Vaata esmaspäev, 26 oktoober 2015 arhiivi

Daily bulletin on solar and geomagnetic activity from the SIDC

Välja antud: 2015 Oct 26 1230 UTC

SIDC Forecast

Valid from 1230 UTC, 26 Oct 2015 until 28 Oct 2015
Päikesepursked ehk loited

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

Geomagnetism

Quiet (A<20 and K<4)

Päikese prootonid

Quiet

10cm fluxAp
26 Oct 2015105007
27 Oct 2015103007
28 Oct 2015102007

Bulletin

Solar activity has been low with the biggest flare of the period an isolated C2.1 flare from NOAA active region 2437. The most prominent region on disk, NOAA active region 2436 experienced some new opposite flux emergence in the trailing spot. Although some isolated C flaring is quite possible, we expect mainly quiet conditions. No Earth directed CMEs have been recorded. Solar wind speed remained elevated in the range of 400-500km/s. Around 13:50 UT a peak of around 12nT was measured in the total magnetic field after wich it declined steadily to a value of currently around 6.5 nT. Bz was mainly positive. The magnetic field phi angle settled steadily in a positive sector. Geomagnetic conditions were quiet to unsettled (both NOAA Kp and local K Dourbes 0-3). Solar wind conditions are expected to further restore towards nominal conditions. Associated quiet to unsettled geomagnetic conditions are expected.

Today's estimated international sunspot number (ISN): 075, based on 20 stations.

Solar indices for 25 Oct 2015

Wolf number Catania///
10cm solar flux106
AK Chambon La Forêt///
AK Wingst007
Estimated Ap008
Estimated international sunspot number064 - Based on 21 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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