Välja antud: 2013 Sep 04 1215 UTC
Eruptive (C-class flares expected, probability >=50%)
Quiet (A<20 and K<4)
Quiet
10cm flux | Ap | |
---|---|---|
04 Sep 2013 | 108 | 008 |
05 Sep 2013 | 110 | 017 |
06 Sep 2013 | 112 | 007 |
Solar activity has been eruptive during the past 24 hours, featuring nine C flares. The brightest flare (C3.6) peaked at 04:28 UT on September 4 and was produced by NOAA AR 11837 like most C flares in this period. More C flares are likely within the next 48 hours, with a slight chance for an M flare, especially from NOAA AR 11837. The solar wind speed ranged between 380 and 480 km/s in the past 24 hours. In the same period, the Interplanetary Magnetic Field decreased from around 8 to 4 nT. The geomagnetic activity was at quiet levels (K Dourbes between 1 and 3; NOAA Kp between 1 and 3) during the past 24 hours. Quiet conditions (K Dourbes < 4) are expected for September 4 to 6, with a chance for active periods on September 5, due to the effects of a Coronal Hole high speed stream.
Today's estimated international sunspot number (ISN): 052, based on 14 stations.
Wolf number Catania | /// |
10cm solar flux | 106 |
AK Chambon La Forêt | 013 |
AK Wingst | 008 |
Estimated Ap | 007 |
Estimated international sunspot number | 051 - Based on 21 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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