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Denní bulletin o sluneční a geomagnetické aktivitě ze SIDC

Vydáno: 2024 Jul 03 1231 UTC

SIDC Předpověď

Sluneční erupce

M-class flares expected (probability >=50%)

Geomagnetismus

Active conditions expected (A>=20 or K=4)

Sluneční protony

Quiet

	10cm tok	Ap
03 Jul 2024	160	013
04 Jul 2024	168	010
05 Jul 2024	172	011

Slunečně aktivní oblasti a vzplanutí

Solar flaring activity over the past 24 hours was at moderate levels, with one M-class flare recorded. The largest flare was a M1.5-flare, with peak time 07:41 UTC on July 03 associated with NOAA AR 3730 (beta). There are currently 12 numbered active regions on the visible disk. NOAA AR 3729 (beta-gamma) was the largest and most magnetically complex region on disk and produced most of the flares in the last 24 hours. NOAA AR 3721, NOAA AR 3722 and NOAA AR 3724 have started to rotate over the west limb. NOAA AR 3728 has turned into a plage region. The solar flaring activity is likely to be at moderate levels over the coming days with C-class flares expected and M-class flares likely and an unlikely chance for a X-class flares.

Vyhazování koronální hmoty

Two Coronal Mass Ejection (CME), were detected at 18:24 UTC on July 02 and at 08:36 UTC on July 03, in LASCO C2 data. These CME were associated respectively with a C4.8-flare, with peak time 20:57 UTC on July 02 and with a M1.5-flare, with peak time 07:41 UTC on July 03, both of these flares are associated with NOAA AR 3730. Further analysis is ongoing. Further analysis of the CME, seen at 11:24 UTC on June 01 in LASCO C2 data, shows that while the bulk of the ejecta is expected to miss the Earth, a glancing blow is possible on July 05.

Solární bouře

Slow solar wind conditions were recorded over the past 24 hours. The solar wind speed varied within 320 - 420 km/s. The interplanetary magnetic field varied between 2 nT and 6 nT, with the Bz reaching a minimum value of -4 nT. The phi-angle was mainly in the positive sector (directed away from the Sun) with periods in the negative sector. The solar wind is may become perturbed late on July 03, due to the possible ICME arrival of a June 29 CME.

Geomagnetismus

Geomagnetic conditions were globally quiet (Kp 1-2) and locally quiet to unsettled (K_Bel 1-3). Unsettled to active conditions are expected in the next 24 hours.

Úrovně protonového toku

Over the past 24 hours the greater than 10 MeV GOES proton flux was at background levels and is expected to remain so over the next days.

Elektronové toky na geostacionární oběžné dráze

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

Dnešní odhadovaný mezinárodní počet slunečních skvrn (ISN): 185, na základě 08 stanic.

Solární indexy za 02 Jul 2024

Wolfovo číslo Catania	///
10cm sluneční tok	164
AK Chambon La Forêt	007
AK Wingst	006
Odhadovaný Ap	008
Odhadovaný mezinárodní počet slunečních skvrn	205 - Na základě 15 stanic

Souhrn významných událostí

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

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