The Collaborative International Dictionary
Anticyclonically
Anticyclone \An"ti*cy`clone\ ([a^]n"t[i^]*s[imac]`kl[=o]n), n. (Meteorol.) A movement of the atmosphere opposite in character, as regards direction of the wind and distribution of barometric pressure, to that of a cyclone. -- An`ti*cy*clon"ic, a. -- An`ti*cy*clon"ic*al*ly, adv.
Wiktionary
anticyclonically
adv. In an anticyclonic fashion.