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Thank you for stopping by the Weather Watch 12 blog! Despite the dreary and damp weather on Thursday, temperatures reached the warmest levels of 2011!
In this blog entry we’ll look at the current mild weather and the updated Spring flood outlook.
As expected temperatures jumped into the 50s on Thursday in Milwaukee. The snow and clouds/fog kept temperatures from topping out around 60 or better. Some locations where there is much less snow did top out near 70!
Below is the surface map at 2pm Thursday. Notice that Des Moines was 67, Milwaukee 50, and Fargo was 29. So there is colder air lurking to the northwest.
The warm-up this week may have some wondering about the flood potential from now through April. While one storm system can change anything, the big picture is looking like mainly good news for southeast Wisconsin.
On Thursday, I participated in a National Weather Service webinar that went over the flood potential for the north-central part of the country. The map below is color coded to give a specific flood forecast from late February through April.
- Green dots: <50% chance of flooding
- Orange: Minor flooding
- Red: Moderate flooding
- Purple: Major flooding
Notice that much of southeast Wisconsin is in a low threat for flooding. A much greater threat exists closer to the Wisconsin and Mississippi Rivers.
For the northern U.S. the flood threat is greatest in the Mississippi River and Red River basins. Here is the map below with the same color coding for the dots.
The next chance of a ‘wetter’ storm system impacting Wisconsin will move in this coming weekend. Right now it appears that a majority of this storm system for southeast Wisconsin would be rain.
Below is the 18Z NAM forecast for Sunday. With the 540mb thickness line moving north of Milwaukee, it appears this would be a mix to rain for the onset of the storm.
We will continue to monitor the track and precipitation type with this storm as it may impact your weekend plans. Check out WISN 12 News for the latest, and make sure to post your questions and thoughts to the blog!
Have a great day!