Kosmoseilma ennustuse alane diskusioon

Välja antud: 2019 Sep 18 0030 UTC
Koostanud Ameerika Ühendriikide kaubandusosakond, NOAA, kosmoseilma prognoosikeskus (SWPC) ja töödeldud SpaceWeatherLive.com-i poolt

Päikese aktiivsus

24 h summaarne
Solar activity continued at very low levels under a spotless solar disk. No Earth-directed CMEs were observed.
Ennustus
Solar activity is expected to be at very low levels on 18-20 Sep.

Energeetilised osakesed

24 h summaarne
The greater than 2 MeV electron flux reached high levels, observing a peak value of 1141 pfu at 17/2030 UTC levels. The greater than 10 MeV proton flux was at background levels.
Ennustus
The greater than 2 MeV electron flux is expected to be at normal to moderate levels on 18-20 Sep. The greater than 10 MeV proton flux is expected to continue at background levels.

Päikese tuul

24 h summaarne
Solar wind speeds averaged around 400 km/s, with a slight increase to near 450 km/s by periods end. Total field ranged from 1-8 nT while the Bz component was between +5/-6 nT. Phi angle was mostly negative until near the end of the period when it began moving into a positive sector.
Ennustus
Solar wind parameters are forecast to be slightly enhanced on 18 Sep, due to a negative polarity CH HSS. HSS effects are expected to wane, with ambient conditions expected on 19 and 20 Sep.

Georuum

24 h summaarne
The geomagnetic field was mostly quiet with isolated active periods between 17/0000-0300 UTC and 17/2100-18/0000 UTC.
Ennustus
The geomagnetic field is expected to be at quiet to unsettled conditions, with isolated active levels early, on 18 Sep due to a negative polarity CH. Waning CH influence should subside, with a return to mostly quiet conditions on 19 and 20 Sep.

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