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Daily bulletin on solar and geomagnetic activity from the SIDC

Emesso: 2018 Nov 24 1230 UTC

SIDC Forecast

Brillamenti solari

Quiet conditions (<50% probability of C-class flares)

Geomagnetism

Quiet (A<20 and K<4)

Protoni solari

Quiet

	10cm flux	Ap
24 Nov 2018	069	005
25 Nov 2018	069	007
26 Nov 2018	069	016

Bulletin

A single minor B1.1 flare occurred from a new bipolar sunspot group emerging from around midnight near N05E10. Chances for C-class flaring remain very low.

No Earth directed CMEs have been observed in coronagraph images.

Proton flux levels were at background values and are expected to remain so.

A small negative polarity equatorial coronal hole crossed central meridian overnight.

Solar wind was nominal with solar wind speed in the 320-370 km/s range and total magnetic field below 5nT. The magnetic field phi angle is in the negative sector. Nominal conditions are expected over the next days with from November 26 minor enhancements possible due to the relatively small equatorial coronal hole.

Geomagnetic conditions were quiet (local K Dourbes and NOAA Kp 0-1) and are expected to remain so, with from November 26 unsettled conditions possible.

Today's estimated international sunspot number (ISN): 007, based on 03 stations.

Solar indices for 23 Nov 2018

Wolf number Catania	000
10cm solar flux	069
AK Chambon La Forêt	005
AK Wingst	003
Estimated Ap	002
Estimated international sunspot number	000 - Based on 16 stations

Noticeable events summary

Provided by the Solar Influences Data analysis Center© - SIDC - Processed by SpaceWeatherLive

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