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College of DuPage Storm Chases

1995

The College of DuPage storm chases were a mild success in 1995. Oddly enough, the three tornadoes "captured" by COD were in Illinois on the way home from one of our Great Plains trips. The three tornadoes were spawned by a cyclic supercell that traveled from West Central Illinois to the far southern suburbs of Chicago.

The first tornado did NOT come from a wall cloud. The storm was just begining to take shape, when out of nowhere a rather pronounced clear slot came through the RFB (Rain Free Base) of the storm, allowing a small funnel, or possibly even a tornado (it appeared over a rather moist farm field, thus no debris was intially seen and the condesation funnel was not down...so we just call it an early funnel, although it could be debated if you want to get picky) to kick up. In a few minutes, debris was seen and a full blown tornado had formed (again, this came without a wall cloud or any visible low level features you might normally see before a tornado forms!!!). The strongest was a strong F3 that ripped through Cantrell, IL. This was the definitive tornado of the day and did the most damage, including going across I-55. Due to some problems with the Illinois River getting in our way, we were forced to go through some of the damage in Cantrell before getting back in chase mode. Once back in chasing mode, we captured a third tornado in Saybrook, IL. Here is a better view of the Saybrook tornado.

Other highlights included a nice LP storm near Lubbock, TX, a nighttime supercell near Amarillo which produced a tornado...that we could not possibly view, and various other storms thoughout Texas.

We caught a downburst on the very first day of chasing that was rather interesting, as well as instructive for the students.
Hole in the clouds picture
Plow winds and dust being kicked up from the ground

We also captured this fantastic supercell near Brownsville, TX.

The last trip was not an overall success, but we did get this nice picture of a distant strong/marginally severe squall line located in the Nebraska Panhandle region.

We took three trips to the Plains in '95. The first was successful, the last two came up empty. All in all, it wasn't that bad, but it could have been MUCH better. Storms moved way too fast last year and trofs were way TOO deep for our liking. Gentle trof or just zonal flow anyday over deep systems. Temps in Amarillo in late May were in the 50's!!! Please!


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