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Daily bulletin on solar and geomagnetic activity from the SIDC

Существующий: 2017 May 02 1230 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
02 May 2017	075	005
03 May 2017	075	006
04 May 2017	074	005

Bulletin

Over the past 24 hours solar activity has been low. No significant flares have been recorded. No Earth directed CMEs have been detected in coronagraph observations. 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 small probability of C-class flares. The solar wind speed has fluctuated between 380 and 420 km/s over the past 24 hours. The total magnetic field strength has fluctuated between 5 nT and 7 nT. The Bz component was largely positive, fluctuating between -4 and +4 nT. Geomagnetic conditions ranged between Kp index 1-2 (NOAA) and local K index 0-2 (Dourbes) over the past 24 hours. Over the next 24 hours Geomagnetic conditions are expected to be quiet to unsettled.

Today's estimated international sunspot number (ISN): 030, based on 23 stations.

Solar indices for 01 May 2017

Wolf number Catania	///
10cm solar flux	075
AK Chambon La Forêt	008
AK Wingst	006
Estimated Ap	007
Estimated international sunspot number	013 - Based on 18 stations

Noticeable events summary

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

Все время в UTC

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