Vaata teisipäev, 30 jaanuar 2018 arhiivi

Daily bulletin on solar and geomagnetic activity from the SIDC

Välja antud: 2018 Jan 30 1230 UTC

SIDC Forecast

Valid from 1230 UTC, 30 Jan 2018 until 01 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
30 Jan 2018068007
31 Jan 2018070015
01 Feb 2018070007

Bulletin

Solar activity was low, no C-class flares in past 24 h. The situation is not expected to change, as there are no active regions on disk.

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

Solar wind speed is at 340 km/s with interplanetary magnetic field magnitude of 3 nT. Geomagnetic conditions have been quiet to unsettled and are expected to remain so. Isolated active periods remain possible in the next 24 h, due to the probable arrival of moderately fast solar wind streams associated with a negative polarity diffuse equatorial coronal hole.

Today's estimated international sunspot number (ISN): 000, based on 20 stations.

Solar indices for 29 Jan 2018

Wolf number Catania000
10cm solar flux068
AK Chambon La Forêt008
AK Wingst004
Estimated Ap002
Estimated international sunspot number000 - Based on 19 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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