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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2015 Jun 17 1230 UTC

Vorhersage des SIDC

Sonneneruptionen

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

Geomagnetismus

Quiet (A<20 and K<4)

Sonnenprotonen

Quiet

	10cm Fluss	Ap
17 Jun 2015	136	008
18 Jun 2015	135	007
19 Jun 2015	134	007

Bulletin

Solar activity was low. Several low level C flares were recorded from Catania group 92 (NOAA 2371). The largest was peaking at C3.2 level at 00:01UT. Catania group 92 (NOAA 2371) and 87 (NOAA 2367) are the most likely sources of flaring activity. Further C level flaring is expected with a slight chance for M class flares. No Earth directed CMEs were recorded. In the decaying phase of the high speed stream, solar wind speed and total magnetic field saw a slight increase around 18:00 UT. Total magnetic field picked up to around 9 nT and speed varied around 560 km/s for a while before resuming their decline. Bz was variable but pronounced negative since midnight, though remaining above -6.5 nT. Geomagnetic conditions continued to be quiet to unsettled (NOAA Kp 2-3) with an isolated local period of active conditions (K Dourbes 1-4). The high speed stream influence is expected to further decline with quiet to unsettled geomagnetic conditions as a consequence.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 066, basierend auf 15 Stationen.

Solarindizes für den 16 Jun 2015

Wolf-Zahl Catania	093
10cm Solarflux	136
AK Chambon La Forêt	018
AK Wingst	014
Geschätzer Ap-Wert	013
Geschätzte internationale Sonnenfleckenzahl	056 - Basierend auf 20 Stationen

Zusammenfassung auffälliger Ereignisse

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

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