Просмотр архива за воскресенье, 15 ноября 2020

Daily bulletin on solar and geomagnetic activity from the SIDC

Существующий: 2020 Nov 15 1231 UTC

SIDC Forecast

Солнечные вспышки

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

Geomagnetism

Quiet (A<20 and K<4)

Солнечные протоны

Quiet

	10cm flux	Ap
15 Nov 2020	079	002
16 Nov 2020	080	002
17 Nov 2020	080	002

Bulletin

Solar activity was at very low levels. NOAA 2781 (Catania 50) was quiet and is about to rotate out of view near the southwest limb. NOAA 2782 (Catania 52) decayed. Old active region NOAA 2778 is rotating over the southeast limb but is currently spotless. Solar activity is expected to be at very low levels, with a small chance on an isolated C-class flare. No earth-directed coronal mass ejections (CMEs) were observed in available coronagraphic imagery.

The greater than 10 MeV proton flux was at nominal levels and is expected to remain so. The greater than 2 MeV electron flux was well below the 1000 pfu alert threshold and is expected to remain so. The 24h electron fluence was at nominal levels and is expected to remain so.

Solar wind speed was stable and varying between 300 and 330 km/s (ACE and DSCOVR). Bz varied between -5 and +4 nT, being mostly negative between 15 and 01UTC, and mostly positive afterwards. The interplanetary magnetic field (phi angle) was predominantly directed towards the Sun (negative sector).

Geomagnetic activity was at quiet levels andis expected to remain so, with a small chance on an isolated unsettled episode.

Today's estimated international sunspot number (ISN): 007, based on 15 stations.

Solar indices for 14 Nov 2020

Wolf number Catania	///
10cm solar flux	080
AK Chambon La Forêt	008
AK Wingst	004
Estimated Ap	003
Estimated international sunspot number	018 - Based on 26 stations

Noticeable events summary

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

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