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Codzienne wiadomości na temat aktywności słonecznej i geomagnetycznej z SIDC

Odnotowany: 2022 May 18 1232 UTC

Prognoza SIDC

Rozbłyski słoneczne

C-class flares expected, (probability >=50%)

Geomagnetyzm

Quiet (A<20 and K<4)

Monitoring przepływu protonów

Quiet

	strumień 10cm	Ap
18 May 2022	174	008
19 May 2022	172	005
20 May 2022	170	005

Skrót wiadomości

Solar flaring activity was low during the last 24 hours, with numerous C-class flares originating from five different Active Regions (AR). NOAA AR 3006 (now behind the western solar limb) produced the brightest event, a C8 flare at 17 May 12:40 UT, while NOAA AR 3014 (Beta- Gamma configuration) was the most active with seven C-class flares. Numerous C-class flares are also expected in the next 24 hours, while an isolated M-class flare is still possible.

A Coronal Mass Ejection (CME) automatically detected by CACTus at 17 May 17:36 UT is estimated to not be geo-effective.

The greater than 10 MeV proton flux was at nominal levels over the past 24 hours and is expected to remain so for the next 24 hours. The greater than 2 MeV electron flux remained below the 1000 pfu alert threshold and is expected to remain below this threshold during the next 24 hours. The 24h electron fluence was at nominal levels and is expected to remain so.

Geomagnetic conditions were globally and locally moderate (NOAA Kp 1-3 and K Dourbes 2-3). Geomagnetic conditions are expected to become quiet during the next 24 hours.

The Solar Wind (SW) conditions (as measured by the DSCOVR and ACE satellites) are currently in transition from a fast to a slow SW regime. The SW speed gradually dropped from 620 to 460 km/s in the last 24 hours. The total magnetic field dropped from 14 to 1 nT, while its Bz component varied between -6 and 5 nT during the last 24 hours. The interplanetary magnetic field phi angle was predominantly positive (directed away from the Sun) during the last 24 hours. The solar wind conditions are expected to gradually return to a slow wind regime in the next 24 hours.

Dzisiejsza szacunkowa międzynarodowa liczba plam na Słońcu (ISN): 131, na podstawie 20 stacji.

Indeksy solarne na 17 May 2022

Liczba Wolfa z Katanii	177
Fale radiowe 10,7 cm	///
AK Chambon La Forêt	///
AK Wingst	///
Szacunkowa Ap	///
Szacowana międzynarodowa liczba plam słonecznych	146 - Na podstawie stacji 27

Podsumowanie wydarzeń godnych uwagi

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

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