Het archief bekijken van donderdag 25 juli 2019

Dagelijks bulletin over zonne- en geomagnetische activiteit van het SIDC

Datum verslag: 2019 Jul 25 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
25 Jul 2019	068	006
26 Jul 2019	068	007
27 Jul 2019	068	007

Bulletin

The solar activity has been quiet over the past 24 hours. The sun is currently spotless and the X-ray flux remained below B-level. Solar activity is expected to remain at low levels for the next 24 hours.

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 and is expected to remain at low levels.

The solar wind speed was mostly stable with values ranging between 375 km/s and 400 km/s (ACE). The total interplanetary magnetic field remained below 6 nT, the Bz component varied between -4 nT and +4 nT. The solar wind parameters might show some small enhancement due to the very mild effect of the small south polar coronal hole wind streams.

Quiet geomagnetic conditions were observed with the Kp index (NOAA) and the local K index (Dourbes) ranging between 0-2 over the past 24 hours.

Het geschatte internationale zonnevlekkengetal (ISN) van vandaag: 000, gebaseerd op 26 stations.

Zon indexen voor 24 Jul 2019

Wolfgetal Catania	000
10cm zonneflux	068
AK Chambon La Forêt	009
AK Wingst	007
Geschatte Ap	005
Geschat internationaal zonnevlekkengetal	000 - Gebaseerd op 37 stations

Overzicht opvallende gebeurtenissen

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

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