Vaata pühapäev, 4 veebruar 2018 arhiivi

Daily bulletin on solar and geomagnetic activity from the SIDC

Välja antud: 2018 Feb 04 1230 UTC

SIDC Forecast

Valid from 1230 UTC, 04 Feb 2018 until 06 Feb 2018
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
04 Feb 2018069013
05 Feb 2018069010
06 Feb 2018069007

Bulletin

Solar activity was low, no C-class flares in past 24 h. NOAA 2698 decayed into a plage, no active regions visible. 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 330 km/s with interplanetary magnetic field magnitude of 4 nT. Geomagnetic conditions have been quiet. The fast speed solar wind coming from the low latitude extension of the northern polar coronal hole (reaching up to 20 degrees north in latitude) could affect the Earth today (but it might as well miss it), unsettled to active conditions can be expected.

Today's estimated international sunspot number (ISN): 000, based on 16 stations.

Solar indices for 03 Feb 2018

Wolf number Catania///
10cm solar flux069
AK Chambon La Forêt010
AK Wingst004
Estimated Ap004
Estimated international sunspot number000 - Based on 14 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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