Emesso: 2014 Mar 09 1229 UTC
Eruptive (C-class flares expected, probability >=50%)
Active conditions expected (A>=20 or K=4)
Quiet
10cm flux | Ap | |
---|---|---|
09 Mar 2014 | 142 | 010 |
10 Mar 2014 | 140 | 009 |
11 Mar 2014 | 140 | 004 |
There are currently 7 sunspot groups visible. They are small and stable, except for NOAA 1996 and NOAA 2002 who gradually gained some sunspot area and developed a small delta in their middle portion. Most flaring activity came from NOAA 2002, with at least 7 C-class flares and one M1-flare peaking at 23:41UT, the strongest event of the period. Based on the currently available imagery, none of the observed CMEs has an Earth directed component. The CME first visible in LASCO/C2 at 18:24UT on 8 March seems to be related to a backside event (coronal dimming near an active region). Eruptive flaring conditions are expected, with a small chance for an M-class flare. Over the last 24 hours, solar wind speed has gradually decreased to values near 350km/s, with Bz varying between -3nT and +3nT. A small coronal hole on the southern hemisphere reached the central meridian (CM) and may have a geomagnetic influence on 12-13 March. Geomagnetic conditions have been quiet. The coronal hole solar wind stream (CM passage 5 March) has not arrived yet. A local active geomagnetic episode remains possible.
Today's estimated international sunspot number (ISN): 083, based on 16 stations.
Wolf number Catania | /// |
10cm solar flux | /// |
AK Chambon La Forêt | /// |
AK Wingst | 004 |
Estimated Ap | 003 |
Estimated international sunspot number | 084 - Based on 22 stations |
Day | Begin | Max | Fine | Loc | Strength | OP | 10cm | Catania/NOAA | Radio burst types |
---|---|---|---|---|---|---|---|---|---|
08 | 2326 | 2341 | 2350 | ---- | M1.4 | --/2002 |
Provided by the Solar Influences Data analysis Center© - SIDC - Processed by SpaceWeatherLive
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