Affichage des archives de lundi, 4 septembre 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 Sep 04 2200 UTCFait par le NOAA © SWPC et adapté par SpaceWeatherLive.com
Rapport de l'USAF/NOAA sur l'activité solaire et géophysique
SDF numéro 248 publié à 2200Z le 04 SEP 2000IA. Analyse des régions solaires actives et activité du 03-2100Z au 04-2100Z SOLAR ACTIVITY INCREASED TO MODERATE LEVELS. REGION
9154 (S19E06) SHOWED A SIGNIFICANT INCREASE IN SPOT COUNT AND AREA.
IT PRODUCED AN M1/1N FLARE AT 04/0109 UTC ALONG WITH ISOLATED
C-CLASS SUBFLARES. REGION 9149 (N14W22) SHOWED NO SIGNIFICANT
CHANGES AND PRODUCED ISOLATED C-CLASS SUBFLARES. THE REMAINING
REGIONS WERE MOSTLY SMALL AND STABLE. A 32-DEGREE FILAMENT, LAST
SEEN NEAR N13 W38, ERUPTED FROM THE DISK DURING 04/0500 - 0600 UTC.
NO NEW REGIONS WERE ASSIGNED.
IB. Prévisions d'activité solaire
SOLAR ACTIVITY IS EXPECTED TO BE AT
LOW TO MODERATE LEVELS. THERE IS A FAIR CHANCE FOR ANOTHER M-CLASS
FLARE FROM REGION 9154. THERE IS ALSO A SLIGHT CHANCE FOR AN
ISOLATED M-CLASS FLARE FROM REGION 9149.
IIA. GEOPHYSICAL ACTIVITY SUMMARY 03/2100Z TO 04/2100Z:
THE GEOMAGNETIC FIELD WAS QUIET UNTIL 04/1330 UTC. FIELD ACTIVITY
INCREASED TO QUIET TO ACTIVE LEVELS FOR THE REMAINDER OF THE PERIOD.
IIB. Prévision de l'activité géophysique
GEOMAGNETIC FIELD ACTIVITY IS
EXPECTED TO BE AT QUIET TO ACTIVE LEVELS DURING THE FIRST DAY
DECREASING TO QUIET TO UNSETTLED LEVELS ON THE SECOND DAY. UNSETTLED
TO ACTIVE LEVELS ARE EXPECTED BEGIN LATE ON THE THIRD DAY IN
RESPONSE TO TODAY'S FILAMENT DISAPPEARANCE.
III. Probabilité d'éruption solaire du 05 SEP au 07 SEP
| Classe M | 30% | 30% | 30% |
| Classe X | 05% | 05% | 05% |
| Proton | 05% | 05% | 05% |
| PCAF | GREEN | ||
IV. Flux Penticton 10.7 cm
Observé 04 SEP 171 Prévisionnel 05 SEP-07 SEP 175/175/180 Moyenne des 90 derniers jours 04 SEP 181
V. Indice géomagnetique A
OBSERVED AFR/AP 03 SEP 006/009 ESTIMATED AFR/AP 04 SEP 012/012 PREDICTED AFR/AP 05 SEP-07 SEP 010/012-010/015-020/020
VI. Probabilités d'activité géomagnétique du 05 SEP au 07 SEP
| A. Latitudes moyennes | |||
|---|---|---|---|
| Actif | 20% | 20% | 40% |
| Tempête mineure | 05% | 05% | 15% |
| Tempête majeure/sévère | 01% | 01% | 05% |
| B. Hautes latitudes | |||
|---|---|---|---|
| Actif | 25% | 25% | 45% |
| Tempête mineure | 10% | 10% | 20% |
| Tempête majeure/sévère | 05% | 05% | 10% |
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