Through their powers combined, they believe that they use the staff to fire a big beam into the sky of a similar variety to yours, only this time it detonates in a big, iridescent white nova that clears all of the weather above the Everfree forest instead of making it worse. In an instant, the sun shines down upon the still pretty fucked-up looking forest, the wind dies down to a cool breeze, the pressure returns to normal, and the rain, hail, and lightning all get swept away.