Unknown 0:06Good evening, it is February 3, and welcome to a recap discussion of the storm. This storm is a dangerous storm right now it's an ice storm, lots of ice storm warnings, especially for places in Texas that had a very profound impact for those places going really highways, which cover from Texas all the way into the Northeast. And however, we're not going to be focusing so much on that we're going to be focusing more on the fun part of the storm.Unknown 0:35The fun part of this storm, right? The fun part of the storm is the snow part of the storm. And let's just go back to Monday, it was a complex storm. And that's why I wanted to just it's a unique storm, something that we don't usually get here in the Midwest, it happens but it's not the usual type of storm. So let me just explain the usual type of storm system that affects us the big storms that affect us here in the Midwest, the ones that produce more than six inches, and the ones which are forecasted to produce a widespread six inch plusUnknown 1:08are those low pressure systems that develop over let's say Oklahoma or so. And then they kind of dip a little bit south into Texas, this is called the Panhandle hook, it collides with lots of Gulf moisture, and then it also collides with an Arctic airmass. Low pressure generally a lot of times is under 1000 MB, which means it's about 29.5 or less, a lot of times 29.4. I remember in 2008, that winter, maybe 2009 29.4 Low pressure brought 14 or 15 inches of snow to Milwaukee. Now realize when you're trying to figure it out the storms intensity from just the barometric pressureUnknown 1:46to major forecaster for to the AccuWeather pointed out that for the East Coast, a good indicator to know whether a storm is going to produce a foot or more or not, is does the storm have a barometric pressure of 29.2 or lower. If it's not 29.2, then usually a foot will not be forecasted for the East Coast. Here in the Midwest, I would imagine we have different standards here because it's not so common to get a low pressure of 29.2. But you know, at the same time, the winter storms don't seem to be as big here in the Midwest. Anyways, we had a low pressure system, which was not really so much no Gaya, this it's not really so much connected to the snow. But I'm just going to mention it because it did have the barometric pressure at 29.2. And it actually did play a major role in getting this whole thing started. So that was the low pressure that was located just north of the Minnesota or North Dakota area in southern Canada. And if you looked on the map, it really looked intense. It had a lot of spin to it. 29.3 it was 29.3. On Monday, it moved northeast, they think now I think it intensified to 29.2. Tuesday as well. You might have actually was in just north of North Minnesota in Minnesota on Tuesday, and then it headed northeast. Now the way these low pressure systems work is that they were they were counter clockwise, the winds go counter clockwise around the low pressure. So areas to the east of the low pressure have Northwind of South winds and areas to the west of the low pressure have Northwind. So it brings in all the warm air to the east, which was many areas here in the Midwest, especially the southeast. A lot of times the warm air doesn't quite make it up in the Northeast because it tends to go over the colder air at the surface. But here in Chicago, we were on the warm in the warm sector of the system, in fact, much warmer or at least a little bit warmer than what was forecasted to happen. Temperatures in parts of Chicago area actually had 50 degrees on Tuesday, just amazing. 50 degrees in parts of the Chicago area on Tuesday, and precipitation moved in as well. That's because we had lots of golf moisture this was visible on any weather map you looked at from days ago days ago already was well advertised. The moisture available with the system was well advertised...

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