NOAA / Space Weather Prediction Center

Geomagnetic Field Disturbances

Three-day Mid-Latitude Forecast

Mid-Latitude Geomagnetic ConditionsForecast Date
Jul 22
Jul 23
Jul 24
Probability of Active
10%
10%
10%
Probability of Minor Storm
1%
1%
1%
Probability of Major (Severe) Storm
1%
1%
1%


Three-day High-Latitude Forecast:

High-Latitude Geomagnetic ConditionsForecast Date
Jul 22
Jul 23
Jul 24
Probability of Active
15%
15%
15%
Probability of Minor Storm
20%
20%
20%
Probability of Major (Severe) Storm
10%
10%
10%


Three-Day Planetary K Index Forecast

Planetary K
Forecast Date
Forecast Hours (UTC)
00-0303-0606-0909-1212-1515-1818-2121-24
Jul 22
2
1
1
1
1
1
2
2
Jul 23
2
1
1
1
1
1
2
2
Jul 24
2
1
1
1
1
1
2
2


Past 3-days Planetary K Index

Plot of past 3 days of Kp Index

Current alerts of geomagnetic disturbances