Välja antud: 2016 Sep 20 1238 UTC
Quiet conditions (<50% probability of C-class flares)
Active conditions expected (A>=20 or K=4)
Quiet
10cm flux | Ap | |
---|---|---|
20 Sep 2016 | 083 | 026 |
21 Sep 2016 | 083 | 016 |
22 Sep 2016 | 083 | 007 |
Solar activity was very low. No C flares were observed in the past 24 hours. Solar activity is expected to remain very low (no C flaring) for the next 24 hours. Solar wind speed measured by DSCOVR rose gradually from about 390 to about 720 km/s after the arrival of a coronal hole high speed stream around 0h UT on September 20. Meanwhile the magnitude of the Interplanetary Magnetic Field increased from about 10 nT to a maximum of about 21 nT around 20:30 UT on September 19, and decreased again to current values around 5 nT. Bz was predominantly positive, but was mainly below -5 nT between 23h and 1h UT. Quiet to unsettled geomagnetic conditions (K Dourbes < 4) prevailed on September 19. K Dourbes values reached up to 4 and Kp values up to 5 during the first half of September 20. There is a chance for minor storm levels (K Dourbes = 5) on September 20 under the influence of the coronal hole high speed stream. Quiet to unsettled levels are expected on September 21 and 22, with a chance for active levels (K Dourbes = 4) on September 21 as the influence of the high speed stream wanes.
Today's estimated international sunspot number (ISN): 056, based on 19 stations.
Wolf number Catania | 076 |
10cm solar flux | 083 |
AK Chambon La Forêt | 024 |
AK Wingst | 010 |
Estimated Ap | 009 |
Estimated international sunspot number | 063 - Based on 27 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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