Het archief bekijken van woensdag 27 mei 2015

Dagelijks bulletin over zonne- en geomagnetische activiteit van het SIDC

Datum verslag: 2015 May 27 1231 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
27 May 2015	098	006
28 May 2015	103	016
29 May 2015	108	008

Bulletin

Solar activity once again was very low. No significant flares were observed. Activity was limited to a partial eruption of the filament in the SW quadrant (from 13:26 UT on) and a small filament eruption near plage 2351 (from 22:00 UT on). A few regions are currently at the East limb that could introduce some activity. No Earth-bound CMEs were observed yet.

The solar wind speed remains low in the range of 280-360 km/s. The magnitude of the magnetic field was maximally 12 nT. A sector boundary crossing occurred around 16:00 UT on May 26 going from a negative to a positive orientation, which seems to be changing again from 10:30 UT. Geomagnetic conditions are quiet (K <4) and are expected to remain so till the expected coronal hole high speed stream arrives on May 28.

Het geschatte internationale zonnevlekkengetal (ISN) van vandaag: 017, gebaseerd op 18 stations.

Zon indexen voor 26 May 2015

Wolfgetal Catania	///
10cm zonneflux	095
AK Chambon La Forêt	011
AK Wingst	010
Geschatte Ap	009
Geschat internationaal zonnevlekkengetal	039 - Gebaseerd op 29 stations

Overzicht opvallende gebeurtenissen

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

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