As soon as the word 'Ready' came out from his mouth, the rain poured down on him and he was soaking wet. Wait. He's not supposed to soak, its the purpose of this spell. To protect them from this. So his first attempt was failed.

Messer took a step backward from the cloud and cast the spell "Protego Caelum!" he made a clock-wise circular motion and added a quick steady flick. Hopefully this time it work.

The third year went back to stand under the could and told it that he's ready. He grinned widely when the spell worked. The rain didn't effect him at all. He was still standing under the rain when the Professor banished the raining clouds away.

They will be facing hurricane? GULP.