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Denní bulletin o sluneční a geomagnetické aktivitě ze SIDC

Vydáno: 2026 Jun 05 1234 UTC

SIDC Předpověď

Sluneční erupce

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

Geomagnetismus

Moderate (ISES: Major) magstorm expected (A>=50 or K=6)

Sluneční protony

Quiet

	10cm tok	Ap
05 Jun 2026	149	037
06 Jun 2026	150	044
07 Jun 2026	150	013

Slunečně aktivní oblasti a vzplanutí

Solar flaring activity was low over the past 24 hours. There are currently 9 numbered regions on the disk. The largest flare was a C1.8 flare (SIDC Flare 7857) peaking on June 04 at 16:35 UTC, which was produced by SIDC Sunspot Group 887 (NOAA Active Region 4459). This region was mostly stable with magnetic type beta. Sunspot Group 886 (NOAA Active Region 4458) continued to grow over the period and has magnetic type beta. Sunspot Group 860 (NOAA Active Region 4455) simplified slightly but remains a large complex region on the disk (magnetic type beta-gamma). The remaining regions are stable and mostly quiet. Solar flaring activity is expected to be moderate over the next 24 hours, with C-class flares expected and M-class flares probable with a chance for X-class flares.

Vyhazování koronální hmoty

A halo Coronal Mass Ejection (CME) is visible in SOHO/LASCO C2 data from 09:12 UTC on June 05. This CME is also visible to the west in COR2/STEREO-A data, indicating this is a back-sided event and not expected to impact Earth. No new Earth directed CMEs were detected the available coronagraph imagery.

Solární bouře

Over the past 24 hours, the solar wind parameters reflected generally slow solar wind conditions until 04:30 UTC on June 05 when a shock was detected in the solar wind data (ACE and DSCOVR) likely associated with the arrival of the first CME from June 03. The interplanetary magnetic field jumped from 8 nT to 13 nT and then gradually increased to 19 nT. The solar wind speed jumped from approximately 436 km/s to 509 km/s and then gradually increased to 550 km/s. Bz was predominantly positive until 07:00 UTC June 05. The solar wind speed and magnetic field strength then decreased slightly before a second increase with a maximum speed recorded of 600 km/s at 10:50 UTC on June 05 and a minimum BZ of -13 nT. Further enhancements in the solar wind speed and magnetic field strength are expected on June 05, due to the possible further arrivals of the CMEs which left the Sun on June 03.

Geomagnetismus

The geomagnetic conditions were at quiet to unsettled levels globally and locally (NOAA Kp and K Bel 1-3). Minor to moderate conditions are expected over the next 24 hours, with major storm conditions possible due to the ongoing and additional expected ICME influence.

Úrovně protonového toku

The greater than 10 MeV proton flux was below the 10 pfu threshold over the past 24 hours. It is expected to remain below this threshold level over the next 24 hours.

Elektronové toky na geostacionární oběžné dráze

The greater than 2 MeV electron flux, as measured by GOES-18 and GOES-19, was below the 1000 pfu threshold. The greater than 2 MeV electron flux is expected to be below this threshold over the next 24 hours. The electron fluence was at normal levels and is expected to be at normal levels for the next 24 hours.

Dnešní odhadovaný mezinárodní počet slunečních skvrn (ISN): 145, na základě 13 stanic.

Solární indexy za 04 Jun 2026

Wolfovo číslo Catania	176
10cm sluneční tok	///
AK Chambon La Forêt	011
AK Wingst	008
Odhadovaný Ap	007
Odhadovaný mezinárodní počet slunečních skvrn	151 - Na základě 22 stanic

Souhrn významných událostí

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

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