Välja antud: 2017 Apr 13 1249 UTC
Quiet conditions (<50% probability of C-class flares)
Active conditions expected (A>=20 or K=4)
Quiet
10cm flux | Ap | |
---|---|---|
13 Apr 2017 | 069 | 003 |
14 Apr 2017 | 068 | 007 |
15 Apr 2017 | 067 | 013 |
Solar activity was at very low levels during the period. The only event was a B2.4 flare peaking at 14:32 UT yesterday. The flare was produced by NOAA 2650 Active Region (McIntosh class: Cso; Mag.Type: Beta). The X-Ray solar flux remained below B-class flaring level afterwards. No Earth-directed CMEs was observed in coronagraph imagery. Integral proton flux for protons with energies above 10 MeV remained at background level. B-class flaring is expected. Solar wind speed gradually decreased from 440 km/s to 400 km/s by the end of the period. The interplanetary magnetic field was below 5 nT. Bz fluctuated between -2.1 and +2.5 nT. Quiet geomagnetic conditions (K Dourbes between 0 and 2; NOAA Kp between 0 and 2) were registered in the past 24 hours. Quiet geomagnetic conditions are expected today (13 April). Unsettled geomagnetic conditions are possible from tomorrow (14 April) due to potential glancing blow from 10 April CME. Isolated episodes of active geomagnetic conditions can be expected from 15 April due to the influence of possible CME effects or of high speed streams from a low latitude coronal hole.
Today's estimated international sunspot number (ISN): 025, based on 20 stations.
Wolf number Catania | 027 |
10cm solar flux | 071 |
AK Chambon La Forêt | 006 |
AK Wingst | 004 |
Estimated Ap | 005 |
Estimated international sunspot number | 019 - Based on 27 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
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