Het archief bekijken van maandag 23 november 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 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 1998
IA. Analyse van de actieve zonneregio's en zonneactiviteit van 22-2100Z tot 23-2100Z
SOLAR ACTIVITY REMAINED AT HIGH LEVELS. REGION 8384
(S26W101) PRODUCED ANOTHER MAJOR FLARE AS IT CONTINUED TO ROTATE
BEYOND THE WEST LIMB. THE FLARE WAS AN X2/SF AT 23/0644UT WITH AN
ASSOCIATED SIGNIFICANT TYPE IV RADIO SWEEP, A LOOP PROMINENCE
SYSTEM, AND MODERATE DISCRETE FREQUENCY RADIO EMISSION. OPTICALLY
UNCORRELATED, LOW-LEVEL M-CLASS X-RAY FLARES WERE DETECTED AT
22/2215UT AND 23/1121UT. A SPRAY REACHING 0.3 SOLAR RADII WAS SEEN
ON THE NORTHEAST LIMB NEAR N20 AND WAS LIKELY ASSOCIATED WITH THE
RETURN OF OLD REGION 8375 (N19, L = 185). A 200 SFU TENFLARE WAS
DETECTED DURING THE SPRAY. NEW REGION 8393 (S18E71) WAS NUMBERED
TODAY AS A SMALL D-TYPE. IT IS THE RETURN OF OLD REGION 8379, WHICH
DID NOT PRODUCE SIGNIFICANT ACTIVITY DURING ITS LAST ROTATION. NO
SIGNIFICANT GROWTH OR DECAY WAS NOTED IN THE REMAINING REGIONS.
IB. Voorspelling zonneactiviteit
SOLAR ACTIVITY IS EXPECTED TO BE LOW
TO MODERATE. M-CLASS FLARE PROBABILITIES MAY INCREASE UPON THE
RETURN OF OLD REGION 8375, WHICH PRODUCED A MAJOR FLARE AND A SOLAR
PROTON EVENT DURING ITS LAST ROTATION. THERE IS STILL A SMALL, BUT
DIMINISHING CHANCE FOR AN ISOLATED M-CLASS FLARE FROM BEYOND THE
SOUTHWEST LIMB.
IIA. Samenvatting geofysische activiteit 22-2100Z tot 23-2100Z
THE GEOMAGNETIC FIELD WAS AT QUIET TO UNSETTLED LEVELS. THE PROTON
FLUX ENHANCEMENT AT GT 10 MEV (THAT FOLLOWED YESTERDAY'S X3/1N
FLARE) DECLINED TO BACKGROUND LEVELS.
IIB. Voorspelling geofysische activiteit
THE GEOMAGNETIC FIELD IS
EXPECTED TO BE AT UNSETTLED TO ACTIVE LEVELS DURING THE FIRST TWO
DAYS, THEN DECLINE TO UNSETTLED LEVELS ON DAY THREE. THE GT 2 MEV
ELECTRON FLUX MAY RISE TO HIGH LEVELS DURING THE LATTER HALF OF THE
FORECAST PERIOD.
III. Kans zonnevlammen van 24 NOV tot 26 NOV
Klasse M | 40% | 30% | 30% |
Klasse X | 10% | 01% | 01% |
Proton | 10% | 01% | 01% |
PCAF | YELLOW
|
IV. Penticton 10.7 cm Flux
Geobserveerd 23 NOV 130
Voorspeld 24 NOV-26 NOV 125/125/125
90 dagen gemiddelde 23 NOV 131
V. Geomagnetische A index
OBSERVED AFR/AP 22 NOV 006/007
ESTIMATED AFR/AP 23 NOV 010/009
PREDICTED AFR/AP 24 NOV-26 NOV 015/015-015/015-010/010
VI. Kansen op geomagnetische activiteit van 24 NOV tot 26 NOV
A. Gemiddelde breedtegraad |
Actief | 30% | 30% | 20% |
Kleine storm | 10% | 10% | 05% |
Zware-ernstige stormcondities | 01% | 01% | 01% |
B. Hoge breedtegraad |
Actief | 40% | 40% | 20% |
Kleine storm | 10% | 10% | 05% |
Zware-ernstige stormcondities | 01% | 01% | 01% |
Alle tijden in UTC
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