Het archief bekijken van woensdag 18 september 2019

Dagelijks bulletin over zonne- en geomagnetische activiteit van het SIDC

Datum verslag: 2019 Sep 18 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
18 Sep 2019	068	013
19 Sep 2019	068	008
20 Sep 2019	067	007

Bulletin

Solar X ray flux remained below B level throughout the period. With a spotless disk, X-ray flux is expected to remain at or below background levels.

There were no Earth-directed CMEs observed in coronagraph data.

Proton levels were at background values and are expected to remain so.

Solar wind conditions were near nominal with solar wind slightly increasing to between 400-450 km/s and total magnetic field in the 2-7nT range. The magnetic field phi angle switched to the positive sector around 20:30UT. There was a possibility of enhanced solar wind conditions under the possible influence of a negative polarity coronal hole in the southern hemisphere, but this does not seem to occur. Solar wind conditions are expected to remain near nominal.

Geomagnetic conditions were quiet to active (NOAA Kp and local K Dourbes 1-4). Geomagnetic conditions are expected to be quiet to unsettled with initially an isolated active period still possible.

Het geschatte internationale zonnevlekkengetal (ISN) van vandaag: 000, gebaseerd op 28 stations.

Zon indexen voor 17 Sep 2019

Wolfgetal Catania	000
10cm zonneflux	068
AK Chambon La Forêt	016
AK Wingst	011
Geschatte Ap	011
Geschat internationaal zonnevlekkengetal	000 - Gebaseerd op 29 stations

Overzicht opvallende gebeurtenissen

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

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