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2015-05-19 REPORTS: TX, OK

Joined
Mar 30, 2008
Messages
1,488
Location
Norman, OK
Originally started out in Childress and dropped a little south out of there, watching storm after storm go up to our east and tornado warning 15 minutes from my house. Eventually bailed east and got on a storm in Jack county. Measured the biggest hail I've ever measured (3.75"), got hit on the shoulder by a baseball sized stone (ouch!) and witnessed a tornado in Clay County. Great structure. Video and pics will be forthcoming in the coming days.

Here's my tornado video from Clay County

 
Left work at 5:30, drove 40 minutes west and intercepted a small tornado as it passed through downtown Mineral Wells. Also documented several more brief spinups from the same mesocyclone as the storm moved off to the N/NE. Briefly tangled with the storm that would eventually move into Runaway Bay but darkness and low visibility led me to turn around and head home.

 
Busy day for me. Left work around 6:00pm and headed south to tornado warned storm near Jacksboro. Got into position and saw a decent wall cloud behind some of the precip. Got between tornado warned Jacksboro storm and tornado warned storm north of Mineral Wells. Drove south through the RFD on 281 and saw a nice low rotating wall cloud. After sunset I pulled over to shoot some lightning photos and head back towards Wichita Falls from Graham. Got to south of Archer City, TX and had to pull over from flooding and hail core. Observed a low rotating wall cloud that tightened up to a funnel and eventually reached the ground. It was on the ground for only a few minutes and I only captured a few photos. The image is was taken at 11:32pm 4 miles south of Archer City on Hwy 79. I am looking off to the north/northeast for this photo. I also included a radar and velocity scan for the aproximate time. All in all it was a great chase!
 

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I had no clue today held any potential here. Went to work, never even looked at SPC all day. Got off work, and stopped at Kroger to get stuff for dinner. While strolling down the chip aisle, I decided to check radar and see if we were gonna get any rain....saw lots of suspicious looking red blobs west of DFW (I have the "MyRadar" app which doesn't show intensity, tracks, or warnings) so I then checked the NWS page. Saw we were in a tornado watch and tornado warnings one county west. We ran out of the store, drove home, grabbed our gear, and hit the road. We had a choice; go northwest on 287 to a tornado-warned storm, or west on 20 towards a fledgling storm. I asked Bridget Geaughan and she said "I got a feeling about the storm out west." So we busted west on 20, and ended up getting this distant but large tornado near Mineral Wells, from a storm that wasn't even on the radar when we left our apartment. I'm out of breath because I had to keep running up and down the highway as the tornado moved behind the treeline

 
As a line of storms approached central Oklahoma during the late morning hours, I noticed several individual cells within the line were showing signs of rotation on radar velocity. Norman was north of a warm front type boundary, socked in with low clouds, temps in the mid-60s and easterly winds. However, Oklahoma Mesonet obs showed a distinct wind shift from easterly to southeasterly a couple of counties south of Norman, and partial sunshine through a thinning cirrus deck to the southeast was helping boost temps into the low to mid 70s over southern Oklahoma.

Keeping in mind the potential for storms to interact with the boundary south of town, I left Norman around 12:30pm CDT, hoping to make a play on the southern end of the approaching line of storms and be there "just in case". After a few data-check stops, I started to zero in on the tail end storm west of Maysville, OK. Saw this large, low wall cloud NW of Maysville about 2:25pm CDT.
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Surface flow was from the east-southeast and the air in front of the storm was warm and humid (The Pauls Valley mesonet station reported 76/68 at 1:35pm). Storm inflow increased and rotation tightened, helping to spin up a small but nice tornado around 2:40pm. It lasted almost 2 minutes before dissipating.

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Followed the storm E and NE through Wayne and to the SE of Purcell/Lexington. It looked like the original meso got cut off from the inflow as the storm moved over Purcell...ne-of-wayne.jpg
...and a new circulation developed to its east. May have seen a couple more brief funnels east of Lexington, but it was hard to tell with trees in the way.

Jumped SW toward the Grandfield storm and actually passed by the Ryan, OK, storm on my way into Texas. When I drove by, that storm had no wall cloud or inflow features whatsoever. It must have *dramatically* improved about 30-45 minutes after I let it go.

Ended up following a tornado-warned storm from near Jacksboro, TX, to SE of Decatur. Even though radar velocity showed strong indications of a tornado near Runaway Bay between 9pm and 10pm CDT, trees and terrain made it difficult to get a view. Around 10:30pm CDT, radar velocity indicated a possible developing tornado SE of Decatur and a new tornado warning was issued. I was able capture this low-contrast image looking NW directly toward Decatur from the US-287/TX-114 junction at around 10:40pm CDT. Maybe the left and right edge of a meso? It was so difficult to tell what I was looking at because of all the trees.decatur.jpg
 
A pretty crazy chase day for me. Managed to score tornadoes on a third consecutive solo chase. This chase also provided plenty of practice dealing with core punching and hydroplaning.

I left Norman around 1 PM with an initial target somewhere in the eastern TX PH or far W OK. I was going to sit around the OFB/WF and hope something popped and moved straight east. I punched through core #1 on I-44 just northeast of Chickasha. I only mention that because it was the first of about four in which I would punch through blinding rain and hydroplane so badly I could barely manage 40. I never gave that arm of convection swinging northeast through C OK any credit because it was cloudy all morning in Norman and it was something like 64/61 when I left, so I figured those storms wouldn't have enough instability to work with to do anything. Sure enough, just after I pass Lawton, tail-end Charlie produces tornadoes just south of Norman. wtf...

I was starting to have doubts about my target area lighting up at all. By the time I got to Altus, I couldn't justify going any further west. Seeing new but disorganized convection now all around me, I semi-jokingly thought to msyelf, "as soon as I plow west too far to come back east, something between here and Wichita Falls is going to go severe/tornadic." Sure enough, after only 10-20 minutes sitting in Altus, two storms materialized out of the junk to my south and east. I decided that would be my play and turned around. Within 10 minutes of leaving Altus, the southeastern storm went tornado warned. I had to punch through its little brother to the northwest on my way between Snyder and Frederick (core #2). The CGs were a little more aggressive with this one than core #1.

I popped out just north of Frederick and decided to go east rather than south, which would cause me to punch into the back of the now tornadic storm passing over Grandfield at the time. I was able to make pretty good time on OK-5 east of Frederick despite the quantity of water everywhere. The fields were lakes; the road had puddles all over. In some spots I was weary of water over the road, but I never came up on any. It got really hard, though, once I was between OK-36 and U.S. 277 southeast of Chattanooga. It was pretty much a constant atomized rain with 30-40 mph easterlies along a section of road with a narrow shoulder and tons of water on it. Eventually the winds backed to the north and I began to worry that I was driving right into a circulation. Radar suggested there was a broad meso in the area, but nothing tornadic looked apparent.

I made the turn south on U.S. 277 and the CG barrage on core #3 began. I wish I had recorded more. CGs all around me, some hitting within a second or two.Then the RFD winds tried to blow me off the road for a few miles before I finally popped out of the south end of the cell near Randlett. It didn't look like that storm was going to reorganize, so I gave up on it and decided to head east towards the yet undisturbed air where new development was occurring.

Before I even got to Waurika I was already disappointed, as the new storms looked to be immediately congealing. Although two separate cores had some rotation, it didn't look like any of it was intensifying. I decided to give these storms one last chance before I was ready to turn around and head home. I clipped the northern and eastern edges of core #4 on my way south towards the river. To my delight, one of the storms finally began to look like a supercell on radar as it approached the river. I stopped a few miles north of Terral, and the +CG barrage began. There were strikes occurring every few seconds in all 360 degrees around me, some well removed from the updraft and precip core. I was too afraid to get out of my car to shoot better photos because of the proximity of many strikes.

The storm appeared to form a wall cloud, but it never really appeared to organize that much. Seeing a tornadic storm 60 miles to my southwest in TX, I contemplated dropping this storm in favor of the one to the south. For whatever reason, I just never dropped this storm, and I'm glad I didn't. After the RFD/hook precip began to move in, I moved back north to try to get on its north side, because that strategy seems to work. I didn't see anything, so I turned back south. When I looked to my west, I saw a suspicious tapered lowering on the south side of the RFD precip (?). It had noticeable vertical motion low to the ground and was rotating a bit. It was coming right at me. So I zoomed down the road about a half-mile and watched it cross U.S. 81 north of me. I couldn't see any ground circulation, but I saw tightly wrapping rain curtains as it entered the field. Other chasers confirmed they saw whirls at the ground, so I guess that was a very weak tornado.

I turned to the northeast to watch it in the field because I still wasn't sure. That's when I noticed several cars coming back north. I turned to watch them and caught the base of the storm back to the northwest rotating rapidly. It was about to produce a tornado!

This tornado started off as a cone, then wedged out briefly before dissolving into a few suction vortices. Within a few minutes, it had become wrapped in rain. It wasn't weak, and it had a bit of a roar to it (definitely some Brown noise as opposed to pink or white noise).

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Looking back to the east, it appeared the storm had gone cyclic, as there was a large ominous lowering back to the east where I had seen the first tornado move off. It was rotating and had fingers coming down, some looking like they were throwing up dust at the ground.

I was so glad I had passed by E2120 Rd previously, because I knew it to be paved, and it went east for a long time. Wanting to avoid driving north into blindness and potentially a strong tornado, I took this option. While the pavement became intermittent after a few miles, the road was in great shape, and I was able to fly east. I nearly killed a dog that ran off his driveway onto the road as I flew by. It was brownish red, the same color as the road, and it ran up to my car from the side, barking at me the whole time. I came within 2 feet of ending its life. I'm very glad I didn't hit it, though. The storm looked like it was putting out funnels below the dark base left and right, but nothing ever came very far down until I turned back north on N2940 Rd. It was along this stretch that I witnessed at least two more tornadoes, one coming from an anticyclonically rotating wall cloud.


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The storm was basically done producing tornadoes after that stretch. I did eventually follow it to Ringling where I decided to enjoy the dying core. As I began that venture, however, the storm began spitting out another insane barrage of CGs. Many hit close enough to jolt my car. I managed to get one or two on video before my camera battery died. Very entertaining end to the chase. YouTube link to short video:

I met up with Alec Scholten and Stephen Jones in Ardmore for a steak dinner. While there, a new storm prompted a tornado warning just to our west. It was moving so slowly, however, that we had more than enough time to eat a full meal and leave before it ever got there.
 
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