Typical Raindrop Sizes
2017-12-21 星期四
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Typical Raindrop Sizes
|
Drop Size |
Terminal Velocity |
Rain Type |
mm |
in |
m/sec |
miles/hr |
Light Stratiform Rain (.04'' per hour) |
Small Drop |
.5 |
.02 |
2.06 |
4.6 |
Large Drop |
2.0 |
.08 |
6.49 |
14.4 |
Moderate Stratiform Rain (.25'' per hour) |
Small Drop |
1.0 |
.04 |
4.03 |
8.9 |
Large Drop |
2.6 |
.10 |
7.57 |
16.1 |
Heavy Thundershower (1.0'' per hour) |
Small Drop |
1.2 |
.05 |
4.64 |
10.3 |
Large Drop |
4.0 |
.16 |
8.83 |
19.6 |
Largest Possible Drop |
5.0 |
.20 |
9.09 |
20.2 |
Hailstone |
10 |
0.4 |
10.0 |
22.2 |
Hailstone |
40 |
1.6 |
20.0 |
44.4 |
Why 5mm is the Largest possible drop size?