Affichage des archives de mercredi, 2 septembre 1998
Rapport d'activité solaire
Any mentioned solar flare in this report has a scaling factor applied by the Space Weather Prediction Center (SWPC). Because of the SWPC scaling factor, solar flares are reported as 42% smaller than for the science quality data. The scaling factor has been removed from our archived solar flare data to reflect the true physical units.
Rapport d'activité solaire et géophysique 1998 Sep 02 2200 UTCFait par le NOAA © SWPC et adapté par SpaceWeatherLive.com
Rapport de l'USAF/NOAA sur l'activité solaire et géophysique
SDF numéro 245 publié à 2200Z le 02 SEP 1998IA. Analyse des régions solaires actives et activité du 01-2100Z au 02-2100Z SOLAR ACTIVITY REMAINED AT MODERATE LEVELS. REGION 8319
(N19W81) PRODUCED AN M2/SF FLARE AT 02/1707UT. THERE WERE NO
SIGNIFICANT CHANGES NOTED IN THIS STRUCTURALLY SIMPLE SPOT GROUP.
REGION 8323 (S22E16) REMAINED THE FOCUS OF INTEREST, GIVEN ITS LARGE
AREA (1430 MILLIONS) AND MAGNETIC COMPLEXITY. IT PRODUCED SEVERAL
C-CLASS SUBFLARES. ASIDE FROM A GRADUAL INCREASE IN AREA, NO
REMARKABLE CHANGES WERE OBSERVED WITHIN THIS REGION. NEW REGION 8325
(S28E47), A SMALL A-TYPE GROUP, WAS ASSIGNED TODAY.
IB. Prévisions d'activité solaire
SOLAR ACTIVITY IS EXPECTED TO BE
MODERATE WITH M-CLASS FLARES POSSIBLE FROM REGIONS 8323 AND 8319.
THERE IS ALSO A FAIR CHANCE FOR A MAJOR FLARE FROM REGION 8323.
IIA. Résumé de l'activité géophysique du 01-2100Z au 02-2100Z
THE GEOMAGNETIC FIELD HAS BEEN MOSTLY QUIET TO UNSETTLED. ISOLATED
ACTIVE PERIODS OCCURRED AT SOME HIGH LATITUDE STATIONS. THE GREATER
THAN 2 MEV ELECTRON FLUX WAS AT MODERATE TO HIGH LEVELS.
IIB. Prévision de l'activité géophysique
THE GEOMAGNETIC FIELD IS
EXPECTED TO BE MOSTLY UNSETTLED WITH ISOLATED ACTIVE PERIODS DURING
THE FIRST TWO DAYS. QUIET TO UNSETTLED CONDITIONS ARE EXPECTED
DURING THE FINAL DAY. THE GREATER THAN 2 MEV ELECTRON FLUX IS
EXPECTED TO REMAIN AT MODERATE TO HIGH LEVELS THROUGH THE PERIOD.
III. Probabilité d'éruption solaire du 03 SEP au 05 SEP
| Classe M | 70% | 60% | 60% |
| Classe X | 20% | 20% | 20% |
| Proton | 20% | 20% | 20% |
| PCAF | GREEN | ||
IV. Flux Penticton 10.7 cm
Observé 02 SEP 163 Prévisionnel 03 SEP-05 SEP 155/150/145 Moyenne des 90 derniers jours 02 SEP 121
V. Indice géomagnetique A
OBSERVED AFR/AP 01 SEP 013/018 ESTIMATED AFR/AP 02 SEP 010/008 PREDICTED AFR/AP 03 SEP-05 SEP 012/012-015/012-010/012
VI. Probabilités d'activité géomagnétique du 03 SEP au 05 SEP
| A. Latitudes moyennes | |||
|---|---|---|---|
| Actif | 30% | 35% | 30% |
| Tempête mineure | 10% | 15% | 10% |
| Tempête majeure/sévère | 01% | 05% | 01% |
| B. Hautes latitudes | |||
|---|---|---|---|
| Actif | 35% | 35% | 35% |
| Tempête mineure | 10% | 15% | 10% |
| Tempête majeure/sévère | 01% | 05% | 01% |
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