Het archief bekijken van zondag 14 september 2014

Dagelijks bulletin over zonne- en geomagnetische activiteit van het SIDC

Datum verslag: 2014 Sep 14 1231 UTC

SIDC Prognose

Zonnevlammen

Active (M-class flares expected, probability >=50%)

Geomagnetisme

Quiet (A<20 and K<4)

Proton Flux monitor

Quiet

	10cm flux	Ap
14 Sep 2014	143	004
15 Sep 2014	141	005
16 Sep 2014	141	005

Bulletin

There are currently 6 sunspot groups visible on the solar disk. Eight low-level C-class flares and one M-class flare were observed during the period. The latter reached a maximum of M1.5 at 02:16UT, and originated in NOAA 2157. The CME associated to this event was first observed by LASCO at 03:12UT. It had a speed of about 350 km/s (CACTus), but has no Earth- directed component. NOAA 2157 and NOAA 2158 continue their decay. However, together with NOAA 2164, they have spots of opposite magnetic polarity close to each other. Hence, they may still produce an M-class flare. Filament eruptions observed around 16:30UT (northeast quadrant) and 20:00UT (south of NOAA 2163) were not related to earth-directed CMEs. M-class flares remain possible. Solar wind speed decreased from about 600 km/s to 500 km/s, while Bz decreased from +15 nT to a steady +6 nT. Geomagnetic conditions were quiet and are expected to remain so.

Het geschatte internationale zonnevlekkengetal (ISN) van vandaag: 070, gebaseerd op 10 stations.

Zon indexen voor 13 Sep 2014

Wolfgetal Catania	///
10cm zonneflux	145
AK Chambon La Forêt	015
AK Wingst	014
Geschatte Ap	014
Geschat internationaal zonnevlekkengetal	085 - Gebaseerd op 21 stations

Overzicht opvallende gebeurtenissen

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

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