12Z BUF Sounding
4 to 6 hrs Prior to Event
•40 kt 850mb wind
•Unidirectional flow through 700mb < 20 degrees of shear in the cloud layer
•15 to 25 knots of speed shear
•Cape=26 J/kg
•EL=785mb (6.1kft)
•Steep 1000-850mb lapse rates
850mb temp -15C (moderate instability)
Steep low level lapse rates through 850mb
Uni-directional wind field through 3.5 kms
Very strong low level wind field