Het archief bekijken van zaterdag 22 augustus 1998
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 1998 Aug 22 2200 UTC
Opgemaakt door de NOAA © SWPC en verwerkt door Poollicht.beUSAF/NOAA rapport van de zonneactiviteit en geofysische activiteit
SDF Nummer 234 gepubliceerd omstreeks 2200Z op 22 AUG 1998
IA. Analyse van de actieve zonneregio's en zonneactiviteit van 21-2100Z tot 22-2100Z
SOLAR ACTIVITY BECAME HIGH. REGION 8307 (N31E35)
PRODUCED AN IMPULSIVE M9/2B AT 22/0009Z WITH A TYPE IV RADIO SWEEP
EVENT AND MODERATE RADIO BURSTS IN THE GHZ RANGE. THIS REGION
EXHIBITED SOME GROWTH, ESPECIALLY IN THE NORTHERN PORTION OF THE
REGION WHERE A DELTA CONFIGURATION IS FORMING. REGION 8307 PRODUCED
SEVERAL OTHER SMALL C-CLASS EVENTS DURING THE PERIOD.
IB. Voorspelling zonneactiviteit
SOLAR ACTIVITY SHOULD BE MODERATE TO
HIGH DURING THE NEXT THREE DAYS. REGION 8307 MAINTAINS THE
CAPABILITY OF PRODUCING MID-LEVEL M-CLASS EVENTS AND OCCASIONAL
X-CLASS EVENTS.
IIA. Samenvatting geofysische activiteit 21-2100Z tot 22-2100Z
THE GEOMAGNETIC FIELD WAS PREDOMINANTLY QUIET EARLY IN THE PERIOD. A
DISTURBANCE OCCURRED BETWEEN 22/0600Z TO APPROXIMATELY 22/1300Z.
ACTIVE TO MAJOR STORM CONDITIONS WERE OBSERVED DURING THAT TIME.
SOME HIGH LATITUDE SENSORS RECORDED PERIODS OF SEVERE STORMING. THE
FIELD WAS UNSETTLED TO SLIGHTLY ACTIVE FOR THE REMAINDER OF THE
PERIOD. SOLAR WIND DATA DURING THE DISTURBANCE SHOWED A LOW SPEED,
MODERATELY HIGH DENSITY FLOW IN THE VICINITY OF THE EARTH. THESE
SOLAR WIND CONDITIONS ARE NOT CHARACTERISTIC OF CORONAL HOLE RELATED
STREAMS. HOWEVER, AT THE END OF THE PERIOD, SOLAR WIND VELOCITY WAS
INCREASING AND DENSITY DECREASING. THE GREATER THAN 10 MEV PROTON
FLUXES HAVE BEEN SLIGHTLY ELEVATED ABOVE BACKGROUND BUT BELOW EVENT
THRESHOLD SINCE EARLY ON 20 AUG.
IIB. Voorspelling geofysische activiteit
THE GEOMAGNETIC FIELD IS
EXPECTED TO BE PREDOMINANTLY UNSETTLED TO ACTIVE FOR THE NEXT THREE
DAYS. PERIODS OF MINOR STORMING ARE POSSIBLE EACH DAY BUT ESPECIALLY
ON 25 AUG WHEN A SMALL DISTURBANCE RELATED TO THE M9 EVENT MENTIONED
ABOVE IS EXPECTED TO REACH THE EARTH. AN ENERGETIC SOLAR PROTON
EVENT IS POSSIBLE DURING THE PERIOD SHOULD REGION 8307 PRODUCE
ANOTHER LARGE EVENT.
III. Kans zonnevlammen van 23 AUG tot 25 AUG
Klasse M | 80% | 80% | 80% |
Klasse X | 30% | 30% | 30% |
Proton | 20% | 25% | 30% |
PCAF | GREEN
|
IV. Penticton 10.7 cm Flux
Geobserveerd 22 AUG 133
Voorspeld 23 AUG-25 AUG 136/139/142
90 dagen gemiddelde 22 AUG 116
V. Geomagnetische A index
OBSERVED AFR/AP 21 AUG 003/006
ESTIMATED AFR/AP 22 AUG 017/020
PREDICTED AFR/AP 23 AUG-25 AUG 015/020-015/020-020/020
VI. Kansen op geomagnetische activiteit van 23 AUG tot 25 AUG
A. Gemiddelde breedtegraad |
Actief | 30% | 30% | 30% |
Kleine storm | 15% | 15% | 20% |
Zware-ernstige stormcondities | 05% | 05% | 10% |
B. Hoge breedtegraad |
Actief | 30% | 30% | 30% |
Kleine storm | 15% | 15% | 20% |
Zware-ernstige stormcondities | 05% | 05% | 10% |
Alle tijden in UTC
<< Keer terug naar de dagelijkse overview pagina