Het archief bekijken van dinsdag 17 november 2020

Dagelijks bulletin over zonne- en geomagnetische activiteit van het SIDC

Datum verslag: 2020 Nov 17 1231 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
17 Nov 2020	075	001
18 Nov 2020	073	002
19 Nov 2020	072	003

Bulletin

Solar activity was at very low levels. The solar disk remains spotless with no significant flares in the last 24 hours. The solar activity is expected to remain very low. No Earth-directed coronal mass ejections (CMEs) were detected in the available coronagraph imagery.

The greater than 10 MeV proton flux was at nominal levels in the past 24 hours and is expected to remain so in the next 24 hours. The greater than 2 MeV electron flux remained under the 1000 pfu threshold and is expected to remain so. The 24h electron fluence was at nominal levels and is expected to remain so.

Solar wind speed remained very slow with highest value of 319 km/s (ACE and DSCOVR). The total magnetic field was very weak with a strength of < 4.5 nT. The Bz component varied between -4 nT and +3 nT.

Geomagnetic activity was quiet and is expected to remain so within the next 48. A small positive-polarity coronal hole was observed today close to the central meridian. The high-speed stream from it might induce unsettled to active conditions starting from Nov. 20th.

Het geschatte internationale zonnevlekkengetal (ISN) van vandaag: 010, gebaseerd op 09 stations.

Zon indexen voor 16 Nov 2020

Wolfgetal Catania	000
10cm zonneflux	077
AK Chambon La Forêt	003
AK Wingst	000
Geschatte Ap	001
Geschat internationaal zonnevlekkengetal	000 - Gebaseerd op 19 stations

Overzicht opvallende gebeurtenissen

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

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