NMDA falls short

NMDA (in green) had problems picking up on the 1.3 slice circulation compared to DMD (in orange) and MDA (in cyan). This is a mid-level rotation at about 11K ft above sea level. This is about half an hour before tornado touchdown.

ZDR_Arcophile

Used GLM to Issue SVR

I’d been watching a multicellular cluster that was trailing a leading supercell to the north of Amarillo. Had been waiting on issuing due to ProbSevere and Mesh levels, but GLM FED increased and reflectivity / VIL /core height all responded so I issued a warning at about 2040Z