San Antonio: 17-18 October 1998
Very high precipitation efficiency
Deep, warm cloud layer (4.25 km)
Low-level Gulf moisture is “untapped” until it reaches this one localized area of storm formation
Initially terrain is a low-level focus; later, weak outflows focus the low-level lift
Be aware of subtle triggers
It doesn’t require a steep mountain range for terrain to provide lift
Upper-level features may be most apparent in the remotely sensed data (satellite), but not in the models