Перегляд архіву середа, 17 червня 2020

Daily bulletin on solar and geomagnetic activity from the SIDC

Випущено: 2020 Jun 17 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
17 Jun 2020	069	011
18 Jun 2020	069	008
19 Jun 2020	069	007

Bulletin

There is no active region on the visible Sun. No B or brighter flares in the past 24 hours, none expected.

No Earth-directed Coronal Mass Ejections (CMEs) were observed in available coronagraphic imagery.

The greater than 10 MeV proton flux was at nominal levels in the past 24 hours, and is expected to stay at nominal levels in the next 24 hours.

Solar wind speed near Earth has remained at around 330 km/s in the past 24 hours. The periods of high speed observed yesterday by DSCOVR were not real, there was a problem with the data. The Interplanetary Magnetic Field is at about 5 nT.

Quiet to unsettled geomagnetic conditions were observed locally (K Dourbes between 0 and 3) and Kp ranged between 0 and 2 in the past 24 hours. Unsettled to active periods could occur in the coming 24 hours, due to high speed solar wind effects, although the faint/patchy nature of the coronal hole at the Sun may indicate that there will be no observable effect at the Earth.

Today's estimated international sunspot number (ISN): 000, based on 17 stations.

Solar indices for 16 Jun 2020

Wolf number Catania	000
10cm solar flux	069
AK Chambon La Forêt	011
AK Wingst	009
Estimated Ap	006
Estimated international sunspot number	000 - Based on 26 stations

Noticeable events summary

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

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