Het archief bekijken van vrijdag 7 november 1997
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 1997 Nov 07 2200 UTC
Opgemaakt door de NOAA © SWPC en verwerkt door Poollicht.beUSAF/NOAA rapport van de zonneactiviteit en geofysische activiteit
SDF Nummer 311 gepubliceerd omstreeks 2200Z op 07 NOV 1997
IA. Analyse van de actieve zonneregio's en zonneactiviteit van 06-2100Z tot 07-2100Z
SOLAR ACTIVITY WAS LOW. THE LARGEST (AND ONLY) C-CLASS
FLARE OF THE PAST DAY WAS A C1/SF IN REGION 8103 (N22W33) AT
07/0926Z. THIS REGON IS GROWING SLOWLY BUT REMAINS A SMALL,
RELATIVELY SIMPLE SUNSPOT GROUP. REGION 8100 (S19W77) HAS BEEN QUIET
SINCE YESTERDAY'S MAJOR FLARE, ONLY PRODUCING A FEW SMALL SUBFLARES.
THIS REGION APPEARS TO HAVE SIMPLIFIED CONSIDERABLY OVER THE PAST 24
HOURS; HOWEVER, ITS PROXIMITY TO THE WEST LIMB MAKES A COMPLETE
ANALYSIS DIFFICULT.
IB. Voorspelling zonneactiviteit
SOLAR ACTIVITY IS EXPECTED TO BE LOW
TO MODERATE. C-CLASS ACTIVITY IS POSSIBLE IN REGION 8103. REGION
8100 MAY PRODUCE ANOTHER MAJOR FLARE BEFORE ITS DISK DEPARTURE BUT
THIS IS BECOMING LESS LIKELY.
IIA. Samenvatting geofysische activiteit 06-2100Z tot 07-2100Z
THE GEOMAGNETIC FIELD RANGED FROM QUIET TO SEVERE STORM LEVELS. MAJOR
TO SEVERE STORM CONDITIONS WERE EXPERIENCED AT MOST STATIONS DURING
THE 07/0000-0600Z PERIODS FOLLOWING AN INTERPLANETARY SHOCK ARRIVAL
AND SUDDEN STORM COMMENCEMENT (SSC) AT 06/2252Z. THIS SHOCK IS
PRESUMED TO BE RELATED TO THE X2/2B FLARE OF 04 NOV. THE GREATER
THAN 10 MEV AND GREATER THAN 100 MEV PROTON EVENTS GENERATED FROM
YESTERDAY'S X9/2B FLARE REMAIN IN PROGRESS. PROTON EVENT
PARTICULARS: GREATER THAN 10 MEV START 06/1305Z AND PEAK (490 PFU)
07/0250Z; GREATER THAN 100 MEV START 06/1245Z AND PEAK (51 PFU)
06/1640Z. THE PCA CONTINUES IN PROGRESS.
IIB. Voorspelling geofysische activiteit
THE GEOMAGNETIC FIELD IS
EXPECTED TO BE MOSTLY UNSETTLED TO ACTIVE WITH ISOLATED STORM
CONDITIONS DURING LOCAL NIGHTTIME. A SIGNIFICANT INCREASE IN
GEOMAGNETIC ACTIVITY IS NOT EXPECTED FROM THE X9/2B FLARE DUE TO THE
FLARE LOCATION AND THE PRESUMED DIRECTION OF THE ASSOCIATED CME.
HOWEVER, IF THE SHOCK ENCOUNTERS THE EARTH TOMORROW, AS EXPECTED,
GEOMAGNETIC ACTIVITY LEVELS MAY BRIEFLY BE ENHANCED TO ACTIVE TO
STORM LEVELS. THE PROTON EVENTS ARE EXPECTED TO REMAIN IN PROGRESS
THROUGH TOMORROW AS FLUXES SLOWLY RETURN TO BACKGROUND.
III. Kans zonnevlammen van 08 NOV tot 10 NOV
Klasse M | 25% | 10% | 01% |
Klasse X | 05% | 01% | 01% |
Proton | 05% | 01% | 01% |
PCAF | IN PROGRESS
|
IV. Penticton 10.7 cm Flux
Geobserveerd 07 NOV 094
Voorspeld 08 NOV-10 NOV 090/085/080
90 dagen gemiddelde 07 NOV 090
V. Geomagnetische A index
OBSERVED AFR/AP 06 NOV 013/012
ESTIMATED AFR/AP 07 NOV 030/045
PREDICTED AFR/AP 08 NOV-10 NOV 030/035-015/030-010/012
VI. Kansen op geomagnetische activiteit van 08 NOV tot 10 NOV
A. Gemiddelde breedtegraad |
Actief | 20% | 20% | 10% |
Kleine storm | 25% | 10% | 05% |
Zware-ernstige stormcondities | 10% | 05% | 01% |
B. Hoge breedtegraad |
Actief | 20% | 20% | 10% |
Kleine storm | 25% | 10% | 05% |
Zware-ernstige stormcondities | 10% | 05% | 01% |
Alle tijden in UTC
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