See Twitter for the comic image.

Sources:

  • https://www.theweatherprediction.com/habyhints2/457/
  • https://www.weather.gov/source/zhu/ZHU_Training_Page/winds/JetStream_Stuff/300_200_chart.htm
  • https://en.wikipedia.org/wiki/List_of_birds_by_flight_heights
  • https://www.weather.gov/source/zhu/ZHU_Training_Page/Miscellaneous/chart_comparison/chart_comparison.htm#COMPARISON
  • https://blog.weather.us/why-do-upper-level-ridges-result-in-warm-weather/
  • https://www.keyc.com/2020/06/16/upper-level-ridge-our-hot-temperatures/
  • http://www.atmo.arizona.edu/students/courselinks/fall12/atmo170a1s1/lecture_notes/sep26.html
  • http://www.atmo.arizona.edu/students/courselinks/fall12/atmo170a1s1/lecture_notes/ul_charts/ul_charts_pt2.html
  • http://www.atmo.arizona.edu/students/courselinks/fall12/atmo170a1s1/lecture_notes/ul_charts/colored_p118a.html
  • http://www.atmo.arizona.edu/students/courselinks/fall12/atmo170a1s1/lecture_notes/sep05.html
  • http://www.atmo.arizona.edu/students/courselinks/fall12/atmo170a1s1/lecture_notes/sep12.html
  • http://www.atmo.arizona.edu/students/courselinks/fall12/atmo170a1s1/coming_up/week_3/lect9_upper_level_charts.html
  • https://www.e-education.psu.edu/meteo3/l6_p8.html