0 hr RUC frontogenesis and omega valid 1/18 10zNotes:This RUC 0-hour cross-section, taken from northern New Jersey to Lake Ontario and valid at 12z on the 18th, shows a pronounced mid-level frontal zone over the western Catskill mountains, with an associated area of upward vertical motion around 8 microbars per second.![]() Slide 29 |