Vaata neljapäev, 1 veebruar 2018 arhiivi

Daily bulletin on solar and geomagnetic activity from the SIDC

Välja antud: 2018 Feb 01 1230 UTC

SIDC Forecast

Valid from 1230 UTC, 01 Feb 2018 until 03 Feb 2018
Päikesepursked ehk loited

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

Geomagnetism

Quiet (A<20 and K<4)

Päikese prootonid

Quiet

10cm fluxAp
01 Feb 2018069007
02 Feb 2018069007
03 Feb 2018069007

Bulletin

Solar activity was low, no C-class flares in past 24 h. NOAA 2697 has decayed from beta to alpha magnetic field configuration, no significant flares are expected in the coming hours.

Proton flux levels are at background values and are expected to remain so. No Earth-directed CMEs were observed.

Solar wind speed is at 430 km/s with interplanetary magnetic field magnitude of 3 nT. Geomagnetic conditions reached active levels (K = 4) overnight due to the mild effect of the solar wind emanating from equatorial diffuse coronal holes (speeds reaching only 460 km/s and interplanetary magnetic field 9 nT). Quiet to unsettled conditions can be expected in the next 48 h.

Today's estimated international sunspot number (ISN): 000, based on 09 stations.

Solar indices for 31 Jan 2018

Wolf number Catania013
10cm solar flux069
AK Chambon La Forêt013
AK Wingst007
Estimated Ap007
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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