afischer
EF4
This is due to the lower dewpoints which in turn leads to much higher LCL's as RDale points out above. LCL's of 3.5 kFT still don't excite me all that much.
Here's a good refresher from Jon Davies on MLLCL heights & tornadic supercell potential. http://members.cox.net/jondavies1/tornado_fcsting/attributes_tbl_explain.gif
