More Flooding & Cold Front Swings In

***Watch WISN 12 News at 5, 6, & 10 p.m. for the latest weather information!***

Thank you for stopping by the Weather Watch 12 Blog.  Parts of Wisconsin were slammed with heavy rain Wednesday Night and Thursday.  The result was another round of flooding, a scene that has been too common in 2010. 

Rain totals in the western part of the state were in the 5.00″ to 8.00″ range!  The town of Arcadia was flooded in many areas with over 7.00″ over rain!  Arcadia is labeled on the map below with a ‘*’.  Check out some of the NEXRAD estimated rainfall totals below!  Just click to enlarge.

The heavy rain lined up a long a warm front boundry that slowly lifted north Wednesday Night.  That front surged north of our area Thursday leading to a near record high for the first full day of Fall!  The high in Milwaukee on Thursday was 89, just shy of the record of 93 set back in 1937.

Look at the dynamic setup across the Midwest shortly after 2 p.m. on Thursday.  I drew in the low, cold front, and warm front.  While it was nearly 90 in Milwaukee, it was just in the low 60s in central Wisconsin!  Just click on the map to enlarge.

The cold front will push east into early Friday.  As the front nears southeast Wisconsin, showers and thunderstorms will be possible from late Thursday evening into early Friday.  A few showers could linger into the morning commute.

The timing for southeast Wisconsin will be good in the sense that the storms will weaken as they move in, and they should prevent any severe weather or heavy rain from occurring.  In fact, I think some areas will see little to no rain, and top end rain totals may only be around a half inch. 

Below is the rainfall forecast from our in-house high resolution computer model through early Friday.  Notice, the part of western Wisconsin that already saw heavy rain could see more! 

Behind the cold front cooler weather will settle in on Friday.  Most areas will see highs back into the upper 60s.  If the sun would poke through a few low 70s are possible.  The wind will again be gusty, with gusts topping 30 mph in the afternoon.

Cooler, but drier weather settles in for the weekend.  Morning lows on Saturday should be back into the 40s!  After a summery start to Fall, the typical late September weather is back!  Make sure to watch WISN 12 News for the latest on rain and the weekend forecast!

Remember, you can always add your thoughts to the comments section of the blog! 

Have a great day!

Jeremy Nelson

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4 Responses

  1. This is what I was looking for Jeremy! A breakdown of the amount of rain that central WI had on Wednesday night… THANK YOU!

    The Warrens Cranberry Festival starts today and goes through Sunday. I am certain that the rain/flooding will effect the turnout for this massive event despite their website indicating the show will go on “Rain or Shine”. Despite that, I hope they have a good turnout as this event is huge for their economy.

    Anyway, Thank you for the rainfall totals!

    • Heather,

      Thanks for stopping by! If there is ever something that you are curious about and don’t see it in the blog just ask. We can usually steer you in the right direction. That rain was pretty much like what we saw back on July 22.

      Jeremy

  2. Jeremy a question. Why after a cold front passes does it take the temperature and dew point hours to drop. Shouldn’t these things happen right after the front passes?

    • Bryan,

      Sometimes there is a lag, but other times the temperature drop is immediate. Often the more dramatic cold fronts with the quick temp drops occur in the winter. The lag may in part be related to taking a short amount of time to cool the ‘warmer’ air in place or push it out of an area.

      Jeremy

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