Het archief bekijken van vrijdag 18 december 2015

Dagelijks bulletin over zonne- en geomagnetische activiteit van het SIDC

Datum verslag: 2015 Dec 18 1230 UTC

SIDC Prognose

Zonnevlammen

C-class flares expected, (probability >=50%)

Geomagnetisme

Minor storm expected (A>=30 or K=5)

Proton Flux monitor

Quiet

	10cm flux	Ap
18 Dec 2015	116	006
19 Dec 2015	114	027
20 Dec 2015	112	010

Bulletin

The Sun produced 3 C flares in the past 24 hours. The brightest flare was a C4.6 flare released by NOAA AR 2469 which peaked at 05:09 UT on December 18. C flares are possible within the next 24 hours, with a chance for an M flare. During the past 24 hours, the solar wind speed gradually decreased from about 470 to 400 km/s with intermittent peaks up to 550 km/s. The magnitude of the Interplanetary Magnetic Field varied between 1 and 8 nT. During the past 24 hours, quiet to unsettled geomagnetic levels were registered (K Dourbes between 1 and 3, NOAA Kp between 1 and 4). Quiet to unsettled geomagnetic conditions (K Dourbes < 4) are expected on December 18. Due to the expected arrival of the December 16 CMEs, active to minor storm conditions (K Dourbes = 4-5) are expected on December 19, with a chance for moderate to major storm conditions (K Dourbes = 6-7). Quiet to unsettled geomagnetic levels are expected on December 20, with a chance for active (K Dourbes = 4) excursions.

Het geschatte internationale zonnevlekkengetal (ISN) van vandaag: 047, gebaseerd op 07 stations.

Zon indexen voor 17 Dec 2015

Wolfgetal Catania	078
10cm zonneflux	118
AK Chambon La Forêt	014
AK Wingst	011
Geschatte Ap	009
Geschat internationaal zonnevlekkengetal	053 - Gebaseerd op 22 stations

Overzicht opvallende gebeurtenissen

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

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