Vaata pühapäev, 27 jaanuar 2013 arhiivi

Daily bulletin on solar and geomagnetic activity from the SIDC

Välja antud: 2013 Jan 27 1246 UTC

SIDC Forecast

Valid from 1230 UTC, 27 Jan 2013 until 29 Jan 2013
Päikesepursked ehk loited

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

Geomagnetism

Quiet (A<20 and K<4)

Päikese prootonid

Quiet

10cm fluxAp
27 Jan 2013097011
28 Jan 2013095004
29 Jan 2013093004

Bulletin

Despite the emergence of several small sunspot groups (yet unreported by Catania or NOAA), the flaring activity of the Sun is below the C-level. An isolated C-class flare is nevertheless possible, although unlikely. The fast solar wind flow that yesterday produced K = 5 (as reported by Dourbes and IZMIRAN) and K = 4 (as reported by NOAA) is finishing. Currently the solar wind speed around the Earth is close to 450 km/s and the interplanetary magnetic field is around 3-4 nT. We expect quiet geomagnetic conditions in the coming hours. The arrival of the interplanetary shock wave driven by the ICME corresponding to the partial halo CME observed on the Sun on January 23 is still possible, although unlikely.

Today's estimated international sunspot number (ISN): 049, based on 02 stations.

Solar indices for 26 Jan 2013

Wolf number Catania///
10cm solar flux099
AK Chambon La Forêt038
AK Wingst025
Estimated Ap029
Estimated international sunspot number042 - Based on 12 stations

Noticeable events summary

DayBeginMaxLõppLocStrengthOP10cmRadio burst typesCatania/NOAA
Puuduvad

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

Kõik ajad UTC-s

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