Halts a spell that is causing rain.
Probably a counter-jinx.
References from the canon
- Arthur Weasley recommended this to Ron while the latter was disguised as Reg Cattermole, saying it had worked for Bletchley (DH13).
Magic Type Jinxes and hexes
Incantation Meteolojinx Recanto
Pronunciation mee-tee-OH-lo-jinx ree-CAN-toh
"meteorologia" Gr. meteorology + "jinx" + "recanto" L. to recant; to charm back, charm away