Vydáno: 2019 Dec 22 1231 UTC
Quiet conditions (<50% probability of C-class flares)
Quiet (A<20 and K<4)
Quiet
10cm flux | Ap | |
---|---|---|
22 Dec 2019 | 070 | 005 |
23 Dec 2019 | 070 | 007 |
24 Dec 2019 | 070 | 017 |
Solar X ray flux remained below B level throughout the period. Apart from some very short lived spots, the visible disk was spotless and X-ray flux is expected to remain at background levels.
No Earth-directed CME's were detected in coronagraph images.
Solar high energy proton fluxes were at background levels and are expected to remain so. The >2MeV electron flux is enhanced (though not over the event threshold) as a consequence of the high speed stream passage but expected to slowly start a gradual return to background values.
Solar wind further returned to nominal, with Solar wind speed decreasing from around 390 km/s to under 340 km/s and total magnetic field in the 4-6nT regime. The magnetic field phi angle was in the positive sector. Solar wind conditions are expected to remain nominal in the coming days with later on December 24 a possible weak enhancement associated to the low latitude negative polarity coronal hole in the Southern hemisphere.
Geomagnetic conditions were quiet (both local K Dourbes and NOAA Kp 0-2) and this is expected to persist. From later December 24 we expect a slight increase to quiet to unsettled conditions.
Today's estimated international sunspot number (ISN): 000, based on 08 stations.
Wolf number Catania | /// |
10cm solar flux | 071 |
AK Chambon La Forêt | 007 |
AK Wingst | 005 |
Estimated Ap | 004 |
Estimated international sunspot number | 000 - Based on 18 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
Všechny časy v UTC
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