|This day we drove to south central Kansas again. While passing the KS/OK state line we almost got hit by a nice dustdevil. Soon after that we saw one cell building in Kansas. We could even see some CG's. Later we spotted a small wildfire, initiated by CG lightning from this first storm. Storms were now forming in a line, oriented SW-NE.
We tried to chase the tail-end charlie of this squall line; which was supercellular. Once in a while we saw signs of rotation in this storm; a massive backshearing anvil with cumuliform mammatus - signs of very strong updraft velocities. The flanking line towers were impressive to watch. While letting this cell approach us, we saw a well-formed gustnado just to our front left, 500 yards. The wind was very strong and it was hard to make any photographs.
The shelf cloud and gustfront were interesting to watch, but not so severe. I tried to measure the gusts with my anemometer, but I only measured 30 kts winds.
We drove south to SW side of this storm (most southwest storm of the squall) for a nice sunset, but we ended up on a dirt road in torrential rainfall and had to drive slowly (10 mph) to not slide off the road. The shoulders looked like wild rivers! Later, while driving home to Amarillo, we saw a lightning storm with CG lightning, but this one transformed into IC before we had a chance to photograph. This chase was the longest this year until now (718 miles in one day).