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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2016 Mar 21 1242 UTC

Vorhersage des SIDC

Sonneneruptionen

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

Geomagnetismus

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

Sonnenprotonen

Quiet

	10cm Fluss	Ap
21 Mar 2016	082	010
22 Mar 2016	083	007
23 Mar 2016	084	006

Bulletin

Over the past 24 hours solar activity has been very low. No significant flares have been recorded. All Active Regions (AR) have shown low levels of activity. AR 2254 (Macintosh class:Eso; Mag. type:Beta) has shown some evidence of flux emergence and cancellation in HMI observations, this may increase flaring activity. Solar proton levels have remained at background levels over the past 24 hours. Solar activity is expected to remain low over the next 24 hours with a reasonable chance of C-class flares and a low probability of M-class flares. The solar wind speed has fluctuated between 400 and 500 km/s over the past 24 hours. The total magnetic field strength has fluctuated between 5 and 7 nT yesterday, but dropped below 5 nT around 04:00 UT this morning and remained around this level. The Bz component increased from around -5 nT yesterday to around 5 nT this morning, but dropped to around 0 nT at 04:00 UT, and remained around this level. Geomagnetic conditions ranged between Kp index 2-4 (NOAA) and local K index 1-4 (Dourbes) over the past 24 hours. There is currently a large Southern polar coronal hole with an extension to higher latitudes in the Western hemisphere that may increase solar wind speeds slightly over the coming days.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 029, basierend auf 10 Stationen.

Solarindizes für den 20 Mar 2016

Wolf-Zahl Catania	///
10cm Solarflux	088
AK Chambon La Forêt	019
AK Wingst	013
Geschätzer Ap-Wert	012
Geschätzte internationale Sonnenfleckenzahl	029 - Basierend auf 22 Stationen

Zusammenfassung auffälliger Ereignisse

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

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