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Daily bulletin on solar and geomagnetic activity from the SIDC

Emesso: 2019 Sep 02 1230 UTC

SIDC Forecast

Brillamenti solari

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

Geomagnetism

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

Protoni solari

Quiet

	10cm flux	Ap
02 Sep 2019	067	025
03 Sep 2019	069	017
04 Sep 2019	071	017

Bulletin

Solar activity has been very low. There is one small active region visible on the solar disk, NOAA AR 2748, with beta magnetic field configuration. Solar activity is expected to remain 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 670 km/s with interplanetary magnetic field magnitude of 3 nT. The Earth is still inside the high speed solar wind from a positive polarity coronal hole. As a consequence of the high speeds (up to 750 km/s in past 24 h) , geomagnetic conditions have reached 6 in Kp and 5 locally at K Dourbes. Unsettled to active conditions can be expected for the next 48 h.

Today's estimated international sunspot number (ISN): 015, based on 22 stations.

Solar indices for 01 Sep 2019

Wolf number Catania	///
10cm solar flux	067
AK Chambon La Forêt	056
AK Wingst	040
Estimated Ap	051
Estimated international sunspot number	014 - Based on 23 stations

Noticeable events summary

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

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