Prohlížíte si archiv úterý 15. srpna 2017

Daily bulletin on solar and geomagnetic activity from the SIDC

Vydáno: 2017 Aug 15 1230 UTC

SIDC Forecast

Sluneční erupce

C-class flares expected, (probability >=50%)

Geomagnetism

Quiet (A<20 and K<4)

Sluneční protony

Quiet

	10cm flux	Ap
15 Aug 2017	073	007
16 Aug 2017	075	008
17 Aug 2017	077	016

Bulletin

NOAA AR 2671 rotated into view and has produced several C-class flares associated with small faint CMEs (not Earth affecting). The strongest flare was a C2.3 at 22:10 UT on August 14. More C-class flares can be expected.

No Earth directed Coronal Mass Ejections (CMEs) have been detected. Solar protons have remained at background levels over the past 24 hours.

Geomagnetic conditions have been quiet (K and Kp 1 to 2). Solar wind speed is at 420 km/s with interplanetary magnetic field intensity of 4 nT. The fast solar wind from a coronal hole is expected to arrive on August 16-17, producing up to minor storm conditions. Quiet conditions are expected until then.

Today's estimated international sunspot number (ISN): 020, based on 19 stations.

Solar indices for 14 Aug 2017

Wolf number Catania	///
10cm solar flux	073
AK Chambon La Forêt	009
AK Wingst	006
Estimated Ap	005
Estimated international sunspot number	007 - Based on 32 stations

Noticeable events summary

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

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