36, Low 24
Wednesday – Mostly cloudy, High 36, Low 27
WN: Tomorrow – Mostly Cloudy with Scattered Snow Showers High 36, Low 25
Wednesday – Mostly Cloudy High 36, Low 27
FIO: Tomorrow – Foggy in the morning. High 37, Low 26
Wednesday – Foggy in the morning.High 34, Low 25
Interesting to see what that little wave does over the Mississippi Valley tonight It will have a big impact on whether or not we are successful with the forecast! The system has been trending further south, so many expect that Champaign will remain in the clear. I’m not convinced. Here is the evening satellite image, showing a batch of precipitation headed south towards central and southern Illinois.