Vaata neljapäev, 8 märts 2018 arhiivi

Daily bulletin on solar and geomagnetic activity from the SIDC

Välja antud: 2018 Mar 08 1230 UTC

SIDC Forecast

Valid from 1230 UTC, 08 Mar 2018 until 10 Mar 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
08 Mar 2018068015
09 Mar 2018068022
10 Mar 2018068031

Bulletin

Solar X ray flux remained below B level and with no spotted regions on the visible disk chances for any flare occurrences remain very low.

No new Earth directed CMEs have been observed in coronagraph data.

Proton flux levels were at background values and are expected to remain so.

Solar wind became nominal with solar wind speed declining from 400 km/s to 350 km/s and total magnetic field under 6nT. The magnetic field phi angle mostly indicated connection with a positive sector. Solar wind may again increase under the influence of the low latitude extension of the positive polarity northern polar coronal hole. After noon tomorrow March 9, there is a small possibility of minor perturbations associated to the possible passage of the ejecta of March 6. The possible passage of the ejecta of March 7, should not be expected before noon March 10. All those impacts are expected to be fairly minor, if identifiable at all.

Geomagnetic conditions were quiet (both local K Dourbes and NOAA Kp 0-2). Geomagnetic conditions are initially expected to be quiet to unsettled. From noon March 9 onwards an increase to active conditions can not be excluded should any of the mentioned ejecta arrive at Earth and carry a distinctive southward directed magnetic field.

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

Solar indices for 07 Mar 2018

Wolf number Catania000
10cm solar flux068
AK Chambon La Forêt008
AK Wingst005
Estimated Ap004
Estimated international sunspot number000 - Based on 16 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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