wxman007
(Meteorologist)
Thu Sep 12 2002 04:20 PM
Not HF, but...

Here is the latest recon...

726
URNT12 KNHC 121820
VORTEX DATA MESSAGE
A. 12/1820Z
B. 27 DEG 06 MIN N
87 DEG 37 MIN W
C. NA
D. 35 KT
E. 143 DEG 49 NM
F. 219 DEG 41 KT
G. 135 DEG 101 NM
H. EXTRAP 1002 MB
I. 24 C/ 300 M
J. 26 C/ 314 M
K. 24 C/ NA
L. NA
M. NA
N. 1345/1
O. .1/8 NM
P. AF963 0209A CYCLONE OB 11
MAX FL WIND 41 KT SE QUAD 1745Z. SLP EXTRAP FROM 1500FT.
SFC CENTER 8NM EAST OF FL CENTER


In general, it is about a 10-15% reduction from FL to sfc winds.