Het archief bekijken van maandag 27 januari 2025

Dagelijks bulletin over zonne- en geomagnetische activiteit van het SIDC

Datum verslag: 2025 Jan 27 1231 UTC

SIDC Prognose

Zonnevlammen

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

Geomagnetisme

Quiet (A<20 and K<4)

Proton Flux monitor

Quiet

	10cm flux	Ap
27 Jan 2025	189	003
28 Jan 2025	187	004
29 Jan 2025	183	006

Zonnevlekkengebieden en zonnevlammen

A total of 9 numbered sunspot groups were identified on the disk over the past 24 hours. Solar flaring activity was moderate over the past 24 hours, with 1 M-class flares identified. This flare was a M2.69 flare peaking on November 27 at 08:10 UTC, which was produced by a region over the east limb in the northern hemisphere of the Sun. SIDC Sunspot Group 383 (NOAA Active Region 3971) is the most magnetically complex region on disk with a beta-gamma configuration. SIDC Sunspot Group 346 (NOAA Active Region 3961) has rotated over the west limb out of view. Solar flaring activity is expected to be moderate over the next 24 hours, with M-class flares very likely and a small chance for X-class flares.

Coronale massa uitstoten

No Earth-directed Coronal Mass Ejections (CMEs) have been detected in the available coronagraph images.

Zonnewind

Over the past 24 hours the Earth was under the slow solar wind regime. The solar wind speed ranged from 270 km/s to 380 km/s and the total interplanetary magnetic field ranged from 1 nT to 7 nT, with the Bz component reaching a minimum of -3 nT. The phi-angle was mainly in the negative sector (directed towards the Sun). Similar slow solar wind conditions are expected for the next 24 hours.

Geomagnetisme

The geomagnetic conditions over the past 24 hours have been quiet locally and globally (K BEL 1–2 and Kp 1–2). Quiet conditions are expected for the next 24 hours.

Proton flux niveaus

Over the past 24 hours, the greater than 10 MeV GOES proton flux was at background levels and is expected to remain so over the next days.

Elektronenfluxen in geostationaire baan

The greater than 2 MeV electron flux, as measured by the GOES-16 satellite, was below the 1000 pfu threshold level over the past 24 hours. However, greater than 2 MeV electron flux, as measured by the GOES-18 satellite, was slightly above the threshold level from 18:45 UTC to 22:40 UTC on Jan 26. The electron flux is expected to remain below the threshold in the coming 24 hours, though crossing the threshold level cannot be excluded. The 24h electron fluence is presently at normal level, and it is expected to remain so in the next 24 hours.

Het geschatte internationale zonnevlekkengetal (ISN) van vandaag: 053, gebaseerd op 13 stations.

Zon indexen voor 26 Jan 2025

Wolfgetal Catania	///
10cm zonneflux	171
AK Chambon La Forêt	005
AK Wingst	002
Geschatte Ap	002
Geschat internationaal zonnevlekkengetal	109 - Gebaseerd op 12 stations

Overzicht opvallende gebeurtenissen

Aangeboden door het Solar Influences Data Analysis Center© - SIDC - Verwerkt door SpaceWeatherLive

Alle tijden in UTC

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