Välja antud: 2017 Apr 28 1230 UTC
Quiet conditions (<50% probability of C-class flares)
Quiet (A<20 and K<4)
Quiet
10cm flux | Ap | |
---|---|---|
28 Apr 2017 | 079 | 008 |
29 Apr 2017 | 078 | 008 |
30 Apr 2017 | 078 | 008 |
The solar activity is extremely low without even B-class flares reported in the last 24 hours. We expect the low level of activity to continue in the coming hours, however B-class flares are still possible. The CME first clearly seen in the SOHO LASCO C2 field of view at about 07:36 UT on April 28 (after a long data gap) seem to be rather narrow with the bulk of the CME mass directed northward of the Sun-Earth line. From the currently available observations it does not seem very probable that this CME will arrive at the Earth. More will be reported when data become available. No Earth directed CMEs have been observed in the past 24 hours. The Earth is presently inside the slow solar wind with the speed of 400 km/s, and the interplanetary magnetic field magnitude amounts about 5 nT. The geomagnetic conditions are presently quiet and we expect them to stay so in the coming hours.
Today's estimated international sunspot number (ISN): 036, based on 16 stations.
Wolf number Catania | /// |
10cm solar flux | 078 |
AK Chambon La Forêt | 009 |
AK Wingst | 008 |
Estimated Ap | 008 |
Estimated international sunspot number | 027 - Based on 28 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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