Daily Forecast

DATE: 18 Oct 2018, composed at 08:28 SAST

CURRENT CONDITIONS: Solar activity is low with background X-ray flux below B-class levels. The solar wind speed is at background with speeds between 350 km/s - 380 km/s. Geomagnetic conditions are quiet. Local HF working frequencies are near to the monthly average predicted values.

EVENTS: None.

OUTLOOK: Solar activity is expected to remain low with background X-ray flux below B-class levels. There are no sunspot regions visible on the solar disk with no major flaring activity expected. The solar wind speed is expected to be at background levels. Geomagnetic conditions are expected to be quiet.

SYSTEMS AFFECTED: None.

3-Day Predictions

Date	2018-10-19	2018-10-20	2018-10-21
SSN	1	1	1
Se (WCI)	1	1	1
T-Index	30 to 105/3	30 to 105/5	30 to 105/-2
Activity	low	low	low
Qfe	6.5	4.8	4.3
Ap	18.0	10.0	8.0
Magnetic Conditions	Unsettled to Active	Unsettled	Quiet to Unsettled
SA HF Comms	fair	fair	fair
SW Fadeouts	unlikely	unlikely	unlikely
MUF	unstable	unstable	unstable

Current Conditions

2018-10-18 20:16
Solar wind speed:	325.9 km/s
IMF Bz:	2.0
Hermanus T-index:	-17
Hermanus K-index:	0
Hermanus foF2:	3.850 MHz
Dst Index:	7 nT
Dcx Index:	10.1 nT

Space Weather Bulletin

18 October 2018
Solar activity is low with background X-ray flux below B-class levels. The solar wind speed is at background with speeds between 350 km/s - 380 km/s. Geomagnetic conditions are quiet. Local HF working frequencies are near to the monthly average predicted values.