Vaata esmaspäev, 16 jaanuar 2017 arhiivi

Daily bulletin on solar and geomagnetic activity from the SIDC

Välja antud: 2017 Jan 16 1245 UTC

SIDC Forecast

Valid from 1230 UTC, 16 Jan 2017 until 18 Jan 2017
Päikesepursked ehk loited

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

Geomagnetism

Quiet (A<20 and K<4)

Päikese prootonid

Quiet

10cm fluxAp
16 Jan 2017078003
17 Jan 2017079003
18 Jan 2017077007

Bulletin

Solar activity is low, without C-class flares reported during last 24 hours. No significant changes of solar activity are foreseen in the coming hours. The isolated C-class flares are possible but not very probable. No Earth directed CMEs were observed in the last 24 hours.

The Earth is presently inside the slow solar wind with the speed of about 320 km/s. The interplanetary magnetic field magnitude is about 4nT, and the Bz component of the interplanetary magnetic field is fluctuating with values down to -4 nT. The increase of the solar wind speed is possible in the coming hours, due to the late arrival of the fast flow associated with the low latitude extension of the northern polar coronal hole which reached central meridian in the morning of January 12. The equatorial coronal hole with the elongated extension towards the south has crossed central meridian this morning. The associated fast solar wind might arrive at the Earth late on January 18 or in the morning of January 19. The geomagnetic conditions are presently quiet and we expect them to stay so in the coming hours.

Today's estimated international sunspot number (ISN): 024, based on 10 stations.

Solar indices for 15 Jan 2017

Wolf number Catania///
10cm solar flux078
AK Chambon La Forêt009
AK Wingst006
Estimated Ap004
Estimated international sunspot number028 - Based on 17 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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