Välja antud: 2015 Sep 30 1230 UTC
M-class flares expected (probability >=50%)
Quiet (A<20 and K<4)
Warning condition (activity levels expected to increase, but no numeric forecast given)
10cm flux | Ap | |
---|---|---|
30 Sep 2015 | 130 | 006 |
01 Oct 2015 | 120 | 008 |
02 Oct 2015 | 110 | 007 |
Solar flaring activity has slightly reduced, though there were still two M1 flares (M1.1 peaking at 19:24 UT and M1.3 at 10:58 UT) originating from NOAA active region (AR) 2422. In addition, NOAA AR 2420, 2423 and 2427 contributed to the solar activity with a few C-class flares. No significant associated CME was observed in current coronagraphic data. More (low) M-class flares are expected, mainly from NOAA AR 2422, which still has a beta-gamma-delta configuration. NOAA ARs 2427 and 2420 show flux emergence and also do have flaring potential. Due to the position of NOAA ARs 2422 and 2423, we still retain the warning level for a potential proton event. The Earth is still inside a slow (values between 320 and 360 km/s) solar wind flow and the interplanetary magnetic field magnitude remains around 5 nT. The geomagnetic conditions are quiet (K<3) to unsettled (K=3) and are mainly expected to remain so. There is a some chance for isolated time slots of active conditions (K=4).
Today's estimated international sunspot number (ISN): 091, based on 24 stations.
Wolf number Catania | /// |
10cm solar flux | 129 |
AK Chambon La Forêt | 006 |
AK Wingst | 007 |
Estimated Ap | 006 |
Estimated international sunspot number | 108 - Based on 24 stations |
Day | Begin | Max | Lõpp | Loc | Strength | OP | 10cm | Catania/NOAA | Radio burst types |
---|---|---|---|---|---|---|---|---|---|
29 | 1920 | 1924 | 1927 | S20W36 | M1.1 | 1B | 39/2422 | III/2 | |
30 | 1049 | 1059 | 1113 | ---- | M1.3 | --/2422 |
Provided by the Solar Influences Data analysis Center© - SIDC - Processed by SpaceWeatherLive
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