Vaata reede, 18 november 2016 arhiivi

Daily bulletin on solar and geomagnetic activity from the SIDC

Välja antud: 2016 Nov 18 1230 UTC

SIDC Forecast

Valid from 1230 UTC, 18 Nov 2016 until 20 Nov 2016
Päikesepursked ehk loited

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

Geomagnetism

Quiet (A<20 and K<4)

Päikese prootonid

Quiet

10cm fluxAp
18 Nov 2016080009
19 Nov 2016080017
20 Nov 2016080017

Bulletin

Solar activity was very low with X-ray flux remaining below C level with just a single minor B1.5 flare observed. NOAA region 2610 has decreased in size, while a new unipolar group which rotated on disk in the East has been numbered NOAA 2611. There is only a small chance for C-flares over the next days. Proton flux values were at background levels and expected to remain so. No Earth directed CMEs have been observed in coronagraph data.

Solar wind conditions were nominal, with solar wind speed decreasing below 400 km/s to around 360 km/s and total magnetic field was around the 3-4nT range. Bz was variable and the phi angle was in the negative sector. Solar wind conditions are expected to be nominal until later today or early tomorrow when an increase in solar wind speed can be expected under the influence of an equatorial positive polarity coronal hole.

Geomagnetic conditions were quiet (both local K Dourbes and NOAA Kp 0-2) and are expected to become quiet to unsettled with active periods possible under the expected solar wind increase by the equatorial coronal hole.

Today's estimated international sunspot number (ISN): 031, based on 13 stations.

Solar indices for 17 Nov 2016

Wolf number Catania///
10cm solar flux079
AK Chambon La Forêt006
AK Wingst004
Estimated Ap003
Estimated international sunspot number031 - Based on 23 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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