(last updated 27 Sep 2021 07:55 UT)
SUBJ: SWS GEOMAGNETIC DISTURBANCE WARNING 21/29 ISSUED AT 2336UT/25 SEPTEMBER 2021 BY THE AUSTRALIAN SPACE FORECAST CENTRE. A northern polar coronal hole plus the possible arrival of a glancing blow from the 23 September CMEs, from two M-class flares, and the 24 September filament eruption CME is expected to increase the solar wind speed to moderately enhanced levels on UT days 26-27 September. Geomagnetic activity is expected to be between quiet and active levels with possible minor to major storms. Auroras may be visible on the local nights of 26-27 September in Tasmania. INCREASED GEOMAGNETIC ACTIVITY EXPECTED DUE TO CORONAL HOLE HIGH SPEED WIND STREAM FROM 26-27 SEPTEMBER 2021 _____________________________________________________________ GEOMAGNETIC ACTIVITY FORECAST 26 Sep: Quiet to active with possible minor storm periods 27 Sep: Quiet to active with possible minor to major storm periods
The Space Weather API provides the current geomagnetic warning status.