A quick way to approximate the flight level winds to surface winds is as simple as changing the Flight Level speed, in knots, to Miles per hour.
70 knots at flight level is roughly 70 mph at the surface. 100 knots at flight level is roughly 100 mph at the surface.
I also notices the Center temperatures are inline with a strengthening Storm. Category 1 prior to landfall is a possibility. Based on the latest Vortex.
URNT12 KNHC 272151 VORTEX DATA MESSAGE AL022012 A. 27/21:16:00Z B. 30 deg 03 min N 080 deg 18 min W C. 850 mb 1358 m D. 62 kt E. 295 deg 24 nm F. 016 deg 73 kt G. 294 deg 27 nm H. 993 mb I. 12 C / 1526 m Temp outside the Center J. 19 C / 1527 m Temp inside the Center (7 deg inside/ outside spread) K. 13 C / NA Dew point inside the Center. (6 deg Temp/dew point spread) L. NA M. NA N. 1345 / 08 O. 0.02 / 3 nm P. AF308 0302A BERYL OB 06 MAX FL WIND 73 KT NW QUAD 21:07:30Z
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