Het archief bekijken van vrijdag 20 juni 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 Jun 20 2200 UTC
Opgemaakt door de NOAA © SWPC en verwerkt door Poollicht.beUSAF/NOAA rapport van de zonneactiviteit en geofysische activiteit
SDF Nummer 171 gepubliceerd omstreeks 2200Z op 20 Jun 2003
IA. Analyse van de actieve zonneregio's en zonneactiviteit van 19-2100Z tot 20-2100Z
Solar activity increased to low levels today. Region
386 (S07E17) produced two low levels C-class flares today along with
several B-class flares. The northern portion of the penumbral field
appears to have undergone some rotation since yesterday while the
delta magnetic structure in the southern leading edge of group has
changed little during the period and remains intact. Region 387
(N18E36) was quiescent today although spot coverage and magnetic
complexity have both shown growth over the period. Region 389
(S12E14) was newly numbered today.
IB. Voorspelling zonneactiviteit
Solar activity is expected to range
from low to moderate levels. Region 386 remains capable of
producing an isolated major event.
IIA. Samenvatting geofysische activiteit 19-2100Z tot 20-2100Z
The geomagnetic field was at predominantly unsettled levels today as
effects from the western most recurrent coronal hole wanes. The
greater than 2 MeV electron flux at geosynchronous orbit reached
high levels today.
IIB. Voorspelling geofysische activiteit
The geomagnetic field is
expected to be at predominantly unsettled levels. Active conditions
may exist especially at high latitudes beginning late on day two
with the return of a recurrent coronal hole high speed stream.
III. Kans zonnevlammen van 21 Jun tot 23 Jun
Klasse M | 40% | 40% | 40% |
Klasse X | 10% | 10% | 10% |
Proton | 10% | 10% | 10% |
PCAF | yellow
|
IV. Penticton 10.7 cm Flux
Geobserveerd 20 Jun 117
Voorspeld 21 Jun-23 Jun 115/115/120
90 dagen gemiddelde 20 Jun 125
V. Geomagnetische A index
Geobserveerd Afr/Ap 19 Jun 016/018
Geraamd Afr/Ap 20 Jun 010/015
Voorspeld Afr/Ap 21 Jun-23 Jun 010/015-012/015-012/020
VI. Kansen op geomagnetische activiteit van 21 Jun tot 23 Jun
A. Gemiddelde breedtegraad |
Actief | 15% | 25% | 25% |
Kleine storm | 05% | 05% | 10% |
Zware-ernstige stormcondities | 01% | 01% | 01% |
B. Hoge breedtegraad |
Actief | 30% | 30% | 40% |
Kleine storm | 15% | 15% | 20% |
Zware-ernstige stormcondities | 05% | 05% | 05% |
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K-Indices:
On 16 June, it was determined that a scaling problem exists with the Boulder magnetometer instrument. While this problem, and its fix are being investigated the primary instrument for Boulder K-indices has been switched to the Boulder USGS (via Domsat) magnetometer, effective 1500 UTC on 16 June.
GOES Protons:
To ensure continued operational monitoring of important energetic particle data, it is necessary to reassign primary/secondary designations for the GOES Space Environment Monitor (SEM) detectors. GOES 11 (113W) is now the primary satellite for protons. GOES 12 will continue as the primary satellite for magnetometer, X-ray, and electron measurements. GOES 10 (135W) will be the secondary satellite for all SEM sensors - magnetometer, X-ray, and energetic particles. Because of the degraded state of the proton data on GOES-10, its designation as the secondary source for proton data is a short-term solution. More permanent solutions have been identified and are being evaluated. Users will be notified when we define and schedule a permanent fix. Further details can be found at http://www.sec.noaa.gov/GOES.html.
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Alle tijden in UTC
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