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Daily bulletin on solar and geomagnetic activity from the SIDC

Emitido: 2018 Nov 19 1230 UTC

SIDC Forecast

Llamarada solar

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

Geomagnetism

Quiet (A<20 and K<4)

Protones solares

Quiet

	10cm flux	Ap
19 Nov 2018	073	006
20 Nov 2018	073	007
21 Nov 2018	073	012

Bulletin

Solar X-ray flux remained below B level. NOAA region 2727 was stable or in decay while rotating towards the West limb. X-ray flux is expected to remain below C level.

No Earth directed CMEs have been observed in coronagraph images.

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

Solar wind was close to nominal. Solar wind speed varied in the 310-350 km/s range. Total magnetic field reached up to 8nT but is currently back below 5nT. Bz was variable overall. The phi angle was in the negative sector. Solar wind is expected to be near nominal in the next days with later a possible slight increase due to the low latitude extension of the Southern polar coronal hole.

Geomagnetic conditions were quiet to unsettled (NOAA Kp 0-2 and local K Dourbes 0-3). Quiet geomagnetic conditions are expected to be quiet over the next days, possibly later increasing to unsettled conditions.

Today's estimated international sunspot number (ISN): 012, based on 06 stations.

Solar indices for 18 Nov 2018

Wolf number Catania	///
10cm solar flux	072
AK Chambon La Forêt	005
AK Wingst	002
Estimated Ap	002
Estimated international sunspot number	014 - Based on 19 stations

Noticeable events summary

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

All times in UTC

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