Het archief bekijken van zaterdag 30 december 2017

Dagelijks bulletin over zonne- en geomagnetische activiteit van het SIDC

Datum verslag: 2017 Dec 30 1230 UTC

SIDC Prognose

Zonnevlammen

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

Geomagnetisme

Active conditions expected (A>=20 or K=4)

Proton Flux monitor

Quiet

	10cm flux	Ap
30 Dec 2017	072	007
31 Dec 2017	073	011
01 Jan 2018	074	010

Bulletin

Solar activity was low, no C-class flares in past 24 h. The new compact region that appeared on the northeast limb has not been active. C-class flares are possible but unlikely.

Proton flux levels are at background values and are expected to remain so. No Earth-directed CMEs were observed.

Solar wind speed is at 390 km/s with interplanetary magnetic field magnitude of 4 nT. Geomagnetic conditions have been quiet. There is a small positive coronal hole located at 30 degrees northern latitude which may affect the Earth within 48h, active conditions can be expected then (with isolated minor storm periods possible).

Het geschatte internationale zonnevlekkengetal (ISN) van vandaag: 000, gebaseerd op 06 stations.

Zon indexen voor 29 Dec 2017

Wolfgetal Catania	///
10cm zonneflux	072
AK Chambon La Forêt	010
AK Wingst	005
Geschatte Ap	004
Geschat internationaal zonnevlekkengetal	000 - Gebaseerd op 18 stations

Overzicht opvallende gebeurtenissen

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

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