Het archief bekijken van dinsdag 11 december 2018

Dagelijks bulletin over zonne- en geomagnetische activiteit van het SIDC

Datum verslag: 2018 Dec 11 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
11 Dec 2018	071	010
12 Dec 2018	070	012
13 Dec 2018	069	007

Bulletin

Solar activity has been quiet over the past 24 hours. There are no significant Active Regions on the solar disk. Flaring conditions are expected to remain quiet with a very small change of C-class flares.

No Earth directed Coronal Mass Ejection have been observed. The greater than 10 MeV solar protons flux remained at background levels over the past 24 hours and are expected to remain so.

The solar wind speed has been slowly decreasing from around 650 to 525 km/s over the past 24 hours. The total magnetic field strength has fluctuated around 5 nT. The Bz component was largely positive, fluctuating between -5 and +5 nT.

The elevated solar wind speeds were a consequence of a large Coronal Hole (which reached the central meridian on December 04). The enhanced solar wind conditions are beginning to abate but could still cause enhanced geomagnetic activity.

Geomagnetic conditions ranged between Kp index 1-3 (NOAA) and local K index 1-3 (Dourbes) over the past 24 hours.

Het geschatte internationale zonnevlekkengetal (ISN) van vandaag: 012, gebaseerd op 16 stations.

Zon indexen voor 10 Dec 2018

Wolfgetal Catania	000
10cm zonneflux	071
AK Chambon La Forêt	013
AK Wingst	///
Geschatte Ap	011
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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