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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2014 May 02 1335 UTC

Vorhersage des SIDC

Sonneneruptionen

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

Geomagnetismus

Quiet (A<20 and K<4)

Sonnenprotonen

Quiet

	10cm Fluss	Ap
02 May 2014	135	011
03 May 2014	140	003
04 May 2014	140	006

Bulletin

Flaring activity has slightly increased during the past 24 hours. Two C-class flares were produced by Catania sunspot group 33 (NOAA AR 2047). The C4.4 flare, peaking at 9:40 UT, on 2 May was accompanied by a coronal dimming located at the south of the region. This hints at the occurrence of CME oriented to the south, but no coronagraphic imagery is available yet to analysis this. Catania sunspot groups 33 and 34 (NOAA AR 2047 and 2049 resp) showed some growth and sunspot group 33 now also has a beta-gamma magnetic configuration of its photospheric field. Two new sunspot groups emerged with Catania numbers 36 and 37. More C-class flares can be expected, especially from sunspot groups 33 and 34. There is moderate chance (around 40%) for M-class flares. We are currently under the influence of a slow solar wind. The solar wind speed decreased 400 to 340 km/s. The magnitude of the interplanetary magnetic field went from 8 to 2 nT. Geomagnetic conditions were quiet to unsettled and are expected to remain as such for the next 48 hours. The slow CME of UT night of 29-30 April could arrive at around 5 May 0:00 UT, possibly leading to a limited time of active conditions.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 081, basierend auf 13 Stationen.

Solarindizes für den 01 May 2014

Wolf-Zahl Catania	///
10cm Solarflux	126
AK Chambon La Forêt	008
AK Wingst	005
Geschätzer Ap-Wert	005
Geschätzte internationale Sonnenfleckenzahl	064 - Basierend auf 22 Stationen

Zusammenfassung auffälliger Ereignisse

Zur Verfügung gestellt vom Solar Influences Data Analysis Center© - SIDC - Verarbeitet von SpaceWeatherLive

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