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Codzienne wiadomości na temat aktywności słonecznej i geomagnetycznej z SIDC

Odnotowany: 2016 Sep 18 1358 UTC

Prognoza SIDC

Rozbłyski słoneczne

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

Geomagnetyzm

Active conditions expected (A>=20 or K=4)

Monitoring przepływu protonów

Quiet

	strumień 10cm	Ap
18 Sep 2016	080	015
19 Sep 2016	078	008
20 Sep 2016	077	007

Skrót wiadomości

Solar activity was low in the past 24 hours. Only one B4.1 flare was observed today (18-Sep-2016) from active region (AR 2592) which peaked at 02:51 UT. One additional active region is presently observed on the solar disk with the simple magnetic configuration. No Earth-directed CMEs were observed. There is a negative polarity coronal hole presently observed in the geoeffective position of the visible solar disk. Solar protons have remained at background levels over the past 24 hours. Solar activity is expected to be low with a small probability of C-class flares. The variations of the solar wind parameters slightly increased due to the influence of the negative polarity coronal hole currently observed on the visible side of the solar disk. Solar wind speed gradually increased from 310 to 370 km/s. The magnitude of the Interplanetary Magnetic Field (Bt) has increased from 5 to 7 nT, while Bz has fluctuated between +7 and -7 nT during last 24 hr being mainly negative. In the past 24 hours geomagnetic conditions have been quiet ( K Dourbes between 0 and 2; NOAA Kp between 0 and 2). However today at 12:00 UT both K Dourbes and Kp NOAA increased till 3 as the response to the solar wind parameters perturbations. Geomagnetic conditions are expected to be active over next 9-12 hours (Kp NOAA may increase till 4), then geomagnetic conditions are expected to return to mostly quiet levels over the next few days in view of the gradually waning effects of the coronal hole elevated speed stream.

Dzisiejsza szacunkowa międzynarodowa liczba plam na Słońcu (ISN): 038, na podstawie 18 stacji.

Indeksy solarne na 17 Sep 2016

Liczba Wolfa z Katanii	///
Fale radiowe 10,7 cm	080
AK Chambon La Forêt	008
AK Wingst	003
Szacunkowa Ap	003
Szacowana międzynarodowa liczba plam słonecznych	014 - Na podstawie stacji 25

Podsumowanie wydarzeń godnych uwagi

Dostarczone przez Centrum Analizy Danych Wpływów Słonecznych© - SIDC - Przetworzone przez SpaceWeatherLive

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