Developing Major Storm

Looks like an active start to the week in the central United States. Lets start with the snow.

These are maps of the probability of two inches or more accumulation.  The first is from 6pm this evening to 6pm Monday.

Here is the probability from 6pm Monday to 6pm Tuesday. Scale of probabilities at left.

And, here is the probability map of ≥ 2″ from 6pm Tuesday to 6pm Wednesday.

3:22pm CDT addition: AccuWeather has updated its snow accumulation forecast. I think there will be a few spots that get 8″+/.

And, things look potentially dangerous farther south. These are the probabilities of a tornado, hail ≥ 1″ in diameter or 60 mph winds or greater at a given point. The hatched area is where strong tornadoes and/or hail ≥2″ may occur between 7am Monday and 7am Tuesday.

and, here are the probabilities for the following 24-hour period centered on Tuesday:

Finally, here is the forecast precipitation amounts (rain and the amount of water contained in snow) between 6pm tonight and 6pm Tuesday. More need rain in the drought areas.

So, if you live in these areas, it is a good idea to keep up on the weather the next few days.

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