Viewing archive of Thursday, 21 January 2021
Solar activity report
Report of Solar-Geophysical Activity 2021 Jan 21 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 21 Issued at 2200Z on 21 Jan 2021IA. Analysis of Solar Active Regions and Activity from 20-2100Z to 21-2100Z
IB. Solar Activity Forecast
IIA. Geophysical Activity Summary 20-2100Z to 21-2100Z
IIB. Geophysical Activity Forecast
III. Event Probabilities 22 Jan to 24 Jan
| Class M | 05% | 05% | 05% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 21 Jan 078 Predicted 22 Jan-24 Jan 078/078/078 90 Day Mean 21 Jan 085
V. Geomagnetic A Indices
Observed Afr/Ap 20 Jan 005/005 Estimated Afr/Ap 21 Jan 003/003 Predicted Afr/Ap 22 Jan-24 Jan 005/005-006/005-005/005
VI. Geomagnetic Activity Probabilities 22 Jan to 24 Jan
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 10% | 10% | 10% |
| Minor storm | 01% | 01% | 01% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 20% | 20% | 20% |
| Minor storm | 20% | 20% | 20% |
| Major-severe storm | 10% | 10% | 10% |
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
ReykjavikCurrent data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future
TórshavnOulu, Rovaniemi, Sodankylä
Trondheim
Kiruna, Luleå, Sundsvall, Umeå
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