Vaata kolmapäev, 30 november 2016 arhiivi

Daily bulletin on solar and geomagnetic activity from the SIDC

Välja antud: 2016 Nov 30 1230 UTC

SIDC Forecast

Valid from 1230 UTC, 30 Nov 2016 until 02 Dec 2016
Päikesepursked ehk loited

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

Geomagnetism

Quiet (A<20 and K<4)

Päikese prootonid

Quiet

10cm fluxAp
30 Nov 2016087003
01 Dec 2016088003
02 Dec 2016088003

Bulletin

The strongest events of the period were two M1 flares peaking at resp. 17:23UT and 23:38UT. Both were produced by sunspot region NOAA 2615 (S05E45), with no obvious coronal dimming observed. A small delta in the middle portion of NOAA 2615 was the cause of all the flaring. This sunspot region is still quite small, but is gradually growing and has mostly kept its relatively complex magnetic configuration. NOAA 2612 and NOAA 2614 are decaying and were quiet. No earth-directed coronal mass ejections (CMEs) were observed in available coronagraphic imagery from SOHO and STEREO-A. The greater than 10MeV proton flux was at nominal levels.

C-class flares are expected, with a chance on another M-class event from NOAA 2615.

Solar wind parameters are at nominal levels, with the wind speed near 350 km/s and Bz fluctuating between -3 nT and +4 nT. The interplanetary magnetic field was mostly directed away from the Sun. Solar wind parameters are expected to remain at nominal values.

The geomagnetic field was at quiet levels, with a single unsettled episode at Dourbes (21-24UT). Geomagnetic activity is expected to remain at quiet levels.

Today's estimated international sunspot number (ISN): 062, based on 21 stations.

Solar indices for 29 Nov 2016

Wolf number Catania///
10cm solar flux086
AK Chambon La Forêt010
AK Wingst008
Estimated Ap006
Estimated international sunspot number051 - Based on 30 stations

Noticeable events summary

DayBeginMaxLõppLocStrengthOP10cmCatania/NOAARadio burst types
29171917231726S07E55M1.0SN--/2615
29232923382340S08E52M1.2SF--/2615

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

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