Předpověď počasí ve vesmíru - diskuse

Vydáno: 2025 Apr 08 0030 UTC
Připraveno americkým ministerstvem obchodu, NOAA, střediskem pro předpověď vesmírného počasí a zpracováno na SpaceWeatherLive.com

Sluneční aktivita

24 h Shrnutí

Solar activity was at low levels. Region 4048 (S16W40, Fkc/beta-gamma) produced multiple C-class flares. The largest was a C5.3 at 07/1536 UTC. Region 4048 continued to elongate with slight decay in its leader and intermediate spots. It added more spots to its trailing region, however. Slight growth was observed in Regions 4054 (S13W16, Dai/beta) and 4055 (N08E07, Cao/beta). New Region 4057 (N07E54, Axx/alpha) was numbered. No Earth-directed CMEs were observed.

Předpověď

Solar activity is likely to reach moderate levels (R1-R2/Minor-Moderate), with a slight chance for R3 (Strong) levels, over 08-10 Apr.

Energetické částice

24 h Shrnutí

The greater than 2 MeV electron flux reached high levels, with a peak value of 17,900 pfu at 07/1520 UTC. The greater than 10 MeV proton flux became slightly elevated after 07/1550 UTC, but well below the 10 pfu (S1-Minor) threshold.

Předpověď

The greater than 2 MeV electron flux is expected to be at normal to high levels on 08-10 Apr due to CH HSS influence. The greater than 10 MeV proton flux is expected to be at or near background levels on 08-10 Apr.

Solární bouře

24 h Shrnutí

Solar wind parameters remained enhanced under negative polarity CH HSS influence. Solar wind speed diminished from around 550 km/s to near 520 km/s. Total field was relatively steady at 4-6 nT while the Bz component was between +4/-6 nT. Phi angle was predominantly negative.

Předpověď

Solar wind parameters are expected to continue to be enhanced due to multiple negative polarity CH HSSs traversing the western hemisphere.

Geoprostor

24 h Shrnutí

The geomagnetic field was at quiet to unsettled levels.

Předpověď

Activity from multiple CH HSSs are expected to influence the geomagnetic field over 08-10 Apr causing unsettled to active conditions, with isolated G1 (Minor) storming possible.