Välja antud: 2018 Feb 16 1230 UTC
Quiet conditions (<50% probability of C-class flares)
Active conditions expected (A>=20 or K=4)
Quiet
10cm flux | Ap | |
---|---|---|
16 Feb 2018 | 073 | 015 |
17 Feb 2018 | 072 | 016 |
18 Feb 2018 | 071 | 010 |
Over the past 24 hours solar activity has been low. No significant flares have been recorded. Active Region (AR) 2699 (Mcintosh class:Cao; Mag. type:Beta) has been most active, showing considerable flux emergence and cancellation, but is now approaching the western limb. The greater than 10MeV proton flux remained at background levels over the past 24 hours. No Earth directed Coronal Mass Ejections (CMEs) have been detected. Over the next 24 hours there is a small chance of C-class flares. The solar wind speed fluctuated around 375 km/s over the past 24 hours. The total magnetic field strength has increased from around 5 nT to 15 nT, the Bz component has fluctuated between -5 and +15 nT. Geomagnetic conditions ranged between Kp index 1-4 (NOAA) and local K index 1-4 (Dourbes) over the past 24 hours. A High Speed Stream (HSS) associated with a large coronal hole that passed the central meridian a couple of days ago may enhance solar wind conditions over the next couple of days. Geomagnetic conditions are expected to be quiet to unsettled.
Today's estimated international sunspot number (ISN): 013, based on 19 stations.
Wolf number Catania | /// |
10cm solar flux | 073 |
AK Chambon La Forêt | 026 |
AK Wingst | 020 |
Estimated Ap | 018 |
Estimated international sunspot number | 017 - Based on 22 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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