Het archief bekijken van woensdag 30 mei 2018

Dagelijks bulletin over zonne- en geomagnetische activiteit van het SIDC

Datum verslag: 2018 May 30 1230 UTC

SIDC Prognose

Zonnevlammen

Quiet conditions (<50% probability of C-class flares)

Geomagnetisme

Minor storm expected (A>=30 or K=5)

Proton Flux monitor

Quiet

	10cm flux	Ap
30 May 2018	075	005
31 May 2018	075	010
01 Jun 2018	075	035

Bulletin

Beta region NOAA AR 2712 produced one B1.0 flare in the past 24 hours. The chance for a C flare in the next 24 hours is estimated at 25%.

No Earth-directed Coronal Mass Ejections (CMEs) were observed in available coronagraphic imagery.

The greater than 10 MeV proton flux was at nominal levels in the past 24 hours, and is expected to stay at nominal levels in the next 24 hours.

Solar wind speed near Earth as registered by DSCOVR varied between about 310 and 440 km/s in the past 24 hours. The Interplanetary Magnetic Field (IMF) was directed away from the Sun and its magnitude varied between about 0 and 6 nT. Bz was never below -5 nT. A high speed stream associated with a negative polarity equatorial coronal hole is expected to arrive near Earth late on May 31 or on June 1.

Quiet geomagnetic conditions (K Dourbes between 0 and 2; NOAA Kp = 1) were registered in the past 24 hours. Quiet to unsettled levels (K Dourbes < 4) are expected on May 30 and 31, with a chance for active to minor storm intervals (K Dourbes between 4 and 5) late on May 31 due to the expected arrival of the solar wind stream associated with the equatorial coronal hole. Active to minor storm levels are possible on June 1.

Het geschatte internationale zonnevlekkengetal (ISN) van vandaag: 022, gebaseerd op 25 stations.

Zon indexen voor 29 May 2018

Wolfgetal Catania	///
10cm zonneflux	075
AK Chambon La Forêt	008
AK Wingst	006
Geschatte Ap	004
Geschat internationaal zonnevlekkengetal	025 - Gebaseerd op 28 stations

Overzicht opvallende gebeurtenissen

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

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