Thread by @robsobs

Hate to say this folks, but odds are increasing that srn MB including Winnipeg will be facing a significant winter storm Wed-Thu (Apr 13-14) Potential for biggest April snowstorm in RRV since 1997 with 30+ cm possible. Still a ways away but models are not backing off #MBstorm

Image shows forecast position of Colorado low at 7 am Thursday morning via Canadian GDPS model. This track would put much of srn MB in the axis of heaviest snow. Could be some mixed precip with frzg rain/ice pellets/rain over SE MB Wed night into Thu am.

Two things of concern that would promote heavy snowfall:
1) Long duration event: Snow moves in early Wed and continues into Fri am. Longer duration for snow to accumulate
2) Lots of moisture being drawn into storm from central/srn US. This can lead to heavy snowfall rates

If the storm is faster moving or there's more warm air drawn into the system, this can lead to lower snowfall amounts (more mixed precip). At the moment, this appears less likely, but we'll continue to monitor trends..

One last point.. I don't hype storms. If anything, I tend to be conservative because I know how models can overdo things. But the growing agreement of model guidance plus pattern recognition and historical context makes me very concerned with this upcoming storm