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Denní bulletin o sluneční a geomagnetické aktivitě ze SIDC

Vydáno: 2024 Jan 16 1253 UTC

SIDC Předpověď

Sluneční erupce

Quiet conditions (<50% probability of C-class flares)

Geomagnetismus

Quiet (A<20 and K<4)

Sluneční protony

Quiet

	10cm tok	Ap
16 Jan 2024	183	007
17 Jan 2024	183	007
18 Jan 2024	183	007

Slunečně aktivní oblasti a vzplanutí

Solar flaring activity over the past 24 hours was at low levels. There are currently 12 numbered active regions on the visible disk. NOAA AR 3540 (beta-gamma) has become more magnetically complex but does no show any significant flaring activity. NOAA AR 3540 (beta) has been the most active region in the last 24 hours, producing most of the C-flares. All other regions have alpha or beta magnetic field configurations. NOAA AR 3539 has started to rotate off the visible disk, NOAA AR 3539 has decayed. The solar flaring activity is likely to be at low levels over the coming days with C-class flares and possible M-class flares.

Vyhazování koronální hmoty

Based on currently available coronagraph images several coronal mass ejections (CMEs) were observed. No Earth directed coronal mass ejections have been observed in the last 24 hours.

Koronální díra

The small mid-latitude coronal hole in the northern hemisphere (with positive magnetic polarity) is now on the West-side and has finished crossing the central meridian.

Solární bouře

Mostly slow solar wind conditions were recorded over the past 24 hours, with probably some weak influence from the high-speed solar wind stream equatorial coronal hole (with positive magnetic polarity), which reached the central meridian on January 11. The solar wind speed as measured by DSCOVR ranged between 300 km/s and 518 km/s, but DSCOVR data is marked as suspect while ACE data was unavailable during this period. The total interplanetary magnetic field fluctuated between 3 nT and 10 nT, with the Bz (north-south) component fluctuating between -6 nT and 6 nT being manly positive.

Geomagnetismus

The geomagnetic conditions over the past 24 hours were globally and locally quiet (Kp 2 and K Bel 2). Quiet to unsettled conditions are expected in the next 24 hours due to the arrival of the high-speed solar wind stream associated to the equatorial coronal hole.

Úrovně protonového toku

The greater than 10 MeV proton flux where at background level. It is expected to be at background levels in the next 24 hours. Due to the number of complex regions currently on the disk, we cannot exclude the possibility of new proton events in the next 24 hours.

Elektronové toky na geostacionární oběžné dráze

The greater than 2 MeV GOES 16 electron flux was below the 1000 pfu threshold and is expected to remain so in the next 24 hours. The 24h electron fluence was at nominal level and is expected to remain so in the next 24 hours.

Dnešní odhadovaný mezinárodní počet slunečních skvrn (ISN): 125, na základě 10 stanic.

Solární indexy za 15 Jan 2024

Wolfovo číslo Catania	///
10cm sluneční tok	183
AK Chambon La Forêt	013
AK Wingst	006
Odhadovaný Ap	005
Odhadovaný mezinárodní počet slunečních skvrn	142 - Na základě 19 stanic

Souhrn významných událostí

Poskytuje Centrum pro analýzu dat o solárních vlivech© - SIDC - Zpracováno SpaceWeatherLive

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