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Daily bulletin on solar and geomagnetic activity from the SIDC

Emesso: 2016 Nov 03 1253 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
03 Nov 2016	076	024
04 Nov 2016	075	013
05 Nov 2016	074	009

Bulletin

Solar activity was very low in the past 24 hours. No C-class flares, no Earth-directed CMEs were observed. NOAA AR 2605 (Catania 52) is decaying, while old active region NOAA 2602 is rounding the northeast limb. There are 2 stable filaments on the visible side of the solar disk. Solar proton flux intensity is expected to lie within the background levels. Quiet flaring conditions are expected to continue, with a small chance of an isolated B-class flare. Solar wind speed decreased from about 440 km/s to its current values near 390 km/s. Total Interplanetary Magnetic Field (IMF) strength fluctuated between 6 nT and 8 nT, while Bz fluctuated between +1 nT and -6.5 nT, and was mostly negative. As the result the geomagnetic conditions have been slightly disturbed in the past 24 hours, (K Dourbes between 2 and 4; NOAA Kp between 2 and 4). The geomagnetic environment is expected to continue at the slightly disturbed levels, minor geomagnetic storm (Kp=4, Dst = 60) can be expected today.

Today's estimated international sunspot number (ISN): 031, based on 21 stations.

Solar indices for 02 Nov 2016

Wolf number Catania	000
10cm solar flux	076
AK Chambon La Forêt	024
AK Wingst	021
Estimated Ap	019
Estimated international sunspot number	000 - Based on 28 stations

Noticeable events summary

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

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