Viewing archive of Thursday, 17 December 2020
Solar activity report
Report of Solar-Geophysical Activity 2020 Dec 17 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 352 Issued at 2200Z on 17 Dec 2020IA. Analysis of Solar Active Regions and Activity from 16-2100Z to 17-2100Z
IB. Solar Activity Forecast
IIA. Geophysical Activity Summary 16-2100Z to 17-2100Z
IIB. Geophysical Activity Forecast
III. Event Probabilities 18 Dec to 20 Dec
| Class M | 01% | 01% | 01% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 17 Dec 082 Predicted 18 Dec-20 Dec 082/082/082 90 Day Mean 17 Dec 082
V. Geomagnetic A Indices
Observed Afr/Ap 16 Dec 003/002 Estimated Afr/Ap 17 Dec 004/004 Predicted Afr/Ap 18 Dec-20 Dec 005/005-005/005-006/005
VI. Geomagnetic Activity Probabilities 18 Dec to 20 Dec
| 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 high possibility for aurora to appear at the following high latitude regions in the near future
Iqaluit, NUNuuk
Oulu, Rovaniemi, Sodankylä
Reykjavik
Tromsø
Kiruna, Luleå
Current data suggests there is a moderate possibility for aurora to appear at the following high latitude regions in the near future
TórshavnTrondheim
Sundsvall, Umeå
Current data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future
KuopioBergen
Current data suggests there is a slight possibility for aurora to appear at the following middle latitude regions in the near future
Thunder Bay, ONTampere
Petrozavodsk
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