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August 28, 2002 Wahpeton, ND Supercell

 

Well I hoped to get a chase in while taking a class up in ND. Wednesday after class I went back to the motel room and almost fell asleep. I got bored and looked sw out the window and hello...there was a storm that just went up, sw of town(no watch out yet....about to be a severe watch). I went downstairs and grabbed Jon(my supervisor from work...who had never been on a chase) and went outside. Precip began to block the view of the storm. Soon pea sized hail started falling on us. I was like well we'll give it a shot, having no clue what the setup was like at all. The storm was rather elevated. We watched it from this parking lot on the east side of town.

 

 

This scud was quite interesting, rising rapidly up into the base. A tornado warning was issued at this time and that got my hopes up quite a bit.

 

 

We went east into MN on highway 210(I think) and she just about tornadoed for us. Jon had never seen one and I still haven't this year. I tell him at one point that he's about to see one. They were reporting this storm moving ne at 20 mph. I was like, I doubt it's going to move ne here in a minute. It pretty much stopped, then actually dropped south for a bit.

 

 

It went from the previous pic to this in maybe 20-30 seconds.

 

 

I can't believe nothing formed! I thought for sure we were going to have a great view of a tornado, nicely back lit, right off the road from us. We had nice warm easterly inflow at this time.

 

 

  Jon points out this interesting thing moving around the mesocyclone. I was like, "hmmm, yes that is interesting lets at least be ready to leave(east)".

 

 

This is indeed interesting. Notice the bit of "rfd"/clear notch here to the right of the previous feature.

 

 

Wow, this was turning into a real treat, that is for sure. It had a very rouned base for awhile

 

 

Look at that feature get pulled cyclonically around the storm. Too bad there was evidently a good wedge of cold air right under that wall cloud.

 

 

This thing was simply producing too much rain cooled air as it sat there then moved/formed south. It would just about do it before more cold air would undercut the updraft. The town we were staying in (Wahpeton) got 6-10 inches of rain in a 3 hr period.

 

 

Nice cg.