Välja antud: 2017 Oct 08 1230 UTC
Quiet conditions (<50% probability of C-class flares)
Quiet (A<20 and K<4)
Quiet
10cm flux | Ap | |
---|---|---|
08 Oct 2017 | 077 | 003 |
09 Oct 2017 | 075 | 003 |
10 Oct 2017 | 074 | 006 |
Solar activity was at very low levels. NOAA 2683 (Catania 57) had rotated over the west limb by the end of the period. It was the source of a B5 flare peaking on 08 October at 06:47UT. A small bipolar sunspot region emerged near N15W35. No earth-directed coronal mass ejections (CMEs) were observed in available coronagraphic imagery. The greater than 10 MeV proton flux was at nominal levels.
Quiet flaring conditions are expected, with still a slight chance on an isolated C-class flare.
Solar wind speed varied between 400 and 460 km/s (DSCOVR). Bz fluctuated between -5 and +6 nT, being mostly positive after 04UT. The interplanetary magnetic field was mostly directed towards the Sun. The extension of a positive polar CH started its transit of the Central Meridian early on 07 October and may influence the earth environment around 10-11 October.
The geomagnetic field was at quiet levels, with unsettled levels reached in Dourbes at the end of the period. Mostly quiet geomagnetic conditions are expected, with a chance on an isolated unsettled interval.
Today's estimated international sunspot number (ISN): 000, based on 14 stations.
Wolf number Catania | /// |
10cm solar flux | 080 |
AK Chambon La Forêt | 009 |
AK Wingst | 004 |
Estimated Ap | 003 |
Estimated international sunspot number | 013 - Based on 18 stations |
Day | Begin | Max | Lõpp | Loc | Strength | OP | 10cm | Catania/NOAA | Radio burst types | |
---|---|---|---|---|---|---|---|---|---|---|
Puuduvad |
Provided by the Solar Influences Data analysis Center© - SIDC - Processed by SpaceWeatherLive
Kõik ajad UTC-s
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