INFO FROM SIDC - RWC BELGIUM 2016 Sep 26 12:50UTC

There is only one active region observed on the visible side of the solar
disc, NOAA AR 2597. Solar activity is low with one C-class flare reported
during last 24 hours. The C 1.3 flare which peaked at 19:14 on September 25
originated form NOAA AR 2597. We can expect isolated C-class flares in the
coming hours. No Earth directed CMEs were observed in the last 24 hours.
The solar wind speed is presently about 410 km/s. The interplanetary
magnetic field magnitude is about 10 nT, and the Bz component of the
interplanetary magnetic field is about -6 nT. Due to longer interval of the
negative value of the Bz component, disturbed geomagnetic conditions were
reported in the evening and around midnight of September 26 (local station
at Dourbes reported interval with K=5 and NOAA reported interval of 
Kp=5).
The fast flow associated with the large, low latitude extension of the
northern polar coronal hole which crossed central meridian on mid-day of
September 25 is expected to arrive at the Earth in the late evening of
September 27 or early morning of September 28. We expect that arrival of
fast solar wind will induce disturbed geomagnetic conditions (up to Kp=6).
The geomagnetic conditions are presently unsettled to active, and we expect
them to stay so in the coming hours.