Viewing archive of Saturday, 29 August 2020
Solar activity report
Report of Solar-Geophysical Activity 2020 Aug 29 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 242 Issued at 2200Z on 29 Aug 2020IA. Analysis of Solar Active Regions and Activity from 28-2100Z to 29-2100Z 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 (30 Aug, 31 Aug, 01 Sep).
IIA. Geophysical Activity Summary 28-2100Z to 29-2100Z
The geomagnetic
field has been at quiet to active levels for the past 24 hours. Solar
wind speed reached a peak of 535 km/s at 29/0602Z. Total IMF reached 8
nT at 28/2210Z. The maximum southward component of Bz reached -6 nT at
28/2212Z. Electrons greater than 2 MeV at geosynchronous orbit reached
a peak level of 947 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected
to be at quiet to active levels on days one, two, and three (30 Aug, 31
Aug, 01 Sep).
III. Event Probabilities 30 Aug to 01 Sep
| Class M | 01% | 01% | 01% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 29 Aug 070 Predicted 30 Aug-01 Sep 070/070/070 90 Day Mean 29 Aug 070
V. Geomagnetic A Indices
Observed Afr/Ap 28 Aug 008/011 Estimated Afr/Ap 29 Aug 013/015 Predicted Afr/Ap 30 Aug-01 Sep 010/012-013/012-011/012
VI. Geomagnetic Activity Probabilities 30 Aug to 01 Sep
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 40% | 30% | 40% |
| Minor storm | 20% | 15% | 20% |
| Major-severe storm | 05% | 01% | 05% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 10% | 15% | 10% |
| Minor storm | 25% | 30% | 30% |
| Major-severe storm | 60% | 45% | 55% |
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