Välja antud: 2017 Jun 04 1230 UTC
C-class flares expected, (probability >=50%)
Quiet (A<20 and K<4)
Quiet
10cm flux | Ap | |
---|---|---|
04 Jun 2017 | 079 | 006 |
05 Jun 2017 | 080 | 007 |
06 Jun 2017 | 080 | 007 |
Catania group 29 (NOAA active region 2661) produced some further C flaring: two C2.5 magnitude flares peaking at 14:56UT and 19:34UT. Dispersion of the magnetic field is observed in the leading part of the region, but there remains mixed polarity field in the middle and trailing portions of the region. Further C flaring should be anticipated with also a slight chance for an isolated M flare. No Earth directed CMEs have been observed in available coronagraph images. Proton flux levels are at background values and are expected to remain so.
Solar wind was subject to further enhancement due to coronal hole influence with Solar wind speed reaching a maximum of close to 500 km/s, meanwhile recovering to around 430 km/s. After an initial sustained period of strongly negative Bz (-13nT) the magnetic field magnitude recovered to nominal values of around 5nT, with a variabale Bz component. A further recovery towards nominal Solar wind conditions is expected over the next days. Geomagnetic conditions have been active (both NOAA Kp and local K Dourbes 4) on June 3 afternoon associated to the sustained negative values of Bz, but remained quiet afterwards. Quiet to unsettled geomagnetic conditions are expected over the next days.
Today's estimated international sunspot number (ISN): 027, based on 22 stations.
Wolf number Catania | /// |
10cm solar flux | 078 |
AK Chambon La Forêt | 017 |
AK Wingst | 011 |
Estimated Ap | 012 |
Estimated international sunspot number | 026 - Based on 25 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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