Datum verslag: 2019 Nov 21 1231 UTC
Quiet conditions (<50% probability of C-class flares)
Quiet (A<20 and K<4)
Quiet
10cm flux | Ap | |
---|---|---|
21 Nov 2019 | 070 | 012 |
22 Nov 2019 | 070 | 021 |
23 Nov 2019 | 070 | 005 |
The solar activity has been at very low levels over the past 24 hours. The Sun is currently spotless and the X-ray flux remains below B-level. However, a compact bright structure, located at low-latitude near the central meridian, has shown some evidence of activity. There is currently a low-latitude positive-polarity patchy coronal hole located in the Western Hemisphere. Solar activity is expected to remain at low levels for the next 24 hours.
There was a small filament eruption in the north west quadrant of the Sun. The eruption was observed to be moving predominantly to the west in coronagraph imagery. The plane-of-sky speed, as measure by CACTUS, reached around 650 km/s, and although the effects are expected to be small, the CME may arrive around mid day on 23-Nov-2019.
The greater than 10 MeV proton flux was at nominal values.
The solar wind speed has increased from around 300 to 500 km/s over the past 12 hours. The total magnetic field strength has fluctuated between 2 nT and 10 nT. The Bz component fluctuated around 0 nT, ranging between -7 and +8 nT. Geomagnetic conditions ranged between Kp index 0-2 (NOAA) and local K index 0-2 (Dourbes) over the past 24 hours.
Geomagnetic conditions have increased a little (K=2) due to the arrival of a high speed stream from a small low latitude positive polarity Coronal Hole around 21:00 UT yesterday. Geomagnetic conditions are expected to be enhanced at least over the next 24 hours.
Today's estimated international sunspot number (ISN): 000, based on 08 stations.
Wolf number Catania | 000 |
10cm solar flux | 070 |
AK Chambon La Forêt | 005 |
AK Wingst | 002 |
Estimated Ap | 002 |
Estimated international sunspot number | 000 - Based on 22 stations |
Day | Begin | Max | Einde | Loc | Strength | OP | 10cm | Catania/NOAA | Radio burst types | |
---|---|---|---|---|---|---|---|---|---|---|
Geen |
Provided by the Solar Influences Data analysis Center© - SIDC - Processed by SpaceWeatherLive
Alle tijden in UTC
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