Перегляд архіву вівторок, 30 липня 2019

Daily bulletin on solar and geomagnetic activity from the SIDC

Випущено: 2019 Jul 30 1231 UTC

SIDC Forecast

Сонячні спалахи

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

Geomagnetism

Active conditions expected (A>=20 or K=4)

Сонячні протони

Quiet

	10cm flux	Ap
30 Jul 2019	066	007
31 Jul 2019	067	010
01 Aug 2019	067	014

Bulletin

No active regions visible on the Sun. No flares observed, nor expected.

No Earth directed CMEs in past 24 h. Solar protons have remained at background levels over the past 24 hours.

The solar wind speed is at 360 km/s with interplanetary magnetic field magnitude of 3 nT. Quiet conditions have been observed in the past 24 h. Geomagnetic activity will remain quiet until the high speed solar wind from a negative polarity equatorial coronal hole arrives to the Earth on August 1 (mostly active conditions expected then).

Today's estimated international sunspot number (ISN): 000, based on 23 stations.

Solar indices for 29 Jul 2019

Wolf number Catania	000
10cm solar flux	066
AK Chambon La Forêt	008
AK Wingst	006
Estimated Ap	005
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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