Het archief bekijken van vrijdag 30 mei 2014

Dagelijks bulletin over zonne- en geomagnetische activiteit van het SIDC

Datum verslag: 2014 May 30 1221 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
30 May 2014	105	008
31 May 2014	107	003
01 Jun 2014	111	003

Bulletin

Solar flare activity was very low over the last 24 hours. The strongest event was a B4-flare peaking at 18:19UT on 29 May, produced by NOAA 2073. There are currently 5 sunspot groups visible. They are all small and magnetically simple, including the two new groups Catania 65 (near east limb) and Catania 59. The active region on the Sun's farside continues to produce quite strong CMEs (e.g. 29 May at 09:24UT) and is expected to round the east-northeast limb tomorrow. Flaring activity is expected to be low, with a chance on a C-class flare. Solar wind speed first declined from 380 to 310 km/s around midnight, then gradually increased again to 360 km/s. Bz varied between -7 and +6 nT. The geomagnetic field was quiet with locally some K=3 episodes. A small coronal hole that passed the central meridian on 25-26 May can still influence the geomagnetic field later today. Geomagnetic conditions are expected to remain quiet, though locally a brief active episode is possible.

Het geschatte internationale zonnevlekkengetal (ISN) van vandaag: 043, gebaseerd op 14 stations.

Zon indexen voor 29 May 2014

Wolfgetal Catania	///
10cm zonneflux	103
AK Chambon La Forêt	010
AK Wingst	008
Geschatte Ap	007
Geschat internationaal zonnevlekkengetal	037 - Gebaseerd op 16 stations

Overzicht opvallende gebeurtenissen

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

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