Hail smaller than 1" in diameter is considered SUB-SEVERE. Severe hail starts at 1" and larger.
| Hail Diameter (In) | Description | |
|---|---|---|
| 1/4" | Pea size |  |
| 1/2" | Reg.M&M candy or Mothball size |
 |
| DO NOT USE MARBLE SIZE (too many sizes) |
 |
|
| 7/10" | Dime size |  |
| 3/4" | Penny size |  |
| 7/8" | Nickel size |  |
| SEVERE SIZED HAIL | ||
| Hail Diameter (In) | Description | |
| 1" | Quarter size |  |
| 1 1/4" | 1/2 Dollar size |  |
| 1 1/2" | Ping Pong Ball size or Walnut size |
 |
| 1 3/4" | Golf Ball size |  |
| 2" | Hen Egg size or Lime size |
 |
| 2 1/2" | Tennis ball size |  |
| 2 3/4" | Baseball size |  |
| 4" | Grapefruit size |  |
| 4 1/2" | Softball size |  |
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