Affichage des archives de dimanche, 6 février 2000
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 2000 Feb 06 2200 UTCFait par le NOAA © SWPC et adapté par SpaceWeatherLive.com
Rapport de l'USAF/NOAA sur l'activité solaire et géophysique
SDF numéro 037 publié à 2200Z le 06 FEB 2000IA. Analyse des régions solaires actives et activité du 05-2100Z au 06-2100Z SOLAR ACTIVITY WAS LOW. A C2/SF FLARE FROM REGION 8858
(N27E40) WAS THE LARGEST EVENT OF THE PERIOD. THIS REGION HAS BEEN
CONSIDERABLY MORE STABLE SINCE PRODUCING THE X1/3B MAJOR FLARE
YESTERDAY. SOME NEW SPOTS WERE DETECTED BUT OVERALL, THE COMPLEXITY
AND SIZE REMAINS THE SAME. SOME MINOR DEVELOPMENT WAS OBSERVED IN
REGION 8861 (N07W27), WHICH PRODUCED MINOR C-CLASS ACTIVITY LATE IN
THE PERIOD. OCCASIONAL MINOR C-CLASS EVENTS WERE ALSO DETECTED IN
REGION 8851 (N24W48). A PROMINENCE WAS OBSERVED ERUPTING OFF THE SE
LIMB AT 06/1650Z. NEW REGION 8862 (S04E75) WAS NUMBERED TODAY.
IB. Prévisions d'activité solaire
SOLAR ACTIVITY IS EXPECTED TO BE LOW
TO MODERATE. REGION 8858 RETAINS THE MOST POTENTIAL FOR M-CLASS
ACTIVITY. ISOLATED LOW C-CLASS FLARES ARE POSSIBLE FROM SEVERAL
SMALL REGIONS ON THE VISIBLE DISK.
IIA. Résumé de l'activité géophysique du 05-2100Z au 06-2100Z
THE GEOMAGNETIC FIELD WAS UNSETTLED TO ACTIVE WITH ISOLATED MINOR
STORMING PERIODS AT HIGH LATITUDES. THIS IS A CONTINUATION OF A
DISTURBANCE THAT BEGAN YESTERDAY IN RESPONSE TO A FAVORABLY
POSITIONED CORONAL HOLE.
IIB. Prévision de l'activité géophysique
THE GEOMAGNETIC FIELD IS
EXPECTED TO CONTINUE AT UNSETTLED TO ACTIVE LEVELS WITH MINOR
STORMING PERIODS LIKELY AT HIGH LATITUDES DURING LOCAL NIGHTTIME
HOURS. THE EFFECTS OF THIS CORONAL HOLE RELATED DISTURBANCE SHOULD
START SUBSIDING LATE ON DAY ONE. EXPECT MOSTLY QUIET TO UNSETTLED
CONDITIONS DURING DAYS TWO AND THREE. MATERIAL FROM YESTERDAY'S
IMPRESSIVE X1/3B CORONAL MASS EJECTION ALL APPEARED TO BE EASTWARD
BOUND FROM ITS SOURCE NEAR THE NE LIMB AND WILL LIKELY NOT EFFECT
EARTH.
III. Probabilité d'éruption solaire du 07 FEB au 09 FEB
| Classe M | 40% | 40% | 35% |
| Classe X | 15% | 15% | 10% |
| Proton | 05% | 05% | 01% |
| PCAF | GREEN | ||
IV. Flux Penticton 10.7 cm
Observé 06 FEB 178 Prévisionnel 07 FEB-09 FEB 180/185/190 Moyenne des 90 derniers jours 06 FEB 173
V. Indice géomagnetique A
OBSERVED AFR/AP 05 FEB 010/009 ESTIMATED AFR/AP 06 FEB 017/025 PREDICTED AFR/AP 07 FEB-09 FEB 015/015-010/010-008/010
VI. Probabilités d'activité géomagnétique du 07 FEB au 09 FEB
| A. Latitudes moyennes | |||
|---|---|---|---|
| Actif | 40% | 40% | 30% |
| Tempête mineure | 25% | 25% | 20% |
| Tempête majeure/sévère | 05% | 05% | 05% |
| B. Hautes latitudes | |||
|---|---|---|---|
| Actif | 50% | 50% | 40% |
| Tempête mineure | 30% | 30% | 20% |
| Tempête majeure/sévère | 10% | 10% | 05% |
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