Viewing archive of Saturday, 31 December 2016
Solar activity report
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 366 Issued at 2200Z on 31 Dec 2016IA. Analysis of Solar Active Regions and Activity from 30-2100Z to 31-2100Z
IB. Solar Activity Forecast
IIA. Geophysical Activity Summary 30-2100Z to 31-2100Z
IIB. Geophysical Activity Forecast
III. Event Probabilities 01 Jan to 03 Jan
| Class M | 01% | 01% | 01% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 31 Dec 074 Predicted 01 Jan-03 Jan 074/074/074 90 Day Mean 31 Dec 080
V. Geomagnetic A Indices
Observed Afr/Ap 30 Dec 002/002 Estimated Afr/Ap 31 Dec 013/017 Predicted Afr/Ap 01 Jan-03 Jan 016/020-008/010-009/012
VI. Geomagnetic Activity Probabilities 01 Jan to 03 Jan
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 35% | 20% | 25% |
| Minor storm | 15% | 05% | 10% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 15% |
| Minor storm | 20% | 25% | 25% |
| Major-severe storm | 20% | 25% | 35% |
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
Oulu, Rovaniemi, Sodankylä, UtsjokiKirkenes, Tromsø
Murmansk, Norilsk, Vorkuta
Kiruna, Luleå
Current data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future
KuopioTrondheim
Arkhangelsk
Sundsvall, Umeå
Current data suggests there is a slight possibility for aurora to appear at the following middle latitude regions in the near future
TamperePetrozavodsk, Surgut, Syktyvkar
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