Het archief bekijken van dinsdag 5 februari 2013

Dagelijks bulletin over zonne- en geomagnetische activiteit van het SIDC

Datum verslag: 2013 Feb 05 1210 UTC

SIDC Prognose

Zonnevlammen

Quiet conditions (<50% probability of C-class flares)

Geomagnetisme

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

Proton Flux monitor

Quiet

	10cm flux	Ap
05 Feb 2013	107	011
06 Feb 2013	104	014
07 Feb 2013	106	006

Bulletin

The strongest flare in last 24 hours was a C6.3 flare peaking at 08:19 UT, on February 5. The flare originated from the NOAA AR 1669, situated at the moment close to the East solar limb. We expect more C-class flares, in particular from this active region. The interplanetary magnetic field is about 3 nT. The solar wind speed is stable having value of about 350 km/s. The small low-latitude coronal hole in the southern hemisphere has reached the central meridian. We expect arrival of the associated fast flow early on February 9. The fast flow associated with the low-latitude coronal hole in the northern hemisphere should arrive late today or early tomorrow. The geomagnetic conditions in the next 48 hours should be quiet to possibly active.

Het geschatte internationale zonnevlekkengetal (ISN) van vandaag: 028, gebaseerd op 12 stations.

Zon indexen voor 4 Feb 2013

Wolfgetal Catania	039
10cm zonneflux	107
AK Chambon La Forêt	011
AK Wingst	006
Geschatte Ap	005
Geschat internationaal zonnevlekkengetal	024 - Gebaseerd op 18 stations

Overzicht opvallende gebeurtenissen

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

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