Viewing archive of Sunday, 1 May 2011
Solar activity report
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 121 Issued at 2200Z on 01 May 2011IA. Analysis of Solar Active Regions and Activity from 30-2100Z to 01-2100Z
IB. Solar Activity Forecast
IIA. Geophysical Activity Summary 30-2100Z to 01-2100Z
IIB. Geophysical Activity Forecast
III. Event Probabilities 02 May to 04 May
| Class M | 10% | 01% | 01% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 01 May 106 Predicted 02 May-04 May 105/100/100 90 Day Mean 01 May 108
V. Geomagnetic A Indices
Observed Afr/Ap 30 Apr 017/024 Estimated Afr/Ap 01 May 016/022 Predicted Afr/Ap 02 May-04 May 012/015-008/010-005/005
VI. Geomagnetic Activity Probabilities 02 May to 04 May
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 40% | 30% | 20% |
| Minor storm | 30% | 10% | 01% |
| Major-severe storm | 05% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 50% | 40% | 20% |
| Minor storm | 25% | 15% | 01% |
| Major-severe storm | 10% | 01% | 01% |
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
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