Het archief bekijken van woensdag 14 mei 2014

Dagelijks bulletin over zonne- en geomagnetische activiteit van het SIDC

Datum verslag: 2014 May 14 1203 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
14 May 2014	159	007
15 May 2014	158	010
16 May 2014	159	008

Bulletin

The solar activity is low and the strongest flare observed during last 24 hours was long duration C6.8 flare peaking at 22:24 UT on May 13. The flare originated from the Catania sunspot group 43 (NOAA AR 2056). No clear signatures of CME possibly associated with this flare were observed in the coronagraph data. We expect C-class flares, in particular from the newly and fast emerging active region currently situated close to the east solar limb. An isolated M-class flare is possible but not very probable. Earth is currently inside of a slow solar wind with a speed of 350 km/s. The interplanetary magnetic field magnitude is about 6 nT. The fast flow associated with the small equatorial corona hole which reached the central meridian on May 12 might arrive at the Earth on May 15, producing at most unsettled geomagnetic conditions. We expect quiet to unsettled geomagnetic conditions in the following 48 hours.

Het geschatte internationale zonnevlekkengetal (ISN) van vandaag: 116, gebaseerd op 14 stations.

Zon indexen voor 13 May 2014

Wolfgetal Catania	171
10cm zonneflux	159
AK Chambon La Forêt	007
AK Wingst	004
Geschatte Ap	003
Geschat internationaal zonnevlekkengetal	091 - Gebaseerd op 31 stations

Overzicht opvallende gebeurtenissen

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

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