Thunderbird12
(Meteorologist)
Tue Oct 18 2005 11:41 PM
Re: Vortex message

Pressure drop of 9 mb in less than 90 minutes... pretty impressive. The dropsonde into the eye measured surface winds of 13 knots, so the actual central pressure is probably slightly lower.

A dropsonde in the southern eyewall measured 82 kts at the surface right before that recon fix, which was actually slightly higher than the flight-level winds in that area. If the same relationship holds true in the northern eyewall, the max surface intensity is close to 100 knots. The flight-level winds in the northern eyewall increased from 75 knots on the inbound leg to 101 knots on the last outbound leg, in a span of about 3 hours.



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