1. The 850mb temperature is well below freezing for all the forecast period.
2. Q-G effect is not significant for this forecast period.
3. The isentropic analysis shows sinking motion__
4. sounding data to look at vertical motion.
IND: surface temperature is approximately 0. freezing rain start from 3-5-12Z ---> rain 15Z - 21Z ---> snow 21Z - 6Z
GARY: snow 12Z - 3Z
South part: Rain 12Z--> 3Z freezing --> 6Z snow