Välja antud: 2017 Nov 12 1231 UTC
Quiet conditions (<50% probability of C-class flares)
Quiet (A<20 and K<4)
Quiet
10cm flux | Ap | |
---|---|---|
12 Nov 2017 | 070 | 006 |
13 Nov 2017 | 070 | 006 |
14 Nov 2017 | 070 | 006 |
The visible solar disc was spotless and no flares have been recorded in past 24-hour. The solar activity is expected to remain quiet with the X-ray flux below C level.
No Earth directed Coronal Mass Ejection have been observed. Several filaments are visible on the disk, which prevent us to initiate the all quiet alert as it cannot be excluded that one filament erupt with some Earth-directed components. The solar protons flux remained at background levels over the past 24 hours and is expected to remain so.
The Earth is now in the slow flow of the solar wind that as globally decreased from 530 km/s to the current value of 470 km/s. The declining trend of the solar wind parameter is expected to continue until it reaches about 350 km/s. The interplanetary magnetic field magnitude remained below 6 nT and the Bz component fluctuated between -4 and 4 nT. The solar wind parameters are expected to remain at the nominal level for the next 3 days. A narrow northern polar coronal hole extension down to latitude 10-degree North was facing Earth yesterday afternoon on Nov 11. The associated high speed stream is not expected to reach Earth before Nov 14.
As the fast solar wind has faded away, the geomagnetic conditions were quiet (local K Dourbes 1-2, NOAA Kp 1-2) and are expected to remain quiet until the high speed stream associated with the new coronal hole reaches Earth in several days.
Today's estimated international sunspot number (ISN): 000, based on 20 stations.
Wolf number Catania | /// |
10cm solar flux | 067 |
AK Chambon La Forêt | 011 |
AK Wingst | 008 |
Estimated Ap | 007 |
Estimated international sunspot number | 000 - Based on 15 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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