Het archief bekijken van vrijdag 3 mei 2019

Dagelijks bulletin over zonne- en geomagnetische activiteit van het SIDC

Datum verslag: 2019 May 03 1230 UTC

SIDC Prognose

Zonnevlammen

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

Geomagnetisme

Quiet (A<20 and K<4)

Proton Flux monitor

Quiet

	10cm flux	Ap
03 May 2019	069	010
04 May 2019	068	005
05 May 2019	068	006

Bulletin

Solar activity is still low, but the background X-ray flux has slightly increased due to the active region that is in the course of rotation to the visible side of the Sun. During last 24 hours one weak B-class flare was reported. We expect the low level of solar flaring activity to persist in the coming hours, with B-class flares expected and C-class flares possible but not very probable. During last 24 hours no Earth directed CMEs have been observed and the solar protons remained at background level. The solar wind speed is about 440 km/s and the interplanetary magnetic field magnitude presently amounts 4 nT. Small equatorial coronal hole of negative polarity has reached central meridian this morning. The associated fast solar wind is expected to arrive at the Earth on May 6. The geomagnetic conditions are presently quiet to unsettled (local station at Dourbes and NOAA reported K=3 and Kp=2, respectively) and we expect them to stay so in the coming hours.

Het geschatte internationale zonnevlekkengetal (ISN) van vandaag: 000, gebaseerd op 17 stations.

Zon indexen voor 02 May 2019

Wolfgetal Catania	///
10cm zonneflux	///
AK Chambon La Forêt	///
AK Wingst	///
Geschatte Ap	///
Geschat internationaal zonnevlekkengetal	000 - Gebaseerd op 26 stations

Overzicht opvallende gebeurtenissen

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

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