Välja antud: 2015 Sep 16 1230 UTC
C-class flares expected, (probability >=50%)
Active conditions expected (A>=20 or K=4)
Quiet
10cm flux | Ap | |
---|---|---|
16 Sep 2015 | 106 | 012 |
17 Sep 2015 | 108 | 015 |
18 Sep 2015 | 108 | 026 |
NOAA 2415, currently the most complex sunspot region on the solar disk, produced the strongest flare of the period (C3.0 flare peaking at 02:24UT). The other 4 regions were mostly quiet, with NOAA 2414 producing a single C1 flare. No earth-directed coronal mass ejections have been observed.
More C-class flares are expected, with a small chance on an M-class flare from NOAA 2415.
Solar wind speed gradually declined from values near 520 km/s to its current 470 km/s. Bz oscillated between -6 and +6 nT, with the interplanetary magnetic field pointing away from the Sun. Quiet to unsettled conditions were observed, with a single active episode at Dourbes (15:00UT). The trailing transequatorial extension of a wide northern coronal hole is transiting the central meridian.
Quiet to unsettled geomagnetic conditions are expected, with a chance on an active episode. Minor geomagnetic storming is expected on 18 and 19 September.
Today's estimated international sunspot number (ISN): 083, based on 08 stations.
Wolf number Catania | 073 |
10cm solar flux | 101 |
AK Chambon La Forêt | /// |
AK Wingst | 018 |
Estimated Ap | 024 |
Estimated international sunspot number | 066 - Based on 23 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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