‘Warm’ Week Ahead

***Watch WISN 12 News at 10 p.m. for the latest weather information!

Thank you for stopping by the Weather Watch 12 Blog!  The much anticipated warm-up will arrive in full force on Sunday, and stick around for the early part of this week!  Now when we talk ‘warm’ temperatures in November, we need to keep in mind that ‘warm’ usually means highs in the 60s, or possibly low 70s.

Record highs this time of year for the most part in the 60s and 70s.  While I don’t think we’ll break any records this week, temperatures will be about 10-15 degrees above our average high.

Here is a look at the record highs for Milwaukee early this week.  All of the record highs were set in 1999!

November 8  (73  1999)

November 9  (75  1999)

November 10  (65  1999)

The reason why temperatures will jump is because an upper level ridge will move over the Midwest.  A ridge is really another word for high pressure.  High pressure creates a general sinking motion in the atmosphere, so when a ridge is overhead you can generally expect lots of sunshine, dry weather, and mild temperatures.

Below is a 500mb forecast map valid late Sunday.  The 500mb level, is the middle of the atmosphere.  So the upper level ridge will bring us warm weather from Sunday through at least Tuesday, and possibly into Wednesday.  

That is how it looks above the Earth’s surface, now how about at the surface where we live?

Let’s jump ahead to late Monday.  At that time a warm front(in red) will lift north of our area increasing our winds out of the southwest, resulting in warmer temperatures.

Below is the forecast surface map for late Tuesday.  By late Wednesday the cold front(in blue) over the Plains will sweep across Wisconsin.  This could result in a few showers. 

That is the set-up for early this week.  The main theme of the forecast is mild early in the week, more seasonal late in the week.  Enjoy the 50s to 60s for highs the next several days, before we know it the 30s will be back!

Make sure to post any thoughts or questions to the comments section of the blog.  And make sure to watch WISN 12 News for the updated 7 day forecast.

Have a great day!

Jeremy Nelson


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