Перегляд архіву четвер, 14 травня 2020

Daily bulletin on solar and geomagnetic activity from the SIDC

Випущено: 2020 May 14 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
14 May 2020	068	004
15 May 2020	069	006
16 May 2020	070	005

Bulletin

The Sun was spotless. Solar activity was at very low levels and is expected to remain so.

The greater than 10 MeV proton flux and the greater than 2 MeV electron flux were at nominal levels during the last 24 hours and are expected to remain so.

No earth-directed coronal mass ejections (CMEs) were observed in available coronagraphic imagery.

Solar wind speed was steady around 300 km/s, with Bz varying between -3 and +1 nT (DSCOVR). The direction of the interplanetary magnetic field (phi angle) was mostly in a sunward orientation (negative sector), being in a positive sector from 18:45UT till about 21UT.

Geomagnetic activity was at quiet levels. Geomagnetic conditions are expected to be mostly quiet with an occasional unsettled episode possible.

Today's estimated international sunspot number (ISN): 000, based on 26 stations.

Solar indices for 13 May 2020

Wolf number Catania	///
10cm solar flux	069
AK Chambon La Forêt	008
AK Wingst	004
Estimated Ap	003
Estimated international sunspot number	000 - Based on 29 stations

Noticeable events summary

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

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