Vaata kolmapäev, 7 oktoober 2020 arhiivi

Daily bulletin on solar and geomagnetic activity from the SIDC

Välja antud: 2020 Oct 07 1230 UTC

SIDC Forecast

Päikesepursked ehk loited

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

Geomagnetism

Quiet (A<20 and K<4)

Päikese prootonid

Quiet

	10cm flux	Ap
07 Oct 2020	072	006
08 Oct 2020	072	007
09 Oct 2020	072	007

Bulletin

Solar X-ray flux remained below B level throughout the period. There are no active regions on disk and chances for flaring at C level are very low.

No Earth directed Coronal Mass Ejections (CME's) have been observed in coronagraph data.

The greater than 10 MeV proton flux was at nominal levels in the past 24 hours, and is expected to remain so in the next 24 hours. The greater than 2 MeV electron flux is at enhanced levels reaching just below the 10^3 pfu event threshold at its diurnal maximum. The electron flux is expected to show a slow decrease over the next days.

Solar wind was in a slow wind regime with a slightly enhanced magnetic field. Solar wind speed was in the 320-380 km/s range and total magnetic field in the 3-10nT range. The Bz component of the magnetic field was mostly positive while the phi angle varied somewhat. Close to nominal Solar wind conditions are expected over the next days.

Geomagnetic conditions were quiet to unsettled (NOAA Kp 1 and local K Dourbes 1-3). Geomagnetic conditions are expected to be quiet to unsettled in the next 48 hours.

Today's estimated international sunspot number (ISN): 000, based on 14 stations.

Solar indices for 06 Oct 2020

Wolf number Catania	///
10cm solar flux	072
AK Chambon La Forêt	008
AK Wingst	008
Estimated Ap	009
Estimated international sunspot number	000 - Based on 30 stations

Noticeable events summary

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

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