Bulletin 2017-12-07

on . Posted in Space Weather Bulletins

CURRENT SPACE WEATHER CONDITIONS:  Solar activity is very low with no visible sunspot regions on the solar disk. Background X-ray flux is below B-class levels. The solar wind speed is slowly declining with speeds between 480 - 520 km/s as the influence of high speed stream from coronal hole 45 (CH45) wanes. Local geomagnetic conditions are mostly quiet with periods of unsettled levels. Local HF working frequencies are near monthly average predicted values.

OUTLOOK: Solar activity is expected to remain very low with background X-ray flux below B-class levels. The solar wind speed is expected to slowly decrease to background levels as the influence of a high speed stream from coronal hole 45 (CH45) wanes. Geomagnetic conditions are expected to be mostly quiet with periods of unsettled levels during the next 24 hours.

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