Vaata laupäev, 25 juuli 2020 arhiivi

Daily bulletin on solar and geomagnetic activity from the SIDC

Välja antud: 2020 Jul 25 1243 UTC

SIDC Forecast

Valid from 1230 UTC, 25 Jul 2020 until 27 Jul 2020
Päikesepursked ehk loited

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

Geomagnetism

Quiet (A<20 and K<4)

Päikese prootonid

Quiet

10cm fluxAp
25 Jul 2020070011
26 Jul 2020070003
27 Jul 2020070006

Bulletin

Solar flaring activity was at very low levels. No significant flares have been recorded. Solar activity is expected to remain at low levels.

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

The greater than 10 MeV proton flux was at background levels the past 24 hours. It is expected to remain so in the next 24 hours. The greater than 2 MeV electron flux was at low to moderate levels over the past 24 hours. For the next 24 hours, it is expected to remain at those levels.

The solar wind speed near Earth varied between 345 and 385 km/s (DSCOVR). The polarity of the Interplanetary Magnetic Field (IMF) switched from being oriented towards to away from the Sun (phi angle switched from the negative to the positive sector). Bz fluctuated between -9 and +6 nT. The magnitude of the magnetic field varied between 5 and 10 nT. The solar wind properties indicate the possible arrival of a combination of the shock associated with the CME that took place July 20th and the high speed stream from the Coronal Hole crossing Central Meridian late July 19th.

The geomagnetic conditions were mainly unsettled. The values registered for the past 24 hours were 2-3 for K Dourbes and 2-4 for NOAA Kp. Quiet to unsettled geomagnetic conditions are expected for the next 24 hours.

Today's estimated international sunspot number (ISN): 010, based on 15 stations.

Solar indices for 24 Jul 2020

Wolf number Catania011
10cm solar flux070
AK Chambon La Forêt022
AK Wingst014
Estimated Ap015
Estimated international sunspot number010 - Based on 31 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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