Het archief bekijken van maandag 12 augustus 2019

Dagelijks bulletin over zonne- en geomagnetische activiteit van het SIDC

Datum verslag: 2019 Aug 12 1233 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 Aug 2019	068	006
13 Aug 2019	067	006
14 Aug 2019	067	004

Bulletin

Solar activity was at very low levels. The Sun was spotless. No Earth-directed coronal mass ejections (CME) were observed during the period. The greater than 10 MeV proton flux was at nominal values.

Solar activity is expected to remain at very low levels.

The solar wind speed decreased from values near 475 km/s to a minimum of 360 km/s around 4 UT (ACE) before gradually increasing again, due to the solar wind stream from the fragmented negative polarity coronal hole which began to traverse the central meridian on 7 August. Bz varied between -4 and +6 nT. The interplanetary magnetic field (phi angle) was predominately oriented away from the Sun (positive sector) until 3 UT when it switched to the negative sector.

Quiet to unsettled geomagnetic conditions were observed. Quiet to unsettled geomagnetic conditions are expected over the next 24 hours due to the ongoing influence of the wind stream associated with the negative polarity coronal hole.

Het geschatte internationale zonnevlekkengetal (ISN) van vandaag: 000, gebaseerd op 22 stations.

Zon indexen voor 11 Aug 2019

Wolfgetal Catania	///
10cm zonneflux	068
AK Chambon La Forêt	012
AK Wingst	008
Geschatte Ap	007
Geschat internationaal zonnevlekkengetal	000 - Gebaseerd op 27 stations

Overzicht opvallende gebeurtenissen

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

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