Diskussion av prognoserat rymdväder

Datum av rapporten: 2018 Jan 21 1230 UTC
Skapad av NOAA SWPC och bearbetad av SWL

Solaktivitet

Sammanfattning av de senaste 24 timmarna
Solar activity was very low. The solar disk was spotless. There were no Earth-directed CMEs observed in available satellite imagery.
Prognos
Solar activity is expected to remain at very low levels throughout the forecast period (21-23 Jan).

Energirika partiklar

Sammanfattning av de senaste 24 timmarna
The greater than 2 MeV electron flux was at normal levels and the greater than 10 MeV proton flux was steady at background levels.
Prognos
The greater than 2 MeV electron flux is expected to be at normal levels on day one (21 Jan) with an increase to moderate levels on days two and three (22-23 Jan) due to CH HSS influence. The greater than 10 MeV proton flux is expected to persist at background levels throughout the forecast period.

Solvind

Sammanfattning av de senaste 24 timmarna
The solar wind environment was slightly disturbed. Solar wind speed ranged between 400-460 km/s. Total field peaked at 12 nT. Bz briefly dropped to -7 nT late in the period. Phi angle was variable but predominantly in a negative (towards) orientation.
Prognos
Additional solar wind enhancements are expected on day one (21 Jan) due to the anticipated influence of a negative polarity CH HSS. Enhancements are likely to slowly wane over days two and three (22-23 Jan) as CH HSS influence weakens.

Geospace

Sammanfattning av de senaste 24 timmarna
The geomagnetic field was at quiet to unsettled levels.
Prognos
The geomagnetic field will likely reach isolated periods of active conditions on day one (21 Jan) due to anticipated CH HSS effects. Unsettled conditions are likely on days two and three (22-23 Jan) as influence from the CH HSS persists.
Enligt den aktuella datan finns det ingen chans för norrsken på medelhöga breddgrader

Senaste nytt

Dagens rymdväder

Norrsken i realtid Svag Stark
Höga breddgrader 30% 35%
Medelhöga breddgrader 10% 1%
Prognoserad Kp max 4
Solaktivitet
M-klassutbrott 1%
X-klassutbrott 1%
Månfas
Tilltagande halvmåne i första kvarteret

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1%

Latest alerts

Vad är norrskensmeddelande?

Rymdvädersfakta

Senaste X-utbrottet:10/09/2017X8.2
Senaste M-utbrottet:20/10/2017M1.0
Senaste geomagnetiska stormen:14/01/2018Kp5 (G1)
Dagar utan solfläckar i 2018:7
Dagar utan solfläckar just nu:2

I dag i historien*

Solutbrott
12003M1.9
22005M1.7
32000M1.4
42005M1.2
52001M1.1
ApG
1200566G4
2201633G2
3200119
4200318
5200414
*sedan 1994

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