Vaata laupäev, 21 november 2015 arhiivi

Daily bulletin on solar and geomagnetic activity from the SIDC

Välja antud: 2015 Nov 21 1230 UTC

SIDC Forecast

Valid from 1230 UTC, 21 Nov 2015 until 23 Nov 2015
Päikesepursked ehk loited

C-class flares expected, (probability >=50%)

Geomagnetism

Quiet (A<20 and K<4)

Päikese prootonid

Quiet

10cm fluxAp
21 Nov 2015111006
22 Nov 2015112007
23 Nov 2015112007

Bulletin

Solar activity was low with only a single C flare originating from Catania group 80 (NOAA region 2457) peaking at C1.6 level at 2:14UT. Some new flux emerge occurred in the leading part of Catania group 77 (NOAA 2454) while the other regions were fairly stable. The occurrence of further occasional C flaring is quite possible over the next period. No Earth directed CMEs were observed in available coronagraph images.

Solar wind speed was in the 370-430 km/s range with total magnetic field increasing to a peak of 9.6 nT in the first half of the period before restoring to values of around 5 nT. Bz was mostly positive with a dip down to -5 nT before midnight. Geomagnetic conditions were quiet (local K Dourbes 1-2) with only a period of unsettled conditions at planetary level (NOAA Kp 0-3). Nominal wind conditions and associated quiet geomagnetic conditions are expected to continue.

Today's estimated international sunspot number (ISN): 056, based on 11 stations.

Solar indices for 20 Nov 2015

Wolf number Catania083
10cm solar flux111
AK Chambon La Forêt008
AK Wingst002
Estimated Ap003
Estimated international sunspot number055 - Based on 18 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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