Graham, I apologise for my mistake and causing you such travail - however I believe it is incumbent on contributors, we owe it to the CAS, to point out errors and keep standards as high as we can.
A lesson that can be learned is not to trust fickle memory when something (like 'stream') clicks, without double checking or at least thinking carefully; if I had thought I would have realised I had seen a very similar chart to the Hadley one, on the national TV weather forecast quite recently explainng the jet stream influence.
The subject program has a section on the W.Texas drought around Lubbock. I thought Andrew's 'Tornado' post recently, a video of huge trucks flying around Dallas/Fort Worth, came under the 'weirding' heading. So might 11 minutes of lightning striking the same area of Albuquerque:
But Googling 'Lubbock drought' does not suggest a recent change:
I must stop before I get into conspiracy theory or suggest a ley line DFW>Lubbock>Albuquerque>Phoenix