So many of the tornados in our area were rained-wrapped and hard to see.
That about sums up our experience in the NE/SD area. I'd add in fog/low stratus wrapped supercells though
The Short: Got on several tornado warned (and apparently tornadic) supercells in NC Nebraska. Low visibilities and a bad road option later prevented us from seeing any tornadoes or sticking with supercells for a prolonged period of time. Ironically, all the places we drove through earlier got the brunt of the show. Doh!
The Long: The wife, two UND grad students (Zhe Feng and Becky Obrecht), and I left Grand Forks at 6:30am. Now chasing in the 21st century armed with a laptop and the Alltel plan, we blasted south to Sioux Falls. In Sioux Falls (~11:30am), we picked up a recent UND grad (Crystal Paulson) and headed towards Yankton.
Once we got to Yankton, we dropped south and decided what to do... play the WF or blast south to the northern target area of the dryline. Visibility was quite poor near the WF as one would expect, and the radar made our choice for us. A new storm SW of Oneil became tornado warned and looked impressive on radar. We headed west and intercepted this line of supercells near Ainsworth.
Doh. By this time, new convection was firing south of Yankton which would later become the tornadic supercells that produced a number of tornadoes in SD. Unfortunately, our supercells (while tornadic) were in the most awful visibility I have ever seen while chasing. While a low stratus deck dominated the region, I at least expected several miles of visibility near the supercells. Nope. Visibilities decreased near the supercell, and we couldn't make out the FFD/RFD until it was less than a mile away. During our short time window of being able to see anything, the storm didn't produce. It did a few miles south and north, however.
Deciding this was a bad play, we jumped shipped and headed towards another supercell about 45min SSE of us. We intercepted this storm NNE of Broken Bow, NE. This time, visibilities were great and we had an excellent view of the rain-free base in hill country. We followed it on a N/S road for awhile, but were still a good ways west of the storm. We decided to stair step on one of the few pavement roads in the region to get a closer. Unfortunately, this road turned to slicker-than-snot gravel halfway through. By the time we corrected our error, the chase was essentially over... several hours BEFORE dark.
We headed back home stuck in no-mans land hearing reports from our cell and those near Yankton, SD. We did intercept one other isolated, persistent updraft near Spencer, SD. This was more of a semi-decent photo opportunity consolation prize as the sun tucked behind the small tower.
Now we're left with the did we learn part. Obviously, I'd like to take something away from the experience considering we missed a decent tornado show on my personally longest (~1250mi) storm chase AND the show was closer to home. I'm able to draw parallels to another chase: April 7th, 2001 (Throckmorton). Another WF day where we left too early, and got ourselves out of play too far south. One of these days I'll master the WF setup. Preferably sooner-than-later considering this is a more likely setup for tornadoes in this neck of the woods ; )
Aaron