Weather Yorktown Heights for week
from 18 december - to 24 december
Geomagnetic activity,
Kp-index
9
8
7
6
5
4
3
2
1
18.12
19.12
20.12
21.12
22.12
23.12
24.12
– Small disturbances
– Weak storms
– Strong storms
– Extreme storms