Välja antud: 2017 Sep 29 1230 UTC
Quiet conditions (<50% probability of C-class flares)
Active conditions expected (A>=20 or K=4)
Quiet
10cm flux | Ap | |
---|---|---|
29 Sep 2017 | 093 | 015 |
30 Sep 2017 | 093 | 012 |
01 Oct 2017 | 092 | 007 |
Over the past 24 hours solar activity has been low. No significant flares have been recorded. Catania group 55 (NOAA AR region 2681) has been most active, producing one B2.9 flare peaking at 14:34 UT yesterday (29-Sep-2017). No Earth directed Coronal Mass Ejections (CMEs) have been detected in coronograph observations. The greater than 10MeV proton flux remained at background levels over the past 24 hours. Solar activity is expected to remain low over the next 24 hours with some probability of C-class flares. The Earth is still inside the fast solar wind stream with the speed of about 640 km/s. However the magnitude of the interplanetary magnetic field remained below 5 nT over the past 24 hours, while Bz component varied between -4 and 4.4 nT. Geomagnetic conditions were active yesterday afternoon (Kp = 4 at 12-21 UT; 28 Sep-2017). Later, after a single episode of minor storm (Kp = 5 at 21-24 UT; 28-Sep-2017) geomagnetic conditions became unsettled (29-Sep-2017) with Kp (NOAA) and local K (Dourbes) indexes ranging between 1-3 and 2-3 respectively. The geomagnetic conditions are expected to remain from unsettled to active (Kp = 4) at least until 01-Oct-2017.
Today's estimated international sunspot number (ISN): 046, based on 20 stations.
Wolf number Catania | 059 |
10cm solar flux | 091 |
AK Chambon La Forêt | 037 |
AK Wingst | 040 |
Estimated Ap | 044 |
Estimated international sunspot number | 047 - Based on 31 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
Kõik ajad UTC-s
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