NOAA / Space Weather Prediction Center

Geomagnetic Field Disturbances

Three-day Mid-Latitude Forecast

Mid-Latitude Geomagnetic ConditionsForecast Date
Jun 20
Jun 21
Jun 22
Probability of Active
25%
35%
30%
Probability of Minor Storm
5%
20%
10%
Probability of Major (Severe) Storm
1%
5%
1%


Three-day High-Latitude Forecast:

High-Latitude Geomagnetic ConditionsForecast Date
Jun 20
Jun 21
Jun 22
Probability of Active
15%
15%
15%
Probability of Minor Storm
35%
30%
25%
Probability of Major (Severe) Storm
30%
55%
40%


Three-Day Planetary K Index Forecast

Planetary K
Forecast Date		Forecast Hours (UTC)
00-0303-0606-0909-1212-1515-1818-2121-24
Jun 20
2
2
1
1
2
2
3
4
Jun 21
3
4
3
3
2
3
4
4
Jun 22
3
3
3
3
3
3
2
2


Past 3-days Planetary K Index

Plot of past 3 days of Kp Index

Current alerts of geomagnetic disturbances