Het archief bekijken van zaterdag 28 december 2002
Activiteitenrapport
Rapport van de zonne- en geofysische activiteit van 2002 Dec 28 2200 UTCOpgemaakt door de NOAA © SWPC en verwerkt door Poollicht.be
USAF/NOAA rapport van de zonneactiviteit en geofysische activiteit
SDF Nummer 362 gepubliceerd omstreeks 2200Z op 28 Dec 2002IA. Analyse van de actieve zonneregio's en zonneactiviteit van 27-2100Z tot 28-2100Z
Solar activity was very low. The now spotless Region
235 (N13W08) produced a subfaint flare early in the period, but has
been quiet since. Occasional intensity enhancements accompanied a
small increase in the size and complexity of Region 236 (N16W41).
New Regions 237 (S26E00) and 238 (N09E15) were numbered today. The
remaining regions are small, showing no significant changes this
period. There are several large, but mostly quiescent filaments on
the visible disk. Occasional motion was noted in the large filament
centered near N22W12. A long duration, but low intensity X-ray
enhancement was observed beginning at around 28/1700Z. This was
likely associated with a strong CME that appears to have originated
behind the NW limb.
IB. Voorspelling zonneactiviteit
Solar activity is expected to be low
to very low. There's a chance for low C-class activity from Regions
234 (N19E19) and 236.
IIA. Samenvatting geofysische activiteit 27-2100Z tot 28-2100Z
The geomagnetic field was mostly unsettled to active at all
latitudes. A high speed stream, associated with a large equatorial
coronal hole, began late on 26 Dec and continues to buffet the
magnetic field. The peak solar wind in this high speed stream
exceeded 750 km/s, but has declined slowly to near 650 km/s by the
end of the period. The greater than 2 MeV electron fluxes at
geosynchronous orbit reached high levels.
IIB. Voorspelling geofysische activiteit
The geomagnetic field is
expected to be at quiet to active levels. The high speed coronal hole
stream currently impacting the geomagnetic field will gradually
subside through day one. Ejecta from the CME off the NW limb late in
the period today does not appear Earthbound. Expect mostly unsettled
levels through days two and three of the period.
III. Kans zonnevlammen van 29 Dec tot 31 Dec
| Klasse M | 10% | 10% | 10% |
| Klasse X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Geobserveerd 28 Dec 117 Voorspeld 29 Dec-31 Dec 115/115/120 90 Day Mean 28 Dec 166
V. Geomagnetische A index
Geobserveerd Afr/Ap 27 Dec 022/037 Verwacht Afr/Ap 28 Dec 020/020 Voorspeld Afr/Ap 29 Dec-31 Dec 015/015-008/010-008/010
VI. Kansen geomagnetische activiteit van 29 Dec tot 31 Dec
| A. Gemiddelde breedtegraad | |||
|---|---|---|---|
| Actief | 50% | 30% | 20% |
| Kleine stormcondities | 20% | 10% | 05% |
| Zware-ernstige stormcondities | 05% | 01% | 01% |
| B. Hoge breedtegraad | |||
|---|---|---|---|
| Actief | 60% | 40% | 30% |
| Kleine stormcondities | 30% | 15% | 05% |
| Zware-ernstige stormcondities | 10% | 01% | 01% |
Laatste nieuws
zondag 11 juli 2021 - 16:39 UTC
Coronal hole faces Earth
zaterdag 03 juli 2021 - 15:03 UTC
First X-class solar flare of Solar Cycle 25
maandag 24 mei 2021 - 13:57 UTC
M flares, G2 geomagnetic storm watch
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Ruimteweer feitjes
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| Zonnevlekkenloze dagen | |
|---|---|
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