Prohlížíte si archiv pondělí 14. října 2019

Daily bulletin on solar and geomagnetic activity from the SIDC

Vydáno: 2019 Oct 14 1230 UTC

SIDC Forecast

Sluneční erupce

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

Geomagnetism

Quiet (A<20 and K<4)

Sluneční protony

Quiet

	10cm flux	Ap
14 Oct 2019	067	006
15 Oct 2019	067	007
16 Oct 2019	067	007

Bulletin

The Sun is spotless and did not produce any flares in the past 24 hours. The chance for a C flare in the next 24 hours is estimated at only 1%.

No Earth-directed Coronal Mass Ejections (CMEs) were observed in available coronagraphic imagery.

The greater than 10 MeV proton flux was at nominal levels in the past 24 hours, and is expected to stay at nominal levels in the next 24 hours.

Solar wind speed near Earth as registered by ACE varied between about 310 and 360 km/s in the past 24 hours. The Interplanetary Magnetic Field (IMF) was predominantly directed away from the Sun before 3h UT on October 14, and predominantly towards the Sun afterwards, and its magnitude varied between about 1 and 6 nT. Bz was never below -5 nT. Weak enhancements in the solar wind are possible on October 14 and 15 due to the influence of a negative polarity coronal hole that crossed the central meridian on October 10.

Quiet geomagnetic conditions (K Dourbes between 0 and 2; NOAA Kp between 0 and 2) were registered in the past 24 hours. Quiet to unsettled geomagnetic levels (K Dourbes < 4) are expected on October 14, 15 and 16.

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

Solar indices for 13 Oct 2019

Wolf number Catania	///
10cm solar flux	067
AK Chambon La Forêt	005
AK Wingst	001
Estimated Ap	001
Estimated international sunspot number	000 - Based on 27 stations

Noticeable events summary

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

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