Vaata kolmapäev, 1 november 2017 arhiivi

Daily bulletin on solar and geomagnetic activity from the SIDC

Välja antud: 2017 Nov 01 1230 UTC

SIDC Forecast

Valid from 1230 UTC, 01 Nov 2017 until 03 Nov 2017
Päikesepursked ehk loited

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

Geomagnetism

Active conditions expected (A>=20 or K=4)

Päikese prootonid

Quiet

10cm fluxAp
01 Nov 2017075014
02 Nov 2017074016
03 Nov 2017072007

Bulletin

No C-class flares in past 24 h. Only one active region remains visible (NOAA AR 2686, Catania 61) with alpha magnetic field configuration. The X-ray flux is expected to remain below C level.

No Earth directed Coronal Mass Ejections (CMEs) have been detected. Solar protons have remained at background levels over the past 24 h.

Geomagnetic conditions have been quiet (k = 1-2). Solar wind speed is very low, now at 285 km/s with interplanetary magnetic fields of 3 nT. A sector boundary crossing (going from positive to negative polarity) was observed yesterday around 20:00 UT. Therefore, the high speed solar wind stream from a negative polarity low latitude coronal hole (southern hemisphere) can be expected later today. Active to minor storm geomagnetic conditions foreseen.

Today's estimated international sunspot number (ISN): 000, based on 21 stations.

Solar indices for 31 Oct 2017

Wolf number Catania///
10cm solar flux075
AK Chambon La Forêt///
AK Wingst002
Estimated Ap002
Estimated international sunspot number/// - Based on /// stations

Noticeable events summary

DayBeginMaxLõppLocStrengthOP10cmCatania/NOAARadio burst types
Puuduvad

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

Kõik ajad UTC-s

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