Vydáno: 2014 Apr 28 1232 UTC
Eruptive (C-class flares expected, probability >=50%)
Active conditions expected (A>=20 or K=4)
Quiet
10cm flux | Ap | |
---|---|---|
28 Apr 2014 | 120 | 014 |
29 Apr 2014 | 124 | 008 |
30 Apr 2014 | 124 | 005 |
Six sunspot regions are visible at the front side of the solar disk. All have a simple alpha or beta magnetic configuration. The background of the GOES Xray flux is at B-class level and no noteworthy flares were measured. A weak CME erupted towards the north, first visible in LASCO/C2 at 5:36 UT on 28 April. It can hardly be called a partial halo CME and does not seem to be Earth directed. C-class flaring activity can be expected for the next 48 hours. Solar wind speed is relatively stable with values between 300 to 350km/s. The magnitude of the interplanetary magnetic field was maximally 5 nT with a mainly negative Bz. Geomagnetic conditions were unsettled and are expected to remain as such. An isolated time slot of active conditions is possible at arrival of a high speed stream related to the coronal hole that passed the central meridian early on 24 April.
Today's estimated international sunspot number (ISN): 057, based on 10 stations.
Wolf number Catania | /// |
10cm solar flux | 118 |
AK Chambon La Forêt | 009 |
AK Wingst | 004 |
Estimated Ap | 003 |
Estimated international sunspot number | 057 - Based on 21 stations |
Day | Begin | Max | Konec | Loc | Strength | OP | 10cm | Catania/NOAA | Radio burst types | |
---|---|---|---|---|---|---|---|---|---|---|
Žádný |
Provided by the Solar Influences Data analysis Center© - SIDC - Processed by SpaceWeatherLive
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