Viewing archive of Sunday, 27 August 2023
Solar activity report
Report of Solar-Geophysical Activity 2023 Aug 27 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 239 Issued at 2200Z on 27 Aug 2023IA. 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 Aug to 30 Aug
| Class M | 20% | 20% | 20% |
| Class X | 05% | 05% | 05% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 27 Aug 142 Predicted 28 Aug-30 Aug 148/150/150 90 Day Mean 27 Aug 165
V. Geomagnetic A Indices
Observed Afr/Ap 26 Aug 009/007 Estimated Afr/Ap 27 Aug 009/011 Predicted Afr/Ap 28 Aug-30 Aug 010/010-008/008-006/005
VI. Geomagnetic Activity Probabilities 28 Aug to 30 Aug
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 20% | 15% | 10% |
| Minor storm | 05% | 05% | 01% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 15% |
| Minor storm | 20% | 20% | 15% |
| Major-severe storm | 20% | 20% | 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
NuukReykjavik
Current data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future
TórshavnKuopio
Trondheim
Luleå, Sundsvall, Umeå
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