It now appears that there might have been as many as two EF3 tornadoes in the state. As Tony pointed out yesterday, because the NWS of Green Bay was so busy in the Fox Valley they did not have time to visit Forest county so the NWS of Marquette Michigan helped out. They found evidence of two tornadoes in Forest county. One started 3 miles southeast of Argonne and ended in the far southwestern corner of Florence county. That tornado ended up being rated as an EF2. It had a damage path 600 yards wide at times. Another weaker tornado touched down near Armstrong Creek and was on the ground for a couple miles. Thankfully these areas are quite sparsely populated, otherwise we could have had similar scenes to what happened in Merrill.
Although the NWS of Green Bay has not finished the survey of damage in Marathon and Lincoln counties, they are estimating that it will be rated EF3. We will link to their final assessment when it becomes available. Here is the preliminary report.
More dramatic video of the damage in Merrill shot from the air.
The NWS of Milwaukee has compared this April tornado outbreak to those of the past. Sunday’s tornadoes might end up being the largest April tornado outbreak in Wisconsin history.
The NWS of La Crosse has finished their assessment of the Adams county tornado and have determined the tornado was on the ground for 17miles – almost completely crossing the county from west to east. It strengthened to an EF2 as it approached Cottonville and winds are estimated to have reached 125 mph. For a couple of miles the damage path was up to a half mile wide. For the complete analysis with pictures, check here.
Lastly, I want to remind everyone that an NWS Storm Spotter training course is coming up in Medford tomorrow. It will be hosted at the Medford fire station at 6:30 in the evening. It is free and open to the public. You sit back, relax, and learn about severe weather and how to spot it. There is no obligation to become an official weather spotter. If you enjoy learning about weather and watching videos of thunderstorms and tornadoes, then head on over to the Medford Fire Station tomorrow. There is also a course coming up in Clintonville on the 18th.
Have a pleasant Tuesday! Meteorologist Justin Loew.
This post was written by jloew on April 12, 2011