Vaata teisipäev, 11 aprill 2017 arhiivi

SIDC igapäevane bülletään päikese ja geomagnetilise aktiivsuse kohta

Välja antud: 2017 Apr 11 1337 UTC

SIDC ennustus

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 vool	Ap
11 Apr 2017	075	016
12 Apr 2017	074	012
13 Apr 2017	075	009

Bülletään

Solar activity was at very low levels during the period. Low-level B-class flaring was observed from a new active region at the east limb NOAA 2650 (B4.8, B1.6, B3.9, B1.3, B1.3). The filament eruption from the NE quadrant of the Sun is associated with a CME first observed in LASCO-C2 coronograph imagery at 23:28 UT 10 April. WSA/Enlil modeling determined a possible glancing blow from the CME, with arrival on 15 April. The greater than 10MeV proton flux was at nominal levels. Quiet flaring conditions are expected, with a chance on an isolated C-class flare. Solar wind parameters were at nominal levels. Solar wind speed was around 425 km/s. Bz fluctuated between -5.8 and +5.2 nT from 00UT today. A weak connection to an isolated, positive polarity coronal hole is expected to enhance the solar wind conditions slightly more today. The geomagnetic field was at quiet to active levels (Kp NOAA index: 1-4, K Dourbes index: 1-3). Geomagnetic conditions are expected to be quiet to active.

Tänane hinnanguline rahvusvaheline päikeselaikude arv (ISN): 014, põhineb 25 jaamadel.

Päikese indeksid 10 Apr 2017

Catania Wolfi number	///
10cm päikesevoog	074
AK Chambon La Forêt	008
AK Wingst	005
Hinnanguline Ap	005
Hinnanguline rahvusvaheline päikeselaikude arv	014 - Põhineb 31 jaamal

Märkimisväärsete sündmuste kokkuvõte

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

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