Vaata laupäev, 10 märts 2018 arhiivi

SIDC igapäevane bülletään päikese ja geomagnetilise aktiivsuse kohta

Välja antud: 2018 Mar 10 1232 UTC

SIDC ennustus

Kehtib alates 1230 UTC, 10 Mar 2018 kuni 12 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

10 cm voolAp
10 Mar 2018068031
11 Mar 2018068031
12 Mar 2018068011

Bülletään

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.

A recurrent large elongated negative polarity coronal hole just north of the equator is about to transit the central meridian.

Solar wind conditions became enhanced with an increase in density, speed and magnetic field from around 17:20UT. By 23:00 UT speed reached around 450 km/s and total magnetic field reached 15nT. The total magnetic field remained around 15 nT since then, while speed recovered to under 400 km/s. The Bz component of the magnetic field was consistently negative for a significant amount of time (down to -12nT, but currently -2 to -3 nT). The rotation of the magnetic field as also visible in a gradual shift of the magnetic field phi angle is indicative of the fact that this perturbation marks the passage of the ejecta of March 6 or 7. The timing of the event suggests that the ejecta of March 7 may still arrive later on and cause further perturbations later today or tomorrow. Afterwards, Solar wind conditions should slowly return to nominal with later the influence of the high speed stream of the elongated coronal hole expected from March 14 onwards.

Geomagnetic conditions were quiet to active (NOAA Kp 1-4), with the active periods related to the consistently negative values of Bz. Geomagnetic conditions are expected to remain quiet to active, but should recover to quiet to unsettled on March 12.

Tänane hinnanguline rahvusvaheline päikeselaikude arv (ISN): 000, põhineb 11 jaamadel.

Päikese indeksid 09 Mar 2018

Catania Wolfi number///
10cm päikesevoog068
AK Chambon La Forêt023
AK Wingst014
Hinnanguline Ap013
Hinnanguline rahvusvaheline päikeselaikude arv000 - Põhineb 25 jaamal

Märkimisväärsete sündmuste kokkuvõte

PäevAlgusMaksLõppLokatsioonTugevusOP10cmCatania/NOAARaadiosignaalipursete tüübid
Puuduvad

Andmed on esitanud Päikeseinfektide Andmeanalüüsi Keskus (Solar Influences Data Analysis Center)© - SIDC - Töötleb SpaceWeatherLive

Kõik ajad UTC-s

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