The last recon message, from Ivan, was transmitted at 2332Z/ 1932EDT. They used an older max flt lvl wind in the transmission. NHC had upped the windspeed in the 5pm advisory based on some other factor, as the last reported MFLWindspeed is shown below.
URNT12 KNHC 102332
VORTEX DATA MESSAGE
...P. AF984 1509A IVAN OB 29
MAX FL WIND 118 KT SW QUAD 2034Z
Looking back at the Vortex messages.
...P. AF984 1509A IVAN OB 24
MAX FL WIND 122 KT NE QUAD 2218Z.
This was transmitted at 2222Z-1822edt.
122kts=140.5mph at flt lvl or 126mph at the surface.