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Denní bulletin o sluneční a geomagnetické aktivitě ze SIDC

Vydáno: 2024 May 14 1231 UTC

SIDC Předpověď

Sluneční erupce

M-class flares expected (probability >=50%)

Geomagnetismus

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

Sluneční protony

Proton event in progress (>10 MeV)

	10cm tok	Ap
14 May 2024	212	011
15 May 2024	205	025
16 May 2024	200	010

Slunečně aktivní oblasti a vzplanutí

Solar flaring activity was high during the last 24 hours with an X1.7 flare produced by NOAA Active Region (AR) 3664 (magnetic configuration Beta-Gamma-Delta, Catania sunspot group 86). NOAA AR 3664 and NOAA AR 3674 (magnetic configuration Beta, Catania sunspot group 3) produced all of the M-class flaring activity of the past 24 hours. NOAA AR 3664 is expected to continue its flaring activity at an M-class level with a chance of an isolated X-class flare. NOAA AR 3674 is expected to reduce its activity to the C-class level.

Vyhazování koronální hmoty

A halo Coronal Mass Ejection (CME) can be seen in STEREO-A/COR2 and SOHO/LASCO images starting from yesterday 09:44 UTC. It is estimated to be Earth-directed and is expected to arrive at Earth later today.

Solární bouře

During the last 24 hours the Solar Wind (SW) speed continue its drop and the magnetic conditions continue to be undisturbed. The SW speed dropped from 760 to 500 km/s, while the total interplanetary magnetic field (Bt) varied between 3 and 9 nT. The North-South magnetic component (Bz) ranged between -3 and 7 nT, while the interplanetary magnetic field phi angle varied between directed away and towards the Sun. A Coronal Mass Ejection (CME) is expected to arrive at Earth late today and cause significant disruption.

Geomagnetismus

Geomagnetic conditions were both globally and locally unsettled to quiet (NOAA Kp 3+ to 2- and K BEL 3 to 2) during the past 24 hours. In the next 24 hours they are expected to reach active or minor storm levels as a result of the expected arrival of a Coronal Mass Ejection (CME).

Úrovně protonového toku

The greater than 10 MeV proton flux, as measured by the GOES-18 satellite, increased above the 10 pfu threshold level since yesterday 14:20 UTC. It is expected to stay above this alert level for the next 24 hours.

Elektronové toky na geostacionární oběžné dráze

The greater than 2 MeV electron flux, as measured by the GOES-18 satellite, increased to levels around the 1000 pfu alert threshold. It is expected to remain close to the alert level for the next 24 hours. The 24h electron fluence increased during the past 24 hours but remain at low levels. It is expected remain at the same level in the next 24 hours.

Dnešní odhadovaný mezinárodní počet slunečních skvrn (ISN): 193, na základě 13 stanic.

Solární indexy za 13 May 2024

Wolfovo číslo Catania	252
10cm sluneční tok	215
AK Chambon La Forêt	019
AK Wingst	025
Odhadovaný Ap	033
Odhadovaný mezinárodní počet slunečních skvrn	225 - Na základě 22 stanic

Souhrn významných událostí

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

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