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Codzienne wiadomości na temat aktywności słonecznej i geomagnetycznej z SIDC

Odnotowany: 2023 May 16 1238 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
16 May 2023	133	008
17 May 2023	135	009
18 May 2023	135	010

Aktywne obszary słoneczne i rozbłyski

The solar flaring activity was at low level with several C-class flares being detected in the last 24 hours. The largest flare was a C2.0 flare, peaking at 09:54 UTC on May 16, associated with ARs behind the east limb (S23E89). NOAA AR 3305 became magnetically more complex (from beta to beta-gamma class), but produced only low C-class flares in the last 24 hours. Low flaring activity was also produced by NOAA ARs 3304 (beta class) and 3306 (beta class). Other regions on the disc have simple configuration of their photospheric magnetic field (alpha and beta) and did not show any significant flaring activity. The solar flaring activity is expected to remain at low levels, with C-class flares likely and a chance for M-class flares.

Koronalny wyrzut masy

During the last 24 hours there were no potentially Earth-directed CMEs detected in the available coronagraph observations.

Coronal holes:

Wiatr słoneczny

The solar wind conditions reflected the waning influence of the ICME. The solar wind speed values were between 440 km/s and 510 km/s. The interplanetary magnetic field magnitude ranged between 3 nT and 7 nT. The southward component of the interplanetary magnetic field fluctuated between -5 nT and 6 nT. The solar wind speed is expected to continue to gradually decrease over the next 24 hours with a low probability for further minor enhancements, due to a small chance for glancing blow arrival related to CME on May 12.

Geomagnetyzm

During last 24 hours the geomagnetic conditions were at quiet to unsettled levels (NOAA KP 1-3 and Local K Dourbes 1-3). Geomagnetic conditions are expected at quiet to unsettled levels during next days with a small chance for active periods due to low probability of minor glancing blow arrival.

Poziomy przepływu protonów

In the past 24 hours the greater than 10 MeV proton flux was below 10 pfu threshold and is expected to remain so.

Strumienie elektronów na orbicie geostacjonarnej

The greater than 2 MeV electron flux was below the 1000 pfu threshold and is expected to remain below this threshold for the next days. The 24h electron fluence was at normal level. The electron fluence is expected to be at normal levels in the next days.

Dzisiejsza szacunkowa międzynarodowa liczba plam na Słońcu (ISN): 098, na podstawie 22 stacji.

Indeksy solarne na 15 May 2023

Liczba Wolfa z Katanii	///
Fale radiowe 10,7 cm	135
AK Chambon La Forêt	012
AK Wingst	008
Szacunkowa Ap	007
Szacowana międzynarodowa liczba plam słonecznych	106 - Na podstawie stacji 21

Podsumowanie wydarzeń godnych uwagi

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

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