Weather Photos

April 15, 2000

NOTE:Numbers after certain sentences indicate the photo being referred to.

After meeting up with Eric Nguyen and Dan Horenstein in Norman, OK., we set up in our target area of Fredrick, OK. We were treated to an amusing scene as we found out that Eric's car not only attracts the attention of people, but it also attracts the attention of cows.1 While in this area, we noticed some hard convection beginning to take place ahead of the dryline, and two storms began to take shape. The southern storm began to take on a backsheared anvil, and the northern storm began to become linear. Hoping that the southern storm would have good inflow and the best chance of becoming supercellular, we decided to target it.2 After pushing west and setting up near Duke, OK., we began to get a decent of view of what was going on, and it became clear that the cell was still trying to get its act together. Geoffrey Calhoun also met up with us at this point, and we all exchanged greetings and information. Chris Sokol and his OU group also stopped by and visited briefly. Soon after we set up in Duke, some beautiful mammatus began forming on the underside of the anvil, and I used Eric's anemometer with the mammatus in the background as a good photo op.4 The storm briefly took on some supercellular characteristics, and quite a bit of scud was being pulled into the updraft base.5 A wall cloud briefly formed under the updraft but soon fell apart after our storm got absorbed into the squall line that had developed to it's north. Even though we lost our wall cloud, the mammatus began to become more numerous and better defined.6 Enjoying the view of the eerie sky above us, we all took advantage of the situation and used plenty of film in the process.7 The MCS began to grow very intense, and the lightning became intense as we watched numerous CGs and anvil crawlers. A layered shelf cloud formed ahead of the squall and began bowing out, indicating that strong outflow winds would accompany the MCS.8 Another cell began to fire to the south of the squall line 9, and we decided at this point to make our way south in order to intercept the new tail end charlie. After making our way through some terrible roads with the help of Dan's navigation with Eric's GPS, we eventually crossed the Red River and set up south of Vernon, TX. Although this new storm wasn't very well organized at the time, the scene provided some gorgeous photo opportunities.10 Eventually, the setting sun began to bring an end to the day, but not before providing a unique view of the sun through the storm's precipitation shaft.11 Even though the expected supercell event didn't occur, we were all pleased with some of the amazing scenes that we witnessed on this day.

Eric's Car Attracting the CowsStorm Taking Shape To Our West

View of the Same Storm Near Duke, OK.Eric's Anemometer with Mammatus Above

Storm's Beginning to Take on Brief Supercellular CharacteristicsMammatus Have Become Well Defined, Large, and Numerous

Chasers Filming Well Defined Mammatus

Beautifully Layered Shelf Cloud

Shelf Ends at Tail End CharlieShelf Cloud and Rain Shaft with Tail End Charlie

Beautiful Sunset through Precip. Shaft

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