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Larry J. Kosch

This Thread is being started due to NOW reports from storm chasers that are currently tracking storms and tornadoes. Post your chase reports here. 8) LJK

P.S. Slight correction of Thread heading (Date, Report, Locations) LJK.
Ok, first let me apologize to the storm chaser community as it seems I am extremely bad luck right now. The Southern OK storm held together another 30 mins after I arrived then it was all outflow from there. Sorry about that guys, I know it was my bad luck that changed things for the worst.

Now 3 days in a row and 3 supercells cut off by a storm and the organized meso and good looking storm gone. My luck is not good at this point :cry: <-Yes that smilie is crying

Full report soon, once I get through the 21st video
Yeah Chris I feel the same way. I got to Duncan right before the rain shaft did and got around the RFB just East of Duncan on hwy 7. I followed the storm for awhile on hwy 7. It had a nice wall cloud and beavers tail but slow broad rotation. That seems to have been the case for the majority of the storms this whole week. I dont know about the storm before that, I heard reports of a tornado but have not yet confirmed. Was anyone on the storm from the beginning?
Well, I didn't like today from the beginning. With shear vectors along the front in OK, the storms were likely to go linear rather quickly. Additionally, ~700mb is quite weak. Again, like Weds., mid-level flow was quite weak, which tends to favor HP formation. As it seems, the cell south of Lawton was HP before gusting out...

Whatever the case, I was just sitting around, and decided to look at radar. Lo and behold, I saw a monster supercell south of Lawton. Well, I gathered my stuff quickly, had to drop off my gf in Moore, then headed south on I-35 with a friend. we went west on Hwy29 through Elmore City and then south on 76. We then skipped west on Hwy 7 towards Duncan. West of Duncan, we took a po-dunk road south as we couldnt' decide if we wanted to pay attn to Duncan area or more towards Comanche area. Well, we stopped halfway between the two to as we heard signficant rotation reported near Duncan. It was semi-impressive for short while too... As the storm approached, we made our way back to Hwy7 and east towards Velma. It was very obvious at this time that it was becoming outflow dominant. We experienced some strong winds (~45mph) west of Velma. Other than that, nothing very impressive.

Again, I think our shear profiles needed some help. This storm, which started as an excellent supercell, likely fell victim to weakness in the flow around 700mb (which was likely only near 5-10kts storm-relative), and the alignment of the shear vector parallel to the front.

This kind of seems to be recurrent thus far this year -- we just seem to be missing one thing each time. Earlier this week it was surface moisture (~60 tds), and since then it's been a general weakness in storm-relative winds at some level. I'm still quite surprised, as I don't think northern TX has had a single real tornado event thus far this year, and it's already almost May. Hopefully as we get into May (or mid-late next week if the Gulf doesn't get wiped by the currently-developing system) we can get into a more typical synoptically-favorable tornado pattern.

P.S. -- I was reminded why I don't like to do "warning-chases". When I don't like the situation, and decide not to chase, but then chase based on a tornado warning, they often tend to be short-lived (thus the reason why I chose not to chase to begin with usually)... Oh well... Couldn't deny that sw OK storm based on the very nice radar appearance.

Chris: LOL Sure I accidentally hit the N key... hmm... err... lol
Jeff please tell me you were hitting the N key accidently? Velna? VELMA, why mispell my hometown incorrectly?! :wink: j/k bud, just giving you a hard time :D
Did anyone get any pics or video of the Tornado reported east of Duncan? I was on the storm for most of its lifecycle from Walters on, but I did miss a few minutes repositioning to Highway 7 going east to Velma. So I might've missed the Tornado then, if there was one.
Headed out around 12:45pm, targeting the area south of SPS. As we approached the TX border, we were hearing about the multiple storms firing along the boundary in N Texas. Fearing the realtively weak shear would cause multiple storms to fire and compete (thus dis-allowing any discrete cells to mature), I ignored the storm moving across the river into southwestern Tillman county. (I had said to Jo before we left, "If I mention anything other than chasing along the boundary today, slap me." She shoulda slapped me...

After hearing spotter reports of "suspicious lowerings" and the radar guy talking about a developing notch, we stopped in Holiday to call Dwain. He told me the Tillman CO storm was along the boundary/dryline intersection, but that there was also an isolated cell near Haskell. I figured the Haskell storm had a better chance of staying isolated, so we bailed and kept going south. A few minutes later, the spotter reported that the "mean-looking cloud" had vanished, so I was thinking we'd made the right decision.

About 2 minutes after that, I hear over the scanner: "BREAK - TORNADO."

Long story short, the original boundary storm went nuts along the river while our storm conveniently lined out just as we reached it (although it reportedly produced a tornado earlier).

The last chapter of a horrid, disappointing week. Four days, four chases, all had tornadoes, and we saw ZERO. The bonus is I all but broke myself doing it, lol. So now it's back to work for a few weeks to catch back up, then hope that things are good later on in May/June.

This is now officially "The Black Week of April." This week will live forever in Shane Adams lore as the single-most disappointing/costly week in history. Yea.............. :arrow:
Like others I was wanting to blow this day off as well. But when I saw that big supercell on radar between LAW and SPS I couldn't help myself. Got to cell around Ratliff City where I saw a bunch of other chasers, spotters, media, etc. Cell was looking very outflowish at this point and fizzled pretty rapidly after that. Heard about new stuff going up in Marshall and Johnston Counties and briefly entertained thoughts of going after that but by this time there was only about an hour of daylight left and I was still a good ways west of it so I turned around and went back.
Like many others, underestimated start time of show. Nonetheless was in position to intercept Haskell storm near Throckmorton. Although HPish and somewhat linear at that time, the storm made couple of attempts to regroup;however, each met with outflow kill soon. A third significant last gasp came near Olney; which coincided with about the time the line had broken. Nice wall cloud formed along with briefly exhibiting rapid upward scud movement into base. So, while no tornado was not bad chase as some nice photos of storm structure.

8) Meso madness will soon arrive (optimistic thoughts).
Dropped southwest on I-44 shortly after tornado watch was issued...and like many others, I was already planning a route on intercepting the storm in Haskell County, because I thought that was going to be the show...

However, thanks to a great nowcaster heads up, we were alerted to the consolidating cells in Tillman County, and since we were in good intercept position, headed east on Hwy 70 just north of the Red River and toward Grandfield.

Got to the wall cloud, with moderate rotation, about 3 E of Grandfield on Hwy 70. Shane, perhaps this will clear up the spotter reports you heard of "tornado on the ground"...

Basically, the meso was really close to the ground. There was some condensation near the ground and dust was being kicked up below the wall cloud, and for a second, we had a funnel above the dust. However, the rotation on the ground was quite slow, so....I dunno. I've went back and forth on it all night. I did report this to the NWS in OUN to see if they wanted to verify the warning by taking a look at our video. They may do that early this week, we'll see. I very seriously doubt OUN will verify this report 1 S Grandfield.

In addition, to note, a small landspout formed to the south and moved away from the meso. It's hard to determine if any of this was a "tornado", but it was really nothing of substance...just some dirt being kicked around at low rates of speed. Of course, I thought at that point that the storm was ready to go bonkers as it went NE, and after I heard how good the storm looked on radar, I was pretty optimistic about this being the first really long-tracked tornadic supercell of this 3-day setup. However, I was for the most part wrong again. Wall cloud was pretty menacing for most of it's lifecycle.

Hopefully will have some vidcaps/video/still images soon....but nothing to get too excited over. 3 days, 6 supercells, and really, no real tornadoes. Yak!
Originally posted by Chris_Sanner
Did anyone get any pics or video of the Tornado reported east of Duncan? I was on the storm for most of its lifecycle from Walters on, but I did miss a few minutes repositioning to Highway 7 going east to Velma. So I might've missed the Tornado then, if there was one.

Someone can correct me if I'm wrong, but I don't think this storm ever actually produced a tornado. I'm just hearing this through the grapevine so I am probably wrong, but I heard that all the stuff that was reported was actually your typical "sheriff-nados".
Originally posted by Melissa Moon+--><div class='quotetop'>QUOTE(Melissa Moon)</div>
Did anyone get any pics or video of the Tornado reported east of Duncan? I was on the storm for most of its lifecycle from Walters on, but I did miss a few minutes repositioning to Highway 7 going east to Velma. So I might've missed the Tornado then, if there was one.

Someone can correct me if I'm wrong, but I don't think this storm ever actually produced a tornado. I'm just hearing this through the grapevine so I am probably wrong, but I heard that all the stuff that was reported was actually your typical "sheriff-nados".[/b]

I was pretty sure that was the case, but couldn't say for sure since I was off the storm for 10 mins in between Comanche and Duncan.
I and my partners for the day Bill Turner and Jason Boggs targeted an area WSW of Wichita Falls near Benjamin. We left from Amarillo and headed down 287 to Quanah and dropped south on hwy 6. About the time we got to Crowell he started gettting reports of storms building SW of Aspermont heading NE towards the Haskell area. At this time we were still North of the warm air and had north winds.

WE took a small farm to market (cant remember the #) that cut SE from rochester to just west of Haskell. We did have to come in through the backside of this storm but ran into nothing but heavy rain and pea size hail. As we got to the intersection of 380 and that FM road we could clearly see this large menacing wall cloud just a few miles to our SW. We headed east towards Haskell and stopped about 1 1/2 miles west of the town. Sonn as we got out to take a look and set up our tripods to get some video it dropped a small ttornado. it was only down maybe 15-20 seconds and never did have a full condensation funnel. I never even had time to turn my camera on so I missed it. Jason may have it but We got back so late I havent confirmed he does yet. I am guessing this is the same one that was reported 2 miles south of Haskell on SPC.We then drove through Haskell to about 2 miles east so we wouldnt get caught in a traffic jam with this thing moving through town.

As we set up again just east the sirens started going off in Haskell. The wall cloud was really getting cranked up with good vertical motion in the scud and pretty rapid rotation. We just kept moving east a few miles at a time staying just ahead of the wallcloud. We ran into (as usual) David Drummond and chased together most the rest of the day. The storm staryed to loose its supercell characteristics and developed a shelf cloud and became outflow dominant. We had a number of good gustnados close by including one that went right doen the fence line beside us and then onto the road up ahead where some "local boys" had come out to see the chasers. They had no idea this wasnt a tornado and went scrambling for their truck thinking they were going to get sucked up. That video alone was worth the entire trip :lol: I also has a gustnado right after that about 100 yards away that looked to be multiple vortex. never seen that before. We moved east again a few miles ahead of the outflow and stopped again about 5 miles west of Throckmorton where we witnessed a large gustnado just North of the road moving SE. A spotter and chaser reported this as a tornado (check SPC) but this was definitely a gustnado like the ones we had seen right before and not a tornado. it was under the shelf cloud in outflow winds and there was no rotation above it at all so sorry guys but that report was inaccurate.

David then discovered he was dropping oil. He had hit some debris in the road (a rock he thinks) and put a hole in his oil pan so he went ahead on into Throckmorton for repairs. This storm was starting to line out and we had reports of another storm going up SW near Anson so we dropped south on 283 and headed for Albany and then west on 180 where David caught back up to us. By the time we got to this storm it had lost its hook but was dropping large hail in Anson. We were now getting tv coverage from Abilene and could see a storm near Sweetwater that had some rotation in it. We decided to play this storm as it was all alone south of the line. As usual by the time we got to it it had split and gusted out but was trying to rebuild SE of Sweetwater. We dropped south on 70 and then came back up NE on 277 towards Abilene.

We came up on a wreck where a pickup had spun and backed into a rock cliff but law enforcement was there so we kept going. A few minutes later we came up on a SUV that had hydroplaned and spun up onto an embankment and through a few shrubs. Nobody was there yet (just happened) and since I and david are both first repsonders we stopped to help but the guy was not hurt. An ambulance responding to the first wreck came by and stopped at this one thinking it was their wreck but I told them about the one further up so they called their dispatch to let them know about this one and asked me to stay for traffic control until DPS arrived since I have red/blue lights. After responders got on scene we drove on into Abilene and decided the chase was over and to eat and go home (alot of flooding in Abilene). In all we drove 740 miles and caught 1 tornado, a few great gustnadoes, and some funny video. David will be updating his page with a report soon I am sure also with pics.
Originally posted by Melissa Moon+--><div class='quotetop'>QUOTE(Melissa Moon)</div>
Did anyone get any pics or video of the Tornado reported east of Duncan? I was on the storm for most of its lifecycle from Walters on, but I did miss a few minutes repositioning to Highway 7 going east to Velma. So I might've missed the Tornado then, if there was one.

Someone can correct me if I'm wrong, but I don't think this storm ever actually produced a tornado. I'm just hearing this through the grapevine so I am probably wrong, but I heard that all the stuff that was reported was actually your typical "sheriff-nados".[/b]

The tornado event I heard live coverage of on the scanner was 4 west of Grandfield, not 1 south. In fact, the guy said it had begun to weaken and dissipate soon after it passed south of town. He was west of Grandfield throughout the duration, and described it as a large dust bowl under a rotating wallcloud, and commenetd a minute or so later about multiple vortices and increasing rotation on the ground. I saw a video of this on KWTV and it looked like a tornado to me. There was never a condensation funnel, but that is moot.

As far as the Duncan thing, never heard a word until the local news, where they had interviewed a guy who's truck had "been picked up on one side" byt the supposed tornado. Gary England commented that there had been "several small tornadoes along the storm front," which is simply a dumb-downed way to explain to 150,000 viewers that "these were actually gustandoes." I've noticed that local TV mets prefer to catagorize gustnadoes as "weak tornadoes" to their audience; it's just easier than trying to explain the differences, and it helps ratings.

But to make my point, based on the live reorts I heard and the video I saw, I'd call the thing west of Grandfield a tornado - without question. WX5OUN (Mike) didn't seem the least bit skeptic while issuing the tornado warning moments later.
I was starting to feel desperate to hear some firsthand report off of the Lawton cell yesterday when it was at it's peak ... see now that Roger Hill came through (can't believe I ever doubted) ... part of his report:

Caught the supercell that crossed into the Grandfield, OK area as it developed just east of Vernon, TX. This BEAST developed a HUGE bowl shaped wall cloud just south of the Red river that morphed into a rather large, but fairly weak multivortex tornado as it crossed the river. We stayed with this monster through its demise well east of Walter. I was on it when the spotternado reports came in for a tornado 4 northeast of Grandfield. It was a LARGE RFD dirt plume kicking up and being injested into the updraft, NO tornado, I beg to differ with those reports. There were also several large gustnadoes at this point on the outflow.

Guess we'll be able to see the video at the end of the season, along with the other 947 incredible events he chased.
I guess I am noticing that there where a number of "tornado" reports from spotters and law enforcement that were actually gustnados. Not just on the storm I was on but the one in Oklahoma as well. I cant believe that some spotters and chasers cant tell the difference. Think some retraining is needed. If you dont know storm structure and are calling in reports of tornados on the leading edge of a gust front with no circulation above it or an RFD dust foot then you dont need to be calling in reports at all.

Just my .02 worth

At least I can confirm 1 small tornado just wsw of Haskell.

Departed Bob C's in Norman late; around 1pm CT; as Melissa Moon had to put on her face for the chase... it also should be noted that I picked up on the TOR watch late and wasn't concerned about departing at hazy high noon. Thus, Gary Wellman, Melissa Moon, and myself targeted the Duncan, OK region E of Lawton. Arrived to a murky beast'O'cell at Duncan, then headed W out of Comanche on HW53. Massive meso/wall cloud observed over HW53 E of Walters. Stopped apx 2-4 miles E of it and tripoded/shot stills. Followed this beast which phased on/off, then morphed into a massive HP (unless one would consider it HP for it's entire life cycle). Backtracked towards Corum, then headed N on "local road" (???) and followed it back towards Duncan. Went E/SE on HW7 out of Duncan staying ahead of the now more linear looking blob. Flat tire and other random debacles (see below) - called off the chase and headed back to Norman.


Following dinner in Norman around 1am Friday; finally caught some sleep before being awakened at 8:07am CT by Bob Conzemius's cat Sydney. Informing me the updated SWODY1 was now out, I proceeded to get up and check on it. My previous days target of SPS to Lawton was still holding. No rush; got up, took a shower... and it should be noted that Bob C's cat likes to do his bathroom business while one does their's... alas, that proved to be an awkward start to the day. Following this debacle, Bob proceeded to ask Syndey about SPS... Syd agreed that SPS was a good starting point... alas, looked at data and began my chase log from the day before.

Gary Wellman called me around 11am CT; stating he was heading over to Bob's -- Bobcat had left for OU to work on his precious PhD, so he wouldn't be able to chase until later in the afternoon. Gary arrived; continued looking at data. Called Melissa Moon who was still being a slugabed around this time; but she soon awoke and got her act together. Now around 12:30pm CT, Mel called informing of a TOR watch just to our W/SW. Great, early convection :0( --- Told her not to rush, but that I'd like to depart around 1pm. Melissa and her VW bug arrived around 1:20pm CT and we departed for Duncan. Gary had live Barron WXWorxs radar in the vehicle, alas, I was spoiled with real-time radar the entire trip S on I-44. The SPS cell took off along the boundary; split, and became quite the beast. This must have been the time Roger Hill was observing his tornado prior to it crossing the Red River. TOR warning went up for the cell as it moved NE towards Temple.

At Duncan; Scott Weberpal called inquiring if we were viewing a tornado yet. Nope... alas, bathroom break/top off the gas tank stop ensued, and we headed S towards Comanche and HW53 W. Shot W towards Corum observing the beast of April '04 -- massive meso (morphing into HP mode) with low base just to our W/NW (2-4 miles away). Stopped, tripoded/shot stills for apx 4 minutes before backtracking E on HW53. Let the meso follow us E (this seems to be a theme recently), then shot N on "local road" (??? just E of the Stephens Co. line) where we stopped again to view the low murky beast looming just to our NW. Decided to take an official wind measurement with my propeller beenie hat, measuring inflow of 15-20kts. KFOR drove past with cameras rolling, alas, if one sees video of a tall lanky doofus wearing a Wall of Voodoo "Tour of Virtue - 1983" shirt; coupled with a red/yellow propeller beenie hat... that's me.

Removing the beenie, we headed N on "local road"; and became halted momentarily by two puppies in the road. Continue N then shot E on "local road" (EW 177 RD). Now heading E from Gas City (there was defiantly some major flatulence ongoing there) continued back to HW81 S of Duncan. Headed N and briefly got into precip by driving N then E/SE on HW7 (under a nice low level inflow tail - made for some interesting video). Got well E/SE of the precip and tripoded again. As per the usual theme of 2004, yet another equipment failure befouled me; as my Canon EOS Rebel II 35mm still camera became problematic. Lost an half/entire roll of film.. alas, no more stills for the rest of the chase. Melissa laughed at me here, now being witness to my cell phone breaking in mid-conversation while heading home from the MN chase last Sunday, and now this; both of which are well documented on videotape.

Continued sticking with the storm on HW7; passed Gene and Karen along with Roger and others... once again, perfect timing to work on my Roger Hill impression/laugh while videotaping. The cell phased again, then morphed into a rainy blob. It should be noted that I left a water bottle atop my vehicle E of Velma; which I forgot about (being the scatterbrain I am), and drove off unknowingly. The water bottle proceeded to fly off my van, nearly missing the windshield of a vehicle directly behind me containing Howard Bluestien. Was my face red :0/

More chase-related debacles ensued; stopping at Ratlif City for a bathroom break. I noticed my left-rear tire was near-flat. Inflating it with air, and doing some quick tire-surgery; Gary inserted fix-a-flat while I proceeded to do a temp-fix with "regular flavored" Bubble Yum. It worked for the most part, albeit blowing a bubble or two while stopped. Proceeded E on HW7 where the recently purchased Dr. Pepper exploded all over me while mobile... how annoying! Stopped at another gas station to clean myself up and check on the tire before heading back N on I-35 to Norman.

Grabbed dinner in Norman with Mel, Dan Dawson, and several other OU grads... had a great time meeting/conversing with new people whom I had corresponded with/heard of before... yet never had met. Really makes me want to come down to OU for grad school in a few years.

Summing up... what a humorous and exciting chase! I would comment this could have very well been "the perfect storm" had 700mb winds been a bit stronger. Congratz to those whom observed a tornado with this beast. Many thanks to my chase partners Gary Wellman and Melissa Moon for help with data/navigation/other tomfoolery.

To nowcasters Chris Gullikson, Chris Novy, and Scott Weberpal... your help/opinions were extremely valuable... and thank you for taking the time out of your day to phone a little red minivan containing three wx. weenies (well, at least one, Mel who was dawning the OU WX. Weenie shirt).

Need to get an oil change/fix my flat tire now. Tired, but heading back to Kalamazoo tonight. Stills will be online from 22-23 of April in the coming week.

Not a lot to add to the above posts. We left Norman late (after class) with the intent to get down to the SPS area. When the storm moving into Tillman County had a reported tornado, we navigated a bit more east to intercept the storm at Walters.

While the storm was quite spectacular looking, I never saw the tornado or other things still being reported by that time. We moved east with the storm to Empire City before giving up on it as it lost it's interesting appearance and appeared to become strictly a hail distribution appliance.

Still hearing reports of interesting things in Texas, we moved south on US81. We met up with a group of OU undergrads at the intersection of US81/US82 and we all decided to head toward western Clay Co Texas to intercept the Olney area storm. We reached the FM1152/US114 intersection to soon find out the storm had weakened.

After this, we gave up and headed back home via SPS to visit with some chaser friends at IHOP in SPS.
Not surprised

When I saw dirt being kicked up on the leading edge of the strong outflow somewhere between Velma and Tatums, and condensation forming above it, seeming to almost connect to the cloud base, I was pretty sure that would end up as a tornado report. At a *glance* it looked like a landspout, but closer investigation quickly revealed it's true nature.

Beforehand, from Duncan and east of there, the wall cloud had weak, broad rotation. A couple weak, pathetic funnels formed briefly, but NEVER amounted to anything. Outflow dominated most of the activity.

This storm made the area look very dark around 5pm. Very ominous.

Jim Bishop
April 21-24 -Chase Stills / BS (Brief Summary)

Hi Everyone,

April 21-24 -Chase Stills / BS (Brief Summary)

It's actually nice to have a few days to NOT chase and rest up a bit and get caught up with things before the next trip. After 1 days rest I'm already looking ahead at the next chase potential. I have traveled over 4,000 miles chasing from April 16 - April 24

I just updated my website with stills from my April 21 - April 24 chases.


Take Care,
Dean Cosgrove
Finally getting around to getting some stuff posted up from this past week.

Here is some video of a brief tornado spinup a couple miles southeast of Haskell, TX. I had to enhance the contrast as it was low from my vantage point.


Jay McCoy and crew and I ran into a hydroplaning accident SW of Abilene later where we stopped to help as rescue crews were in route to another accident further down the road. Video of it here along with some of the flooding in Abilene


Might have to right click and save for best results. Probably be a few days before I get full chase accounts/pics up on my website.