Het archief bekijken van woensdag 17 juli 2019

Dagelijks bulletin over zonne- en geomagnetische activiteit van het SIDC

Datum verslag: 2019 Jul 17 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
17 Jul 2019	067	006
18 Jul 2019	068	005
19 Jul 2019	068	005

Bulletin

Solar activity was at very low levels. The Sun remains spotless and no flares have been observed. No Earth directed coronal mass ejections (CME) were observed over the last 24 hours in the available coronagraph imagery. The greater than 10 MeV proton flux remained at background levels over the past 24 hours. Solar activity is expected to remain at very low levels.

The solar wind speed gradually increased over the period from 370 to a maximum of around 500 km/s at 07:15 UT (ACE). The Bz varied between -5 and +4 nT. The interplanetary magnetic field was predominantly directed away from the Sun (positive sector). Quiet to unsettled geomagnetic conditions were observed, with the Kp index (NOAA) ranging between 0-2 and the local K index (Dourbes) ranging between 1-3 over the past 24 hours.

Quiet geomagnetic conditions are expected with possible isolated unsettled intervals.

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

Zon indexen voor 16 Jul 2019

Wolfgetal Catania	000
10cm zonneflux	067
AK Chambon La Forêt	013
AK Wingst	006
Geschatte Ap	006
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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