(7:30AM - 4/14/19) The expected snow event is underway across portions of the state this morning, as a strong spring storm system moves through the region...
Rain spread across portions of Central and Northern Illinois last night into this morning. The rain has turned to snow over a good portion of Northern and Central Illinois as dynamic and evaporative cooling has cooled temperatures in the lower levels. Rain will continue to turn to snow for additional portions of Northern and Central Illinois in the next few hours. Snow will then continue across the aforementioned areas into later this afternoon, slowly ending from west to east.
Snowfall intensity will vary, with moderate to heavy snow possible at times. Additionally, thundersnow will be possible at times as well, and has already occurred across portions of Central Illinois this morning.
Final snowfall accumulations will be 1-3” in an axis across Northern and Central Illinois, with a corridor of 3-6” likely within the main axis. This will be a heavy and wet snow, with greatest accumulations occurring on colder surfaces...such as grass. Additionally, lower snow accumulations are likely in the vicinity of downtown Chicago, due to the urban heat island effect.
Below is our updated TAM snowfall forecast for this event.
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