Välja antud: 2022 Sep 12 1257 UTC
C-class flares expected, (probability >=50%)
Quiet (A<20 and K<4)
Warning condition (activity levels expected to increase, but no numeric forecast given)
10cm flux | Ap | |
---|---|---|
12 Sep 2022 | 151 | 007 |
13 Sep 2022 | 150 | 004 |
14 Sep 2022 | 150 | 007 |
Solar flaring activity over the past 24 hours was at low levels with twenty C-class flares. There are seven active regions on the visible solar disk, the most prominent being NOAA AR 3098 (beta-gamma), which has developed to be the largest and most complex active region and was responsible for the majority of the C-class flaring, including an impulsive C6.1-class with peak time 22:28 UTC on Sept 11th. The remaining low C-class flaring activity was produced by NOAA 3101 (beta), which underwent minor development over the past 24 hours. The remaining active regions are magnetically simple and remained either stable or exhibited gradual decay, expect for NOAA 3100 (beta), which underwent minor development, but showed no significant activity. The flaring activity is expected to remain at low levels with more C-class flares and some chances for isolated M-class flaring in the next 24 hours.
No Earth-directed coronal mass ejections (CMEs) were detected in the available coronagraph imagery over the past 24 hours.
Following the flaring activity the greater than 10 MeV proton flux was enhanced in the past 24 hours and might reach minor storm levels over the next 24 hours. The greater than 2 MeV electron flux has crossed the 1000 pfu threshold and is expected to cross the threshold again in the next 24 hours. The 24h electron fluence was at moderate levels in the past 24 hours and is expected to remain so in the next 24 hours.
Over the past 24 hours the solar wind parameters (ACE and DSCOVR) continued their decline towards background slow solar wind regime. The solar wind velocity smoothly varied in the range of 489 km/s to almost 378 km/s. The interplanetary magnetic field was weak with a maximum value of 6 nT with a minimum Bz component reaching -4.7 nT. The B field was predominantly in the positive sector (directed away from the Sun). The solar wind parameters are expected to be at slow solar wind conditions over the next 24 hours.
The geomagnetic conditions over the past 24 hours were quiet to unsettled. Mostly quiet to unsettled geomagnetic conditions are expected for the next 24 hours.
Today's estimated international sunspot number (ISN): 140, based on 21 stations.
Wolf number Catania | /// |
10cm solar flux | 152 |
AK Chambon La Forêt | 017 |
AK Wingst | 012 |
Estimated Ap | 010 |
Estimated international sunspot number | 127 - Based on 24 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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