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Daily bulletin on solar and geomagnetic activity from the SIDC

Vydáno: 2020 Nov 01 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
01 Nov 2020	077	007
02 Nov 2020	079	007
03 Nov 2020	081	007

Bulletin

The two active regions (ARs) visible on the disk NOAA AR 2778 and 2779 are rotating out of view over the west limb and a new pair of (unnumbered) regions is doing the opposite over the east limb. No significan flares in the past 24 hours. C-class flares are possible

No Earth directed CME was observed in the past 24 hours.

The greater than 10 MeV proton flux was at background levels over the past 24 hours. It is expected to stay at background levels for the next 24 hours. The greater than 2 MeV electrons passed below the 10^3 pfu threshold at 17:00 UT on 31 October. They are expected to remain at low levels.

The speed of the solar wind varied between 360 and 400 km/s. Bz was never below -5 nT and B reached 6 nT. The solar wind speed is expected to remain at low speeds over the next 24 hours.

The geomagnetic conditions were Kp = 2 and KDourbes = 3. The CME from 26 October can arrive to the Earth today and cause up to active conditions. Otherwise quiet conditions expected in the next 24 hours.

Today's estimated international sunspot number (ISN): 002, based on 09 stations.

Solar indices for 31 Oct 2020

Wolf number Catania	///
10cm solar flux	077
AK Chambon La Forêt	009
AK Wingst	006
Estimated Ap	006
Estimated international sunspot number	026 - Based on 22 stations

Noticeable events summary

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

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