Het archief bekijken van zaterdag 12 september 2020

Dagelijks bulletin over zonne- en geomagnetische activiteit van het SIDC

Datum verslag: 2020 Sep 12 1230 UTC

SIDC Prognose

Zonnevlammen

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

Geomagnetisme

Quiet (A<20 and K<4)

Proton Flux monitor

Quiet

	10cm flux	Ap
12 Sep 2020	069	003
13 Sep 2020	069	003
14 Sep 2020	070	003

Bulletin

The Sun was spotless. Solar activity was at very low levels and is expected to remain so.

The greater than 10 MeV proton flux was at nominal levels and is expected to remain so. The greater than 2 MeV electron flux reached moderate levels, with a maximum of 4801 pfu at 14:40UT. Despite showing signs of weakening, the electron flux has a chance to reach moderate levels again.

No earth-directed coronal mass ejections (CMEs) were observed in available coronagraphic imagery.

The earth environment entered a sector with more enhanced solar wind, after the direction of the interplanetary magnetic field (phi angle) switched from predominantly towards the Sun (negative sector) to away from the Sun (positive sector) at 14:50UT (DSCOVR). Solar wind speed gradually increased from 280 km/s to 340 km/s around 07:30UT, ending the period with values around 330 km/s. Bz was mostly negative, varying between -5 nT (around 06:00UT) and +6 nT (around 10:30UT).

Geomagnetic activity was at quiet levels, with the estimated Kp index recording an isolated unsettled episode during the 06-09UT interval. Geomagnetic activity is expected to be mostly quiet, with an isolated unsettled interval possible.

Het geschatte internationale zonnevlekkengetal (ISN) van vandaag: 000, gebaseerd op 25 stations.

Zon indexen voor 11 Sep 2020

Wolfgetal Catania	000
10cm zonneflux	069
AK Chambon La Forêt	007
AK Wingst	003
Geschatte Ap	002
Geschat internationaal zonnevlekkengetal	000 - Gebaseerd op 35 stations

Overzicht opvallende gebeurtenissen

Aangeboden door het Solar Influences Data Analysis Center© - SIDC - Verwerkt door SpaceWeatherLive

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