Перегляд архіву пʼятниця, 29 листопада 2019

Daily bulletin on solar and geomagnetic activity from the SIDC

Випущено: 2019 Nov 29 1231 UTC

SIDC Forecast

Сонячні спалахи

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

Geomagnetism

Quiet (A<20 and K<4)

Сонячні протони

Quiet

	10cm flux	Ap
29 Nov 2019	070	004
30 Nov 2019	070	003
01 Dec 2019	070	003

Bulletin

Solar activity was at very low levels. The earth-facing solar hemisphere was devoid of sunspots. No earth-directed coronal mass ejections (CMEs) have been observed in available coronagraphic imagery. The greater than 10 MeV proton flux was at nominal values.

Solar activity is expected to remain at very low levels.

Solar wind speed values were around 330 km/s during the first half of the period, then around 360 km/s during the second half (ACE). Bz varied between -5 and +6 nT. The interplanetary magnetic field (phi angle) was predominantly directed towards the Sun (negative sector). Geomagnetic activity was at quiet levels (both Kp and K Dourbes).

Geomagnetic activity is expected to remain at mostly quiet levels.

Today's estimated international sunspot number (ISN): 000, based on 14 stations.

Solar indices for 28 Nov 2019

Wolf number Catania	///
10cm solar flux	070
AK Chambon La Forêt	006
AK Wingst	005
Estimated Ap	004
Estimated international sunspot number	000 - Based on 09 stations

Noticeable events summary

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

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