youtor.org
Meteorological Breakdown Deep South Tornado Event Underperforms November 20 2023
#############################
Video Source: www.youtube.com/watch?v=K1-8fm39IDY
In-depth meteorological breakdown of the tornado event that occurred across the Deep South on November 20, 2023. While forecasts called for significant, potentially long-track tornadoes, this did not come to fruition; we'll dive into the meteorology behind the event and assess some possible factors that may have inhibited significant tornadic activity. We'll also discuss the meteorology behind the surprise tornado that occurred the day before in Star Valley, AZ. • Star Valley, AZ tornado video: https://www.facebook.com/100000020754... • David Blanchard article on northern Arizona tornado environments: https://www.weather.gov/media/fgz/sci... • Contents • 0:00 Introduction • 1:00 Discussion of surprise Arizona tornado (Nov. 19) • 17:53 November 20 event breakdown begins • 18:19 Meteorological overview • 27:59 Possible failure mode: 500 mb trough progression • 37:18 Possible failure mode: weaker low-level shear than forecast • 40:35 RAP proximity sounding analysis begins • 44:34 Possible failure mode: 700 mb warm nose • 49:47 Possible failure mode: dry air aloft • 52:38 Radar overview of most notable supercell begins • 56:16 Surprise large hail production, possible causes • 1:00:30 Wrap-up
#############################
