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Denní bulletin o sluneční a geomagnetické aktivitě ze SIDC

Vydáno: 2026 Jun 14 1231 UTC

SIDC Předpověď

Sluneční erupce

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

Geomagnetismus

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

Sluneční protony

Quiet

	10cm tok	Ap
14 Jun 2026	120	021
15 Jun 2026	120	021
16 Jun 2026	115	024

Slunečně aktivní oblasti a vzplanutí

Solar flaring activity was low over the past 24 hours, with a few C-class flares recorded. The largest flare was a C2.5 flare (SIDC Flare 7939), peaking at 13:03 UTC on June 13, associated with a filament eruption near S21W73. There are currently four numbered active regions on the visible solar disk. A new region emerged in the northeastern hemisphere and was numbered SIDC Sunspot Group 894 (NOAA Active Region 4468, N10E48; magnetic type beta), but it remained quiet. The remaining active regions are relatively simple (magnetic type alpha or beta) and did not produce any significant flaring activity. Solar flaring activity is expected to remain low over the next 24 hours, with C-class flares very likely and a small chance of M-class flares.

Vyhazování koronální hmoty

No Earth-directed CMEs have been detected in the available coronagraph imagery over the past 24 hours.

Solární bouře

Over the past 24 hours, solar wind parameters (ACE and SOLAR-1) were indicative of a probable mixture of the waning influence of the high- speed stream from the equatorial negative polarity coronal hole SIDC Coronal Hole 147 and the glancing-blow arrival of the ICME associated with the June 11 CME (SIDC CME 675). The solar wind speed decreased from about 620 km/s to approximately 470 km/s. The interplanetary magnetic field was weak, below 7 nT. The magnetic field orientation was predominantly in the negative sector, with the field directed towards the Sun. A gradual return to slow solar wind conditions is mostly expected over the next 24 hours, with a chance of weak enhancements from late on June 14 due to a possible glancing-blow arrival from the June 12 CME (SIDC CME 676).

Geomagnetismus

Geomagnetic conditions reached active levels globally (NOAA Kp = 4) between 18:00 and 21:00 UTC on June 13. Locally over Belgium, quiet to unsettled conditions were observed (K-Bel = 1 to 3). Mostly quiet to unsettled geomagnetic conditions are expected over the next 24 hours, with a chance of active conditions and isolated minor storm periods from late on June 14 due to a possible glancing blow arrival from the June 12 CME (SIDC CME 676).

Úrovně protonového toku

The greater than 10 MeV proton flux, as measured by GOES-18, was below the 10pfu threshold level over the past 24 hours and is expected to remain so over the next 24 hours.

Elektronové toky na geostacionární oběžné dráze

The greater than 2 MeV electron flux, as measured by GOES-19, exceeded the 1000 pfu alert threshold between 12:45 UTC and 16:50 UTC on June 14, reaching a maximum value of 1519 pfu. The greater than 2 MeV electron flux may exceed the alert threshold again over the next 24 hours. The electron fluence was at normal to moderate levels and is expected to remain at these levels over the next 24 hours.

Dnešní odhadovaný mezinárodní počet slunečních skvrn (ISN): 067, na základě 17 stanic.

Solární indexy za 13 Jun 2026

Wolfovo číslo Catania	///
10cm sluneční tok	122
AK Chambon La Forêt	018
AK Wingst	016
Odhadovaný Ap	016
Odhadovaný mezinárodní počet slunečních skvrn	052 - Na základě 19 stanic

Souhrn významných událostí

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

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