Viewing archive of Friday, 31 July 2015
Solar activity report
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 212 Issued at 2200Z on 31 Jul 2015IA. 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 Aug to 03 Aug
| Class M | 05% | 05% | 05% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 31 Jul 101 Predicted 01 Aug-03 Aug 105/105/105 90 Day Mean 31 Jul 117
V. Geomagnetic A Indices
Observed Afr/Ap 30 Jul 012/013 Estimated Afr/Ap 31 Jul 013/017 Predicted Afr/Ap 01 Aug-03 Aug 020/024-012/016-011/012
VI. Geomagnetic Activity Probabilities 01 Aug to 03 Aug
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 40% | 30% | 15% |
| Minor storm | 20% | 10% | 05% |
| Major-severe storm | 05% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 10% | 15% | 20% |
| Minor storm | 30% | 30% | 30% |
| Major-severe storm | 55% | 40% | 25% |
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
Gillam, MBCurrent data suggests there is a moderate possibility for aurora to appear at the following high latitude regions in the near future
Iqaluit, NUNuuk
Reykjavik
Current data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future
TórshavnCurrent data suggests there is a slight possibility for aurora to appear at the following middle latitude regions in the near future
Thunder Bay, ON, Winnipeg, MBLatest news
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Coronal hole faces Earth
Strong G3 geomagnetic storm watch for 23 March
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