Chase Wilson
@DualDoppler
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Meteorologist/Radar Analyst @tnvalleyweather • I have an X-band, and I’m not afraid to use it • Working to fill the TN Valley Radar Gap
Huntsville, AL
Joined August 2021
This is why we can’t let this lunacy fester. Radars. Are. Tools. Not. Weapons. I’m sure this is one of those crazies that did this. The confluence of our failing education system and mental health crisis only gets worse by the day, and this is the end result.
A vandal knocked out News 9’s weather radar in OKC—then took out the cameras, but not before one got his face. Here are the details:
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Looking back at the ARMOR data from the 5/20 tornado near Tanner, AL that prompted a tornado emergency for portions of Madison and Huntsville, it really shows you their reasoning for that TORE - KHTX was too coarse and too distant, but ARMOR was a positively spooky signature.
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It’s difficult to play a solo on guitar if you’ve tied one hand behind our backs and chopped off the other… more cost-cutting nonsense from big-wigs who don’t see the terrible impact in what they’re doing.
There's a lot of bad news in the NOAA budget release, and yes there are going to be negotiations over the next few months. But what's baffling to me is the complete elimination of the OAR labs, especially NSSL. Like, no one in Oklahoma is going to stop that from happening?
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I note this happens most often with high plains tornadoes (La Grange 2009, Dickens, Campo 2023 etc, each in Nebraska/Colorado). I speculate it something to do with the lower ambient surface pressures of the environment perhaps effecting early (& late) lifecycle vortex stability.
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Gary tornado that occurred earlier this evening underwent countless what i’ll call Vortex Shedding Events (VSE?) during the 1st 1/2 of its life. Pressure transients/perturbations inside/around this tornado must have been fascinating (resultantly, this tornado clearly was violent)
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Well that’s something you don’t see every day, and proof why you should NEVER rely on your most baseline knowledge of radar to prognosticate tornadoes. A TDS that is disjointed, associated with nothing but what SEEMS to be light showers, and effectively no couplet on velocities !
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Even though dual-pol is still relatively new to NEXRAD (that is, having been fully installed for ~12 years of NEXRADs 35 years), dual-pol itself is no spring chicken. Here’s some zdr/reflectivity data from 1983 (with early experiments going back even to the mid-1970s)!
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With recent tornado reports coming in, 2025 is now, to date, the most active tornado year since 2011
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Didn't take long until we got the example of a lifetime of non-uniform beamfilling last night. if you see a CC drop far from radar, behind heavy precip. check your work. match against differential phase shift (phi) to find downradial attenuation sources b4 you call a TDS!
@DualDoppler I need you, AMERICA needs you to tell some of these people that Non-Uniform Beam Filling is NOT debris in the CC data. Godspeed, Godbless. Vaya Con Dios.
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This single-gate tornado with a subtle TDS likely just impacted a few chasers who it took by surprise. Important to work in the constraints yr given @ night, in this case the resolution of NEXRAD. shallow/narrow vortexes in turbulent environments does not a safe chase make
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I’m not sure if this is a tornado or not near Almont, North Dakota, but honestly with winds of this magnitude i’m not sure it matters. Maybe the strongest unambiguous wind swath signal i’ve ever seen on NEXRAD
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Found a small path of damage from the intersection of Crews St and Massey in Lawrenceburg, to the intersection of Martin and Weakley Creek Rd. A couple snapped trees, and an under-construction frame toppled. Couplet was very visible on our X-band just 100 yds away! @NWSNashville
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Absolute tornado mayhem in Illinois right now, I am absolutely baffled. Just as soon as one is warned, ANOTHER unwarned massive TDS blossoms, this time nearing Pleasant Plains IL!
Deep, unwarned TDS near Ashland, IL! These things are coming out of NOWHERE
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Incredible totally disjointed TDS continues in Ashland. Shockingly, still no warning on this one
Deep, unwarned TDS near Ashland, IL! These things are coming out of NOWHERE
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Deep, unwarned TDS near Ashland, IL! These things are coming out of NOWHERE
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Disjointed and very deep debris ball moving right towards Philadelphia, IL is a sure sign of an intense tornado
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You literally can't beat this
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Freddy McKinney casually bagging TOTY in Nebraska right now
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The legendary Gary England had passed away at the age of 85. A tremendous loss to this community, as well as to those he served… he is one of the reasons I got into radar how I did, dating back to the days of MOAR and his expertise on air as a kid in Oklahoma.
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Absolutely beautiful supercell on our Lawrenceburg, TN Arctic Air SkyCam right now. Has had a wall cloud at times
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