Välja antud: 2016 Jul 19 1230 UTC
C-class flares expected, (probability >=50%)
Active conditions expected (A>=20 or K=4)
Quiet
10cm flux | Ap | |
---|---|---|
19 Jul 2016 | 106 | 005 |
20 Jul 2016 | 105 | 012 |
21 Jul 2016 | 104 | 021 |
The strongest flare of the period was a C1.0 flare in NOAA 2565, peaking at 00:22UT. Both NOAA 2565 and NOAA 2567 remained the most prominent sunspot groups on the solar disk. At the end of the reporting period, a long duration C2 event was in progress over the magnetic separation line between the two regions. No earth-directed coronal mass ejections (CMEs) have been observed.
Further C-class flaring is expected, with a chance on an isolated M-class flare.
Quiet geomagnetic conditions were observed. Solar wind parameters were at nominal values, with wind speed declining further from 410 to 340 km/s. The interplanetary magnetic field (IMF) was mostly directed away from the Sun (positive). A negative coronal hole (CH; latitude +15 degrees) has almost finished its transit over the central meridian (CM).
Quiet to unsettled geomagnetic conditions are expected. The arrival of a high speed stream (HSS) from a negative CH on the southern hemisphere (-25 degrees) is still possible today or on 20 July, which may result in an active geomagnetic episode. On 21 July, the earth-environment may see the arrival of the HSS from the northern CH, as well as the impact from the faint 17 July CMEs.
Today's estimated international sunspot number (ISN): 064, based on 28 stations.
Wolf number Catania | 088 |
10cm solar flux | 107 |
AK Chambon La Forêt | 008 |
AK Wingst | 004 |
Estimated Ap | 003 |
Estimated international sunspot number | 068 - Based on 39 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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