Vaata teisipäev, 23 november 2021 arhiivi

Daily bulletin on solar and geomagnetic activity from the SIDC

Välja antud: 2021 Nov 23 1231 UTC

SIDC Forecast

Valid from 1230 UTC, 23 Nov 2021 until 25 Nov 2021
Päikesepursked ehk loited

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

Geomagnetism

Quiet (A<20 and K<4)

Päikese prootonid

Quiet

10cm fluxAp
23 Nov 2021078007
24 Nov 2021078007
25 Nov 2021078007

Bulletin

Two active regions visible on the Sun (alpha magnetic field configuration). There have been no C-class flares in the past 24 hours, no changes are expected in the next 24 hours.

No Earth directed CMEs have been observed in coronagraph data.

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. The greater than 2 MeV electron flux was at nominal levels in the past 24 hours, and is expected to stay so in the next 24 hours. The greater than 2 MeV electron fluence was at normal levels in the past 24 hours, and is expected to stay at normal levels in the next 24 hours.

The solar wind speed as registered by DSCOVR is around 510 km/s. The Interplanetary Magnetic Field near Earth (IMF) was oriented towards the Sun and its magnitude is about 4 nT. There were no extended intervals with Bz below -5 nT. The solar wind speed is expected to decrease in the next 24 hours. There are a couple of small coronal holes traversing the central meridian, so speeds may go back up in about 48 hours.

Quiet to unsettled geomagnetic conditions (K-BEL between 1 and 3, Kp between 1 and 2) were registered in the past 24 hours. Similar conditions are expected for the next 24 hours.

Today's estimated international sunspot number (ISN): 032, based on 11 stations.

Solar indices for 22 Nov 2021

Wolf number Catania///
10cm solar flux078
AK Chambon La Forêt014
AK Wingst010
Estimated Ap009
Estimated international sunspot number023 - Based on 22 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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