Viewing archive of Tuesday, 21 August 2012
Solar activity report
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 234 Issued at 2200Z on 21 Aug 2012IA. 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 Aug to 24 Aug
| Class M | 05% | 05% | 05% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | Green | ||
IV. Penticton 10.7 cm Flux
Observed 21 Aug 094 Predicted 22 Aug-24 Aug 095/095/100 90 Day Mean 21 Aug 124
V. Geomagnetic A Indices
Observed Afr/Ap 20 Aug 011/013 Estimated Afr/Ap 21 Aug 007/006 Predicted Afr/Ap 22 Aug-24 Aug 006/005-006/005-006/005
VI. Geomagnetic Activity Probabilities 22 Aug to 24 Aug
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 05% | 05% | 05% |
| Minor storm | 01% | 01% | 01% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 15% |
| Minor storm | 15% | 15% | 10% |
| Major-severe storm | 05% | 05% | 05% |
All times in UTC
Current data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future
TórshavnOulu, Rovaniemi, Kuopio, Sodankylä
Trondheim
Arkhangelsk, Murmansk
Kiruna, Luleå, Sundsvall, Umeå
Current data suggests there is a slight possibility for aurora to appear at the following middle latitude regions in the near future
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