Het archief bekijken van vrijdag 23 november 2001
Activiteitenrapport
Bij elke genoemde zonnevlam in dit rapport werd een schaalfactor toegepast door het Space Weather Prediction Center (SWPC). Vanwege de SWPC-schaalfactor worden zonnevlammen 42% kleiner gerapporteerd dan voor de wetenschappelijke data. De schaalfactor werd verwijderd uit onze gearchiveerde zonnevlamdata om de werkelijke fysieke eenheden weer te geven.
Rapport van de zonne- en geofysische activiteit van 2001 Nov 23 2200 UTC
Opgemaakt door de NOAA © SWPC en verwerkt door Poollicht.beUSAF/NOAA rapport van de zonneactiviteit en geofysische activiteit
SDF Nummer 327 gepubliceerd omstreeks 2200Z op 23 Nov 2001
IA. Analyse van de actieve zonneregio's en zonneactiviteit van 22-2100Z tot 23-2100Z
Solar activity reached high levels. Following
yesterday's M3/2B flare from Region 9698 (S24W82), a major flare
event occurred in Region 9704 (S17W51). This M9/2n long duration
event peaked at 22/2330 UTC, and was associated with a 9700 sfu
tenflare, type-II and type-IV radio sweeps, and several erupting
filaments in the vicinity of the flare site. A subsequent full halo
CME was observed in SOHO/LASCO imagery, and energetic proton flux
levels were also significantly enhanced by this event, adding to the
above-threshold fluxes already caused by the prior flare. Most
other activity for the remainder of the period was limited to weak
C-class flares. New Region 9715 (N07E80) was numbered as it rotated
into view on the east limb.
IB. Voorspelling zonneactiviteit
Solar activity is expected to be
predominantly low to moderate for the next three days. Region 9704
remains a potential source for an isolated major flare.
IIA. Samenvatting geofysische activiteit 22-2100Z tot 23-2100Z
The geomagnetic field was predominantly quiet to unsettled. A single
active period was observed at Boulder during 23/1200-1500 UTC.
Energetic proton flux at geosynchronous orbit was on the rise at the
beginning of the period, and achieved event thresholds for 100 MeV
integral flux above 1 pfu at 22/2250 UTC, and 10 MeV integral flux
above 10 pfu at 22/2320 UTC. Both events remain in progress, with
maximum 100 MeV integral flux of 4 pfu observed at 23/0850 UTC, and
maximum 10 MeV integral flux of 4800 pfu at 23/1400 UTC.
IIB. Voorspelling geofysische activiteit
Geomagnetic field activity is
expected to increase to active levels within 24 hours, and remain at
predominantly active levels for the next three days. Isolated minor
and major storm periods are possible. These increases are expected
in response to the various CME episodes of the last three days. The
energetic proton events are expected to persist. The 100 MeV
integral flux levels are expected to drop below threshold within 24
hours, while the 10 MeV integral flux levels are expected to remain
above threshold for at least 48 hours.
III. Kans zonnevlammen van 24 Nov tot 26 Nov
| Klasse M | 40% | 40% | 40% |
| Klasse X | 10% | 10% | 10% |
| Proton | 99% | 95% | 75% |
| PCAF | in progress
|
IV. Penticton 10.7 cm Flux
Geobserveerd 23 Nov 177
Voorspeld 24 Nov-26 Nov 175/170/170
90 dagen gemiddelde 23 Nov 218
V. Geomagnetische A index
Geobserveerd Afr/Ap 22 Nov 008/008
Geraamd Afr/Ap 23 Nov 012/010
Voorspeld Afr/Ap 24 Nov-26 Nov 020/020-040/050-030/030
VI. Kansen op geomagnetische activiteit van 24 Nov tot 26 Nov
| A. Gemiddelde breedtegraad |
| Actief | 30% | 35% | 35% |
| Kleine storm | 15% | 25% | 20% |
| Zware-ernstige stormcondities | 05% | 10% | 05% |
| B. Hoge breedtegraad |
| Actief | 35% | 45% | 35% |
| Kleine storm | 15% | 30% | 25% |
| Zware-ernstige stormcondities | 10% | 15% | 10% |
Alle tijden in UTC
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