Viewing archive of Saturday, 30 October 2021
Solar activity report
Report of Solar-Geophysical Activity 2021 Oct 30 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 303 Issued at 2200Z on 30 Oct 2021IA. Analysis of Solar Active Regions and Activity from 29-2100Z to 30-2100Z
IB. Solar Activity Forecast
IIA. Geophysical Activity Summary 29-2100Z to 30-2100Z
IIB. Geophysical Activity Forecast
III. Event Probabilities 31 Oct to 02 Nov
| Class M | 35% | 35% | 35% |
| Class X | 05% | 05% | 05% |
| Proton | 05% | 05% | 05% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 30 Oct 107 Predicted 31 Oct-02 Nov 106/106/104 90 Day Mean 30 Oct 085
V. Geomagnetic A Indices
Observed Afr/Ap 29 Oct 002/002 Estimated Afr/Ap 30 Oct 011/021 Predicted Afr/Ap 31 Oct-02 Nov 028/044-011/012-006/005
VI. Geomagnetic Activity Probabilities 31 Oct to 02 Nov
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 25% | 30% | 10% |
| Minor storm | 35% | 10% | 01% |
| Major-severe storm | 35% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 05% | 15% | 15% |
| Minor storm | 15% | 30% | 20% |
| Major-severe storm | 85% | 40% | 15% |
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
Whitehorse, YTAnchorage, AK, Fairbanks, AK
Current data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future
Edmonton, AB, Saskatoon, SK, Yellowknife, NTJuneau, AK, Utqiagvik, AK
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