Emesso: 2014 Aug 31 1227 UTC
Eruptive (C-class flares expected, probability >=50%)
Active conditions expected (A>=20 or K=4)
Quiet
10cm flux | Ap | |
---|---|---|
31 Aug 2014 | 135 | 016 |
01 Sep 2014 | 135 | 006 |
02 Sep 2014 | 140 | 004 |
A handful of C-class flares were observed, with NOAA AR 2149 and AR 2152 as source regions. NOAA AR 2152 has grown in size and complexity and has developed to a beta-gamma region. More C-class flares are expected, with a slight chance for an M-class flare. No Earth-directed CMEs were visible in coronographic images. The solar wind is under influence of a coronal hole (CH) high speed stream (HSS). The solar wind speed, as observed by ACE, reached values between 400 and 450 km/s. The magnetic field is relatively stable around 6 to 7 nT, with a fluctuating Bz. Geomagnetic conditions are unsettled to active and are expected remain so for the next few hours, until quiet conditions return.
Today's estimated international sunspot number (ISN): 057, based on 17 stations.
Wolf number Catania | /// |
10cm solar flux | 123 |
AK Chambon La Forêt | 019 |
AK Wingst | 016 |
Estimated Ap | 017 |
Estimated international sunspot number | 057 - Based on 15 stations |
Day | Begin | Max | Fine | Loc | Strength | OP | 10cm | Catania/NOAA | Radio burst types | |
---|---|---|---|---|---|---|---|---|---|---|
Nessuna |
Provided by the Solar Influences Data analysis Center© - SIDC - Processed by SpaceWeatherLive
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