Vaata pühapäev, 21 august 2016 arhiivi

Daily bulletin on solar and geomagnetic activity from the SIDC

Välja antud: 2016 Aug 21 1231 UTC

SIDC Forecast

Valid from 1230 UTC, 21 Aug 2016 until 23 Aug 2016
Päikesepursked ehk loited

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

Geomagnetism

Quiet (A<20 and K<4)

Päikese prootonid

Quiet

10cm fluxAp
21 Aug 2016078004
22 Aug 2016076009
23 Aug 2016074003

Bulletin

Solar activity was very low in the past 24 hours. No flares, no Earth-directed CMEs were observed. Only one active regions is presently observed on the visible side of the solar disc. Its' photospheric magnetic field configuration is simple (alpha configuration). Solar proton flux intensity is expected to lie within the background levels. Solar activity is expected to be low with some probability for B-class flares only. The variations of the solar wind parameters were weak. Solar wind speed varied between 300 and 330 km/s, while the magnitude of the Interplanetary Magnetic Field (Bt) fluctuated between 5 and 8 nT most of the time. Since 7:30 UT today (21-Aug-2016) Bt value increased till 10 nT, while Bz became slightly negative. In the past 24 hours, geomagnetic conditions have been very quiet (K Dourbes between 0 and 2; NOAA Kp between 0 and 2). Geomagnetic activity is expected to continue at low levels today (21-08-2016). However minor geomagnetic storm conditions (K Dourbes = 3-4) are possible from tomorrow.

Today's estimated international sunspot number (ISN): 011, based on 13 stations.

Solar indices for 20 Aug 2016

Wolf number Catania///
10cm solar flux078
AK Chambon La Forêt///
AK Wingst004
Estimated Ap005
Estimated international sunspot number017 - Based on 24 stations

Noticeable events summary

DayBeginMaxLõppLocStrengthOP10cmCatania/NOAARadio burst types
Puuduvad

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

Kõik ajad UTC-s

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