"I requested somebody from Magical Maintenance to sort out my office, Cattermole. It’s still raining in there."
Corban Yaxley to Ron Weasley (disguised as Reginald Cattermole)[src]

The Atmospheric Charm (incantation unknown) was a type of Weather-Modifying Charm, which was used to create certain weather condition indoors. It could be removed with Meteolojinx Recanto.[1]


Ron Weasley: "I’ll go and sort out Yaxley’s office – but how do I stop it raining?"
Hermione Granger: "Try Finite Incantatem, that should stop the rain if it’s a hex or curse; if it doesn’t, something’s gone wrong with an Atmospheric Charm, which will be more difficult to fix, so as an interim measure try Impervius to protect his belongings –"
Hermione Granger and Ron Weasley discussing how to fix broken Atmospheric Charms[src]

The famous Magizoologist Newton Scamander was known to have cast various highly intricate and powerful atmospheric charms in his magically expanded suitcase, which he used to house his various magical creatures, to create weather conditions suitable to the habitats of individual creatures, in order to adequately house them.[2]

During the height of the Second Wizarding War, when Lord Voldemort was in control of the British Ministry of Magic, several Atmospheric Charms in the Ministry malfunctioned causing rain in offices.[1]

It caused these effects in Bletchley's office and in the office of the head of the Department of Magical Law Enforcement, Corban Yaxley. Bletchley successfully removed it himself, while Yaxley assigned Reginald Cattermole — who happened to be actually Ron Weasley in disguise — to fix the malfunctioning charm.[1]

Behind the scenes

  • The fact that Atmospheric Charms are known to be used in office spaces (and can malfunction, requiring custodian intervention) might be a nod to real-world air-conditioning.


Notes and references

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