Viewing archive of Sunday, 30 August 2020
Solar activity report
Report of Solar-Geophysical Activity 2020 Aug 30 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 243 Issued at 2200Z on 30 Aug 2020IA. Analysis of Solar Active Regions and Activity from 29-2100Z to 30-2100Z Solar activity has been at very low levels for the past 24
hours. There are currently 0 numbered sunspot regions on the disk.
IB. Solar Activity Forecast
Solar activity is expected to be very low
on days one, two, and three (31 Aug, 01 Sep, 02 Sep).
IIA. Geophysical Activity Summary 29-2100Z to 30-2100Z
The geomagnetic
field has been at quiet to active levels for the past 24 hours. Solar
wind speed reached a peak of 509 km/s at 29/2131Z. Total IMF reached 6
nT at 30/0555Z. The maximum southward component of Bz reached -5 nT at
30/0410Z. Electrons greater than 2 MeV at geosynchronous orbit reached
a peak level of 2801 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected
to be at quiet to unsettled levels on days one and three (31 Aug, 02
Sep) and quiet to active levels on day two (01 Sep).
III. Event Probabilities 31 Aug to 02 Sep
| Class M | 01% | 01% | 01% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 30 Aug 070 Predicted 31 Aug-02 Sep 070/070/070 90 Day Mean 30 Aug 070
V. Geomagnetic A Indices
Observed Afr/Ap 29 Aug 014/014 Estimated Afr/Ap 30 Aug 008/010 Predicted Afr/Ap 31 Aug-02 Sep 009/010-012/012-008/010
VI. Geomagnetic Activity Probabilities 31 Aug to 02 Sep
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 25% | 30% | 25% |
| Minor storm | 05% | 10% | 05% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 15% |
| Minor storm | 30% | 25% | 30% |
| Major-severe storm | 30% | 40% | 30% |
All times in UTC
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