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Daily bulletin on solar and geomagnetic activity from the SIDC

Emitido: 2019 Apr 22 1230 UTC

SIDC Forecast

Llamarada solar

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

Geomagnetism

Quiet (A<20 and K<4)

Protones solares

Quiet

	10cm flux	Ap
22 Apr 2019	069	001
23 Apr 2019	069	010
24 Apr 2019	069	011

Bulletin

No flares in the past 24 h. No active regions visible on the solar disk. Solar activity is expected to be low.

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 370 km/s with interplanetary magnetic fields of 6 nT. Quiet geomagnetic conditions were observed in the past hours. The situation is expected to change in April 23-24 due to the arrival of a fast solar wind stream from a negative polarity coronal hole.

Today's estimated international sunspot number (ISN): 000, based on 31 stations.

Solar indices for 21 Apr 2019

Wolf number Catania	///
10cm solar flux	069
AK Chambon La Forêt	003
AK Wingst	///
Estimated Ap	004
Estimated international sunspot number	007 - Based on 30 stations

Noticeable events summary

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

All times in UTC

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