Area 
Makes hail fall. The temperature must be above freezing. The main effect is to provide intense distraction to whoever is being pelted with hail; wizards must make a Will roll each second to keep their concentration. 
For 5 times the cost, the GM may allow really big hailstones, doing 1d-2 crushing damage per second.

Duration: 1 minute. 
Base cost: 1/5 (minimum 1). For damaging hailstones, base cost is 1. Same cost to maintain. 
Prerequisite: Snow

Item 
Staff. Usable only by a mage. 
Energy cost to create: 500.