Перегляд архіву понеділок, 14 березня 2016

Daily bulletin on solar and geomagnetic activity from the SIDC

Випущено: 2016 Mar 14 1230 UTC

SIDC Forecast

Сонячні спалахи

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

Geomagnetism

Minor storm expected (A>=30 or K=5)

Сонячні протони

Quiet

	10cm flux	Ap
14 Mar 2016	090	006
15 Mar 2016	090	020
16 Mar 2016	090	008

Bulletin

The solar activity was very low since our last bulletin. No C-class flares were observed. NOAA active regions 2513, 2519 and 2521 (Catania 41, 44, 43) were stable, while Catania 42 and 45 were identified as two new sunspot regions (no NOAA number yet). Two filament eruptions occurred in the second half of March 13. The associated CMEs were rather narrow and not Earth-directed. No consequences for the Earth environment are expected. Flaring activity is expected to remain low, with some chance (30%) for C-flaring. Solar wind conditions are nominal with the magnetic field magnitude between 3 and 7 nT and solar wind speed ranging from 380 to 440 km/s. Geomagnetic conditions are quiet, both at global and local (Dourbes) level. Within the next 24 to 48 hours, the high speed stream from a negative polarity coronal hole might result in disturbances in the solar wind and increased geomagnetic activity (up to K=5).

Today's estimated international sunspot number (ISN): 059, based on 19 stations.

Solar indices for 13 Mar 2016

Wolf number Catania	///
10cm solar flux	093
AK Chambon La Forêt	006
AK Wingst	003
Estimated Ap	003
Estimated international sunspot number	047 - Based on 27 stations

Noticeable events summary

Provided by the Solar Influences Data analysis Center© - SIDC - Processed by SpaceWeatherLive

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