Välja antud: 2022 Jan 27 1232 UTC
C-class flares expected, (probability >=50%)
Quiet (A<20 and K<4)
Quiet
10cm flux | Ap | |
---|---|---|
27 Jan 2022 | 103 | 005 |
28 Jan 2022 | 104 | 007 |
29 Jan 2022 | 105 | 007 |
Solar activity was relatively quiet over the last 24 hours with a C1-class flare beside the number of sunspot groups visible on the disc. A new bipolar Catania sunspot group 19 (NOAA-AR 2938) has emerged close to the East limb. The other sunspot groups did not show any significant flaring activity. Solar activity is expected to remain slightly active with C-class flares in the next 24 hours and with a small probability of M-class flare.
No Earth directed Coronal Mass Ejection (CME) has been detected in the available coronagraph imagery over the last 24 hours.
The greater than 10 MeV proton flux was at nominal levels in the past 24 hours and is expected to remain at nominal levels in the next 24 hours. The greater than 2 MeV electron flux remained below the 1000 pfu alert threshold and is expected to be close to the threshold or just above in the next 24 hours due to the increase of the solar wind speed. The greater than 2 MeV electron fluence dropped to nominal levels in the past 24 hours and is expected to be at between nominal and is expected to be at between nominal and moderate levels in the next 24 hours.
The solar wind parameters measured in the Earth environment (by DSCOVR) remained enhanced: the solar wind speed continued to increase from about 450 km/s to 525 km/s, the interplanetary magnetic field remained slightly elevated up to 7.6 nT, and its southward Bz-component fluctuated between -5.4 nT and 5.5 nT being manly positive. The enhanced measurements are associated with the effect from the solar high-speed stream connected to the Coronal Hole (positive magnetic polarity) that crossed the central meridian on January 21. The effect of the high-speed streams associated to the recurrent equatorial coronal hole facing Earth last January 26 (positive magnetic polarity) is expected to impact the solar wind conditions in about 2 days.
Geomagnetic conditions were quiet to unsettled (K_Bel 1-3) and at planetary levels (NOAA-Kp 1-3). Quiet geomagnetic conditions with unsettled periods are expected to continue in response to the high-speed streams from an equatorial Coronal Hole (that crossed the central meridian on January 21).
Today's estimated international sunspot number (ISN): 079, based on 09 stations.
Wolf number Catania | 083 |
10cm solar flux | 102 |
AK Chambon La Forêt | 017 |
AK Wingst | 012 |
Estimated Ap | 011 |
Estimated international sunspot number | 071 - Based on 19 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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