Het archief bekijken van donderdag 29 mei 2003
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 2003 May 29 2200 UTC
Opgemaakt door de NOAA © SWPC en verwerkt door Poollicht.beUSAF/NOAA rapport van de zonneactiviteit en geofysische activiteit
SDF Nummer 149 gepubliceerd omstreeks 2200Z op 29 May 2003
IA. Analyse van de actieve zonneregio's en zonneactiviteit van 28-2100Z tot 29-2100Z
Solar activity was at high levels. Region 365 (S07W45)
once again produced a major flare early in the period. An X1.1/2b
event occurred at 29/0105Z that had an associated Tenflare, Type IV
and Type II (estimated shock velocity of 1170 km/s.) radio sweeps.
SOHO/LASCO imagery depicts a very symmetric full halo CME resulting
from the event. This region remains extremely complex (a
beta-gamma-delta structure) although the penumbral coverage has
shown little growth during the period. Region 368 (S32W15) also
managed to produce a notable flare today, an M1.5/1f event occurred
at 29/0217Z. This region did show some magnetic growth during the
period. No new regions were numbered today.
IB. Voorspelling zonneactiviteit
Solar activity is expected to be at
moderate to high levels. Region 365 continues to show the potential
to produce major flare activity.
IIA. Samenvatting geofysische activiteit 28-2100Z tot 29-2100Z
The geomagnetic field was at unsettled to severe storm levels. A
recurrent coronal hole was responsible for the initial elevated
conditions. At approximately 29/1155Z the first of two transients
associated with the first two X-class flares from late on the 27th
and early on the 28th passed the NASA/ACE space craft. The second
occurred at approximately 29/1830Z and was responsible for the
severe storm conditions seen late in the period. The greater than
10 MeV proton fluxes at geosynchronous orbit achieved event levels
at 28/2335Z and reached a maximum of 121 pfu at 29/1530Z. The
greater than 2 MeV electron fluxes at geosynchronous orbit reached
high levels today.
IIB. Voorspelling geofysische activiteit
The geomagnetic field is
expected to be at predominantly active to major storm levels with
severe storm condition anticipated. Another transient passage is
expected between 30/0600 and 1200Z on day one of the period. The
greater than 10 MeV proton fluxes should remain above threshold
levels through day one of the interval.
III. Kans zonnevlammen van 30 May tot 01 Jun
Klasse M | 75% | 75% | 75% |
Klasse X | 25% | 25% | 25% |
Proton | 80% | 50% | 25% |
PCAF | in progress
|
IV. Penticton 10.7 cm Flux
Geobserveerd 29 May 138
Voorspeld 30 May-01 Jun 145/140/135
90 dagen gemiddelde 29 May 125
V. Geomagnetische A index
Geobserveerd Afr/Ap 28 May 022/036
Geraamd Afr/Ap 29 May 050/060
Voorspeld Afr/Ap 30 May-01 Jun 050/060-025/040-015/025
VI. Kansen op geomagnetische activiteit van 30 May tot 01 Jun
A. Gemiddelde breedtegraad |
Actief | 25% | 50% | 30% |
Kleine storm | 35% | 25% | 15% |
Zware-ernstige stormcondities | 35% | 15% | 05% |
B. Hoge breedtegraad |
Actief | 20% | 30% | 35% |
Kleine storm | 35% | 35% | 20% |
Zware-ernstige stormcondities | 40% | 30% | 15% |
Alle tijden in UTC
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