Het archief bekijken van maandag 24 februari 2020

Dagelijks bulletin over zonne- en geomagnetische activiteit van het SIDC

Datum verslag: 2020 Feb 24 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
24 Feb 2020	071	006
25 Feb 2020	071	008
26 Feb 2020	071	008

Bulletin

Solar activity was at very low levels. The Sun was spotless. No earth-directed coronal mass ejections (CMEs) have been observed in available coronagraphic imagery. The greater than 10 MeV proton flux was at nominal values. Some small and patchy equatorial coronal holes (CHs) are present on the solar disk.

Solar activity is expected to remain at very low levels.

Solar wind speed was on a slightly declining trend, varying between mostly 390 and 440 km/s, and ending the period near 390 km/s (ACE). Bz varied between -4 and + 4 nT, being mostly negative during the first half of the period, and mostly positive afterwards. The interplanetary magnetic field (phi angle) was mostly directed towards the Sun (negative sector). Geomagnetic conditions were at quiet levels, with an unsettled episode (21-24UT) recorded by K Dourbes.

Geomagnetic activity is expected to remain mostly at quiet levels. Isolated unsettled intervals are possible if the earth environment should encounter enhanced wind streams from currently present small and patchy coronal holes.

Het geschatte internationale zonnevlekkengetal (ISN) van vandaag: 000, gebaseerd op 12 stations.

Zon indexen voor 23 Feb 2020

Wolfgetal Catania	///
10cm zonneflux	070
AK Chambon La Forêt	013
AK Wingst	006
Geschatte Ap	005
Geschat internationaal zonnevlekkengetal	000 - Gebaseerd op 17 stations

Overzicht opvallende gebeurtenissen

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

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