Просмотр архива за воскресенье, 14 апреля 2019

Daily bulletin on solar and geomagnetic activity from the SIDC

Существующий: 2019 Apr 14 1645 UTC

SIDC Forecast

Солнечные вспышки

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

Geomagnetism

Quiet (A<20 and K<4)

Солнечные протоны

Quiet

	10cm flux	Ap
14 Apr 2019	078	008
15 Apr 2019	077	008
16 Apr 2019	078	007

Bulletin

Over the past 24 hours solar activity has been low. There have been no significant flares. Active Region (AR) 2738 (Mcintosh class:Cho; Mag. type:Beta) has been quiet, the region has shown some evidence of flux emergence and cancellation in HMI magnetogram observations, this may increase flaring activity. No significant filament channels have been seen on the solar disk. No Earth directed CMEs have been detected. The greater- than 10MeV proton flux 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 a C-class flare from AR 2738. The solar wind speed has decreased from 425 to 375 km/s over the past 24 hours. The total magnetic field strength has fluctuated around 3 nT. The Bz component has fluctuated around 0 nT, ranging between -2 and +3 nT. Geomagnetic conditions ranged between Kp index 0-2 (NOAA) and local K index 1-3 (Dourbes) over the past 24 hours. Geomagnetic conditions are expected to be quiet.

Today's estimated international sunspot number (ISN): 014, based on 21 stations.

Solar indices for 13 Apr 2019

Wolf number Catania	///
10cm solar flux	078
AK Chambon La Forêt	010
AK Wingst	010
Estimated Ap	008
Estimated international sunspot number	016 - Based on 29 stations

Noticeable events summary

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

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