November Squall Line 11/17/13

A rare late season severe weather and tornado outbreak occurred across the Midwest/Great Lakes/Ohio Valley region on November 17, 2013. The SPC issued a rare (for this late in the year) Moderate Risk area, but then upgraded to an even more rare (for this time of the year especially) High Risk area for severe weather. Including tornadoes. A widespread outbreak of severe weather did indeed occur on November 17th. Lucky for us here in Michigan, we escaped the worst of it. But that didn’t mean we were spared completely as a powerful squall line with a few embedded areas of rotation and a few EF-0 tornado touchdowns blasted the area. I positioned myself NNE of Greenville to intercept a more powerful part of the squall line. The area I chose was nearly perfect as I was cored with hail which ranged anywhere from pea size to quarter size. The majority was penny size. At times I found it difficult to see more than a couple hundred feet as the high … Read More…

Severe Weather, Tragedy, and Time Lapse

Pictured left is the only photo I was able to obtain of the outflow boundary as it approached. Scroll down to “Tragedy” for the reason why. SEVERE WEATHER On May 1, 2012, a Slight Risk was issued for areas of the Midwest, including the lower Great Lakes. This included a large portion of lower Michigan. The SPC kept it’s Slight Risk area over my region through day 3, 2, and finally day 1. The main threats were to be hail, and high wind, I agreed with this. On May 3, 2012, severe weather was imminent, it was just a matter of when. The majority of the thunderstorms were elevated, and being triggered in large part by the warm front. The warm front was draped across lower Michigan, and had led to thunderstorm development. Through the day, more storms developed, eventually forming a squall line. This line of storms extended from Lake Huron, all the way back to Wisconsin, but what broken in nature for most of the afternoon, this seemed … Read More…