Vaata neljapäev, 26 juuli 2018 arhiivi

Daily bulletin on solar and geomagnetic activity from the SIDC

Välja antud: 2018 Jul 26 1230 UTC

SIDC Forecast

Valid from 1230 UTC, 26 Jul 2018 until 28 Jul 2018
Päikesepursked ehk loited

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

Geomagnetism

Quiet (A<20 and K<4)

Päikese prootonid

Quiet

10cm fluxAp
26 Jul 2018066005
27 Jul 2018066007
28 Jul 2018066007

Bulletin

The Sun is spotless and produced no flares in the past 24 hours. The chance for a C flare in the next 24 hours is estimated at only 1%.

No Earth-directed Coronal Mass Ejections (CMEs) were observed in available coronagraphic imagery.

The greater than 10 MeV proton flux was at nominal levels in the past 24 hours, and is expected to stay at nominal levels in the next 24 hours.

Solar wind speed as registered by DSCOVR decreased from about 560 to 470 km/s. The Interplanetary Magnetic Field (IMF) was oriented towards the Sun and its magnitude varied between about 1 and 5 nT. Bz was never below -5 nT. The solar wind speed is expected to decrease further in the next days.

Quiet to unsettled geomagnetic conditions (K Dourbes between 0 and 3; NOAA Kp between 1 and 2) were registered in the past 24 hours. Quiet to unsettled conditions (K Dourbes < 4) are expected on July 26, 27 and 28.

Today's estimated international sunspot number (ISN): 000, based on 28 stations.

Solar indices for 25 Jul 2018

Wolf number Catania///
10cm solar flux066
AK Chambon La Forêt///
AK Wingst010
Estimated Ap010
Estimated international sunspot number000 - Based on 32 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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