Developmental environment and early evolution of the 8 May 2009 "Super Derecho"

Previous Slide: Next slide

Click here to go back to home page.

Slide 21 of 46

---

Notes: But LLJ strengthens markedly after about 05Z...in conjunction with newd passage of radar "clear-air bands" across region (not shown); similar pattern seen HVL profiler (slide removed); winds strengthened and veered significantly in the 1-3 km layer after 06Z, with a max of 38 m/s (76 kts) at 1.5 km at 1000 UTC.