Välja antud: 2016 Sep 21 1231 UTC
C-class flares expected, (probability >=50%)
Quiet (A<20 and K<4)
Quiet
10cm flux | Ap | |
---|---|---|
21 Sep 2016 | 087 | 011 |
22 Sep 2016 | 087 | 007 |
23 Sep 2016 | 087 | 007 |
Solar activity was low. The Sun produced 2 low C flares in the past 24 hours. The brightest flare was a C1.7 flare released by NOAA AR 2595 with peak time 11:51 UT on September 21. Low solar activity (C flaring) is expected in the next 24 hours. Solar wind speed measured by DSCOVR decreased gradually from about 720 to about 550 km/s in the wake of a coronal hole high speed stream. Meanwhile the magnitude of the Interplanetary Magnetic Field varied beween about 1 and 6 nT. Quiet to active geomagnetic conditions (K Dourbes between 2 and 4, NOAA Kp between 2 and 4) were registered in the past 24 hours. Quiet to unsettled levels are expected on September 21, 22 and 23, with a chance for active levels (K Dourbes = 4) on September 21 as the influence of the coronal hole high speed stream wanes.
Today's estimated international sunspot number (ISN): 056, based on 13 stations.
Wolf number Catania | 081 |
10cm solar flux | 085 |
AK Chambon La Forêt | 026 |
AK Wingst | 021 |
Estimated Ap | 023 |
Estimated international sunspot number | 054 - 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
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