Het archief bekijken van vrijdag 20 december 2019

Dagelijks bulletin over zonne- en geomagnetische activiteit van het SIDC

Datum verslag: 2019 Dec 20 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
20 Dec 2019	070	007
21 Dec 2019	070	007
22 Dec 2019	070	007

Bulletin

Solar X ray flux remained below B level throughout the period. There are no spotted regions on disk and X-ray flux is expected to remain at background levels.

No Earth-directed CME's were detected in coronagraph images.

Solar high energy proton fluxes were at background levels and are expected to remain so.

Solar wind conditions have seen the expected decline of the high speed stream. Solar wind speed decreased from just under 550 km/s to under 450 km/s. Total magnetic field was stable around 4nT with a variable Bz component. Solar wind conditions are expected to further decline over the next days.

Geomagnetic conditions were quiet (NOAA Kp and local K Dourbes 0-2) and are expected to remain quiet over the next days.

Het geschatte internationale zonnevlekkengetal (ISN) van vandaag: 000, gebaseerd op 07 stations.

Zon indexen voor 19 Dec 2019

Wolfgetal Catania	///
10cm zonneflux	070
AK Chambon La Forêt	017
AK Wingst	012
Geschatte Ap	013
Geschat internationaal zonnevlekkengetal	000 - Gebaseerd op 14 stations

Overzicht opvallende gebeurtenissen

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

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