Prohlížíte si archiv neděle 10. května 2020

Daily bulletin on solar and geomagnetic activity from the SIDC

Vydáno: 2020 May 10 1231 UTC

SIDC Forecast

Valid from 1230 UTC, 10 May 2020 until 12 May 2020
Sluneční erupce

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

Geomagnetism

Quiet (A<20 and K<4)

Sluneční protony

Quiet

10cm fluxAp
10 May 2020069004
11 May 2020069010
12 May 2020069007

Bulletin

The solar activity was quiet over the past 24 hours. No sunspot is visible on the solar disc facing Earth. The X-ray flux is below B-class level and the solar activity is expected to remain at low levels.

No Earth directed Coronal Mass Ejections (CMEs) were observed in the available coronagraphic imagery in the last 24 hours.

The greater than 10 MeV proton flux was at nominal levels over the past 24 hours and is expected to stay at nominal levels for the next 24 hours. The greater than 2 MeV electron flux was between nominal and moderate levels over the past 24 hours and is expected to remain at nominal to moderate levels over the next 24 hours.

The Earth is under the influence of the slow solar wind streams. The solar wind parameters (DSCOVR) was at nominal values with the solar wind speed around 283-328 km/s. The total interplanetary magnetic field was below 5.2 nT. The Bz magnetic field components fluctuated between -2.5 nT and +3.9 nT. The solar wind regime is expected to remain mostly slow for the next days. Very mild enhancements of the solar wind conditions may occur today in response to the influence of the fast solar wind associated with the elongated extension of the southern polar coronal hole (negative polarity) that was facing Earth on May 6.

Geomagnetic conditions were quiet, and quiet conditions are expected for the next following day. In response to the mild influence of the fast solar wind streams associated with the south polar coronal hole extension, periods of unsettled conditions may occur in today and tomorrow.

Today's estimated international sunspot number (ISN): 000, based on 13 stations.

Solar indices for 09 May 2020

Wolf number Catania///
10cm solar flux071
AK Chambon La Forêt005
AK Wingst002
Estimated Ap002
Estimated international sunspot number000 - Based on 30 stations

Noticeable events summary

DayBeginMaxKonecLocStrengthOP10cmCatania/NOAARadio burst types
Žádný

Provided by the Solar Influences Data analysis Center© - SIDC - Processed by SpaceWeatherLive

Všechny časy v UTC

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