Bulletin: Current Conditions

09 August 2022

Solar activity is low with background X-ray flux at B-class levels. There are currently five sunspot regions (AR3071, AR3074, AR3075, AR3076 and a new unnumbered region) visible on the solar disk with simple magnetic configurations. The solar wind speed is elevated above background levels with speed ranging between 560- 600 km/s due to the persisting influence from the high speed stream (HSS) from coronal hole 10 (CH10). No Earth-directed CMEs were observed in the available imagery. Geomagnetic activity is at unsettled to active with periods of G1/minor storm. Local HF working frequencies are near monthly average predicted values.

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Daily Conditions

Date and Time (UT)foF2 (MHz)hmF2 (km)T indexAp
Grahamstown2022-08-09 10:007.750235.72159
Hermanus2022-08-09 10:007.900250.66166
Planetary Ap2022-08-09 09:3417


Predicted SANSA monthly T-Index for August 2022: 23