Het archief bekijken van woensdag 31 december 2014

Dagelijks bulletin over zonne- en geomagnetische activiteit van het SIDC

Datum verslag: 2014 Dec 31 1211 UTC

SIDC Prognose

Zonnevlammen

Eruptive (C-class flares expected, probability >=50%)

Geomagnetisme

Quiet (A<20 and K<4)

Proton Flux monitor

Quiet

	10cm flux	Ap
31 Dec 2014	128	007
01 Jan 2015	126	007
02 Jan 2015	126	008

Bulletin

There are currently 6 sunspot regions visible on the solar disk. Six C1 flares were produced: 3 by NOAA 2253, 2 by NOAA 2250 and 1 by NOAA 2251. NOAA 2253 is currently the most complex sunspot region, showing some mixed polarities. No significant or earth-directed CMEs were detected. Further C-class flaring is likely, in particular from NOAA 2253. Solar wind speed continued its gradual decline from its initial value of about 670 km/s to its current 500 km/s. Bz varied between mostly -4 and +3 nT. The geomagnetic field was mostly unsettled during the first half of the period, then turned to quiet conditions. Quiet to unsettled conditions are expected, though an active episode cannot be excluded.

Het geschatte internationale zonnevlekkengetal (ISN) van vandaag: 071, gebaseerd op 16 stations.

Zon indexen voor 30 Dec 2014

Wolfgetal Catania	///
10cm zonneflux	130
AK Chambon La Forêt	018
AK Wingst	014
Geschatte Ap	016
Geschat internationaal zonnevlekkengetal	072 - Gebaseerd op 23 stations

Overzicht opvallende gebeurtenissen

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

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