Severe Weather Chances & Tropical Depression One

***Watch WISN 12 News for the latest on severe weather chances this weekend!***

Thank you for stopping by the Weather Watch 12 blog!  If you are new to the blog welcome, and if you are like many and stop by daily thank you!  In this entry we will try to time out thunderstorm chances over the next 48 hours, and also when severe weather may be possible.

Severe weather moved through parts of Minnesota Friday evening with several reports of tornadoes and large hail.  I saw one report of tennis ball sized hail east of Marshall, MN.  That is big stuff!

If you have ever heard us talk about a ‘hook echo’ on radar, a classic hook feature appeared on one of the Minnesota storms Friday evening.  The storm that is closest to the bottom right hand corner of the image had the hook.  The image is from around 7:00 p.m. Friday evening.  Just click to enlarge.

As these storms continue to move east-southeast they will begin to impact parts of Wisconsin.  A Severe Thunderstorm Watch is in effect until 3 a.m. for southwest and parts of south central Wisconsin.  See the box outline below.

The watch does not include our area, but we will watch closely, because if the strong storm hold together, they could make it into southeast Wisconsin.  A slight risk of severe weather will continue for Saturday and Sunday for our area.  Below is the severe weather outlook for SATURDAY from the Storm Prediction Center.

The best chance of showers or t-storms on Saturday is very early, before 8 a.m. and after 4 p.m.  If you are going to Summerfest Saturday evening, please keep up to date with the latest forecast.

We will track the chances and timing for thunderstorms and potential severe weather all weekend long on WISN 12 News.

While no where near Wisconsin, the first tropical depression of the Atlantic Hurricane season formed on Friday.  The storm as of this writing had maximum sustained winds of 35 mph, and was moving WNW at 10 mph.  Below is the forecast path for the next 5 days.  Since there is a lot of uncertainty with a forecast out this far, the forecast ‘fan’ shows where it may possibly move.

Have a great weekend and check back for the updates!

Jeremy Nelson


3 Responses

  1. I looked out my window about 4am this morning, and saw my giant sunflowers bent over and uprooted by the wind, and pots blown off tables. The wind was wild! I live in Allis, around 65 and Mitchell. Do we have any indication of what mph the winds were?

    • We briefly had a high wind warning overnight. Winds gusted to 40-55mph. The winds were outside the t-storms in a wake low. The huge amout of rising air associated with the t-storm complex collasped(in very basic terms). Jeremy

      • If this is basic terms, I would hate to see the full explanation. LOL.

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