Het archief bekijken van zaterdag 7 december 2013

Dagelijks bulletin over zonne- en geomagnetische activiteit van het SIDC

Datum verslag: 2013 Dec 07 1233 UTC

SIDC Prognose

Zonnevlammen

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

Geomagnetisme

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

Proton Flux monitor

Quiet

	10cm flux	Ap
07 Dec 2013	155	011
08 Dec 2013	155	011
09 Dec 2013	153	007

Bulletin

NOAA AR 1909 produced an M1.2-flare peaking at 07:29UT. A plasma eruption was seen in this neighbourhood on December 5 around 21UT. An unstable filament in the neighbourhood of an active region is a recipe of disaster. The curve for the background X-ray radiation is situated near the top/bottom of the B/C level. The chances for more M-flares are around 30%. The fast stream linked with the coronal hole that approached the central meridian on December 3 might arrive late today and introduce unsettled/active conditions: K=3 up to 4. The filament eruption on December 5, around 21UT might have a glancing blow. There is no data of SOHO/LASCO at that time. The amount of available STEREO A data is also limited. A first estimate gives a speed of around 500 km/s. The shock might arrive late on December 9.

Het geschatte internationale zonnevlekkengetal (ISN) van vandaag: 062, gebaseerd op 09 stations.

Zon indexen voor 06 Dec 2013

Wolfgetal Catania	132
10cm zonneflux	151
AK Chambon La Forêt	010
AK Wingst	004
Geschatte Ap	003
Geschat internationaal zonnevlekkengetal	069 - Gebaseerd op 20 stations

Overzicht opvallende gebeurtenissen

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

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