Het archief bekijken van zondag 1 december 2013

Dagelijks bulletin over zonne- en geomagnetische activiteit van het SIDC

Datum verslag: 2013 Dec 01 1201 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
01 Dec 2013	132	015
02 Dec 2013	132	007
03 Dec 2013	132	007

Bulletin

NOAA AR 1907 was responsible for the several B-flares and the 1 C-flare on November 30. We expect that the flaring situation stays as it is: a chance of 50% for C-flares, 20% for an isolated M-flare and almost zero chance for X-flares. A partial halo CME was detected on November 30 coming into the field of view of SOHO/LASCO C2 around 14:00 UT in the SE. No on disk signature could be linked to this event. STEREO B EUI 195 indicates some flaring activity and a mass ejection around that time from a region near the centre of the STEREO B solar images. This CME is determined as back-sided. The solar wind speed has reached 500 km/s since late November 30. The z-component of the interplanetary magnetic field (IMF) was mainly negative resulting in a planetary and local (Dourbes) K-index of 4 late November 30. We expect the solar wind speed to decrease gradually. We expect quiet geomagnetic conditions with possible unsettled conditions (K=3) for the remaining part of December 1.

Het geschatte internationale zonnevlekkengetal (ISN) van vandaag: 084, gebaseerd op 15 stations.

Zon indexen voor 30 Nov 2013

Wolfgetal Catania	///
10cm zonneflux	131
AK Chambon La Forêt	024
AK Wingst	011
Geschatte Ap	011
Geschat internationaal zonnevlekkengetal	/// - Gebaseerd op /// stations

Overzicht opvallende gebeurtenissen

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

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