5/10/10 REPORTS: OK/KS/TX

[Trey Alvey]

We intercepted the Wakita/Medford Supercell along US 81. First we witnessed the enormous mesocyclone with what appeared to be multiple tornadoes/vortices possibly becoming a "wedge" to our west. Haven't seen the survey for it yet to know for sure, though.

Then, we witnessed another brief wall cloud/ spin up along the trailing gust front.

After this passed we quickly went over towards Burbank to catch the storm that developed to the south. We witnessed a well defined wall cloud and at least one funnel.

http://www.youtube.com/watch?v=mOGJiFbodM4

 

[Laura Duchesne]

A disappointing day for Ron Gravelle and I. We targeted Wakita but did not make it in time. We did manage to see a couple funnel clouds.

http://laurawx.blogspot.com/2010/05/high-risk-nascar.html

 

[Alan Broerse]

5-10-10 Yukon Oklahoma Tornado

Here are 4 screen captures from the west Yukon tornado. It was on the ground 6 1/2 minutes over I-40. It was about the most snakey tornado I have seen in years. It lifted and went northeast about 5 miles only to recycle and produce a funnel over the Quail Springs mall area...It was on the ground several times with a white debris cloud sometimes after the last few hundred yards of the tornado went transparent...I was doing live TV with Gary England on I-40 with a ton of folks who locked up I -40...Folks who line up under an overpass blocking all lanes, preventing forward movement and escape from a storm need a public flogging...uggggg .

 

[cdcollura]

Good day all,

Full chase log and video posted (just ignore some of the nasty comments on the video link, since it's not stormtrack) ;P

Chase-Log: http://www.sky-chaser.com/mwcl2010.htm#MAY8

Video (May 10-12): http://www.youtube.com/watch?v=8ngseWciyEc

 

[Winston Wells]

Here's a link to the video I shot of the Wakita storm. This shows the tornado just before and during its multivortex stage. At this point, the main circulation appears to be moving back south across SR 11 and over the line of chasers moving east.

I took this footage from just north of the intersection of SR 11 and Trenton Road. The tree line is about one mile away, and I'm looking due west here.

http://www.youtube.com/watch?v=oNy-m3xLa0k

 

[Jason A.C. Brock]

Wason the El Reno sideways tornado until the storm left me in its dust. Jeremy & Brandon were able to pick up whereI got left off however and track very close to the Little Axe tornado. Power flashes debris. Typical Jeremy Wilson chase...
Finally Ben Jacobi got some nice structure shots on the cell further South near Waurika with a water spout in the area over the lake.
Jeremy site holytornado.com
Ben Site http://photographybybenjacobi.blogspot.com/ he also has some good star & structure with lightning near Crowell on 16th around midnight
Reports at holytornado.com & youtube.com/storm777

 

[Ben Holcomb]

Over a month late to this thread, but I finally went through and got all of my video online and a chase account posted.

http://www.benholcomb.com/Chase-Accounts/20100510

Eric Treece and I intercepted the Wakita tornado just west of Medford. We had setup and had everything tripodded including the satellite tornado. What an amazing day full of ups and downs.

 

[Jason Young]

Well call me lazy , but I am late on posting mine on here to . Here is mine :
http://www.chaseingthewind.com/May-10th-Outbreak.php

I got lucky and stayed out of the insanity of Wakita cell .
Sorry about the Video quality on there , had to use my back up camera .

 

[Bobby Prentice]

Moore-Harrah, Oklahoma EF4 Killer Tornado



2010 May 10 Moore-Harrah, Oklahoma Tornado - YouTube video clip (direct link)

The initial dryline storms across westcentral and southwest OK took their time organizing into supercells. 0-6km shear vector orientation perpendicular to the lifting mechanism (dryline) led to multiple, stringy updrafts during the first 90-120 minutes of their lifetimes. However, I knew once the storms moved further east towards the NNE-SSW oriented boundary associated with the western edge of the eroding stratus, that the storms would quickly transition into tornadic supercells. Visible satellite images and KTLX 88D loops indicated this boundary was just west of I-35 across central OK.

I thought the tornado would occur over south OKC or Moore, so RJ Evans, Scott Fitzgerald, and I raced east on I-240 to get ahead of the storm, but ran into the baseball and larger hail and a traffic jam. I thought storm motion would be ENE, but it was actually due east. Kudos to WFO Norman which recognized what was going to happen and issued multiple preemptive tornado warnings before these storms crossed over the boundary.

UCAR Case section (choose May 10, 2010)

VIS satellite - 2045Z, May 10, 2010
AQUA 1km visible satellite image 1950Z, May 10, 2010 (be sure to click on the 500m and 250m resolution images too)

Norman Sounding - 20z, May 10, 2010
Lamont, OK Sounding - 21z, May 10, 2010
Norman, OK Sounding - 00z, May 11, 2010

Surface plot - 2007Z, May 10, 2010
Surface plot - 2207Z, May 10, 2010