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Daily bulletin on solar and geomagnetic activity from the SIDC

Emitido: 2019 Apr 26 1230 UTC

SIDC Forecast

Llamarada solar

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

Geomagnetism

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

Protones solares

Quiet

	10cm flux	Ap
26 Apr 2019	068	005
27 Apr 2019	068	011
28 Apr 2019	068	007

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 at 400 km/s with interplanetary magnetic field magnitude of 4 nT. Geomagnetic conditions have been quiet. The solar wind emanating from a small negative polarity equatorial coronal hole may affect the Earth in 24 h, up to k = 4 can be expected.

Today's estimated international sunspot number (ISN): 000, based on 18 stations.

Solar indices for 25 Apr 2019

Wolf number Catania	///
10cm solar flux	068
AK Chambon La Forêt	008
AK Wingst	///
Estimated Ap	007
Estimated international sunspot number	000 - 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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