Viewing archive of Sunday, 26 September 2021
Solar activity report
Report of Solar-Geophysical Activity 2021 Sep 26 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 269 Issued at 2200Z on 26 Sep 2021IA. Analysis of Solar Active Regions and Activity from 25-2100Z to 26-2100Z
IB. Solar Activity Forecast
IIA. Geophysical Activity Summary 25-2100Z to 26-2100Z
IIB. Geophysical Activity Forecast
III. Event Probabilities 27 Sep to 29 Sep
| Class M | 05% | 05% | 05% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 26 Sep 086 Predicted 27 Sep-29 Sep 086/086/084 90 Day Mean 26 Sep 082
V. Geomagnetic A Indices
Observed Afr/Ap 25 Sep 007/006 Estimated Afr/Ap 26 Sep 004/004 Predicted Afr/Ap 27 Sep-29 Sep 019/028-014/015-010/012
VI. Geomagnetic Activity Probabilities 27 Sep to 29 Sep
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 30% | 30% | 30% |
| Minor storm | 40% | 15% | 10% |
| Major-severe storm | 20% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 05% | 15% | 15% |
| Minor storm | 20% | 30% | 30% |
| Major-severe storm | 75% | 45% | 40% |
All times in UTC
Current data suggests there is a moderate possibility for aurora to appear at the following high latitude regions in the near future
Norilsk, VorkutaCurrent data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future
ArkhangelskCurrent data suggests there is a slight possibility for aurora to appear at the following middle latitude regions in the near future
Petrozavodsk, Surgut, SyktyvkarLatest news
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