Viewing archive of Friday, 27 January 2017
Solar activity report
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 27 Issued at 2200Z on 27 Jan 2017IA. Analysis of Solar Active Regions and Activity from 26-2100Z to 27-2100Z
IB. Solar Activity Forecast
IIA. Geophysical Activity Summary 26-2100Z to 27-2100Z
IIB. Geophysical Activity Forecast
III. Event Probabilities 28 Jan to 30 Jan
| Class M | 05% | 05% | 05% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 27 Jan 080 Predicted 28 Jan-30 Jan 080/080/080 90 Day Mean 27 Jan 077
V. Geomagnetic A Indices
Observed Afr/Ap 26 Jan 011/014 Estimated Afr/Ap 27 Jan 019/023 Predicted Afr/Ap 28 Jan-30 Jan 012/015-009/010-009/012
VI. Geomagnetic Activity Probabilities 28 Jan to 30 Jan
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 30% | 20% | 20% |
| Minor storm | 10% | 05% | 05% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 15% |
| Minor storm | 30% | 25% | 20% |
| Major-severe storm | 40% | 25% | 20% |
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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