Prohlížíte si archiv pondělí 10. dubna 2017

Denní bulletin o sluneční a geomagnetické aktivitě ze SIDC

Vydáno: 2017 Apr 10 1231 UTC

SIDC Předpověď

Sluneční erupce

Quiet conditions (<50% probability of C-class flares)

Geomagnetismus

Quiet (A<20 and K<4)

Sluneční protony

Quiet

	10cm tok	Ap
10 Apr 2017	073	006
11 Apr 2017	072	011
12 Apr 2017	071	007

Bulletin

Solar activity was at very low levels during the period. Low-level B-class flaring was observed from NOAA 2648 (B1.8) and from a new active region at the east limb NOAA 2650 (B2.7, B1.1, B1.3). No earth-directed coronal mass ejections (CMEs) were observed in available coronagraphic imagery. 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 speed declined from about 470 km/s to values around 420 km/s. Bz fluctuated between -3.5 and +7 nT, being positive after 16UT. The interplanetary magnetic field was initially directed away from the Sun, but changed to a mostly toward the Sun direction after 02UT.

Solar wind parameters are expected to decline further today. A weak connection to an isolated, positive polarity coronal hole is expected to enhance the solar wind environment from tomorrow.

The geomagnetic field was at active to quiet levels (Kp NOAA index: 3-1). Local geomagnetic data were missing for the period. Geomagnetic conditions are expected to be quiet to unsettled.

Dnešní odhadovaný mezinárodní počet slunečních skvrn (ISN): 014, na základě 21 stanic.

Solární indexy za 09 Apr 2017

Wolfovo číslo Catania	///
10cm sluneční tok	074
AK Chambon La Forêt	015
AK Wingst	014
Odhadovaný Ap	015
Odhadovaný mezinárodní počet slunečních skvrn	000 - Na základě 21 stanic

Souhrn významných událostí

Poskytuje Centrum pro analýzu dat o solárních vlivech© - SIDC - Zpracováno SpaceWeatherLive

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