Affichage des archives de mercredi, 11 septembre 2002
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 2002 Sep 11 2200 UTCFait par le NOAA © SWPC et adapté par SpaceWeatherLive.com
Rapport de l'USAF/NOAA sur l'activité solaire et géophysique
SDF numéro 254 publié à 2200Z le 11 Sep 2002IA. Analyse des régions solaires actives et activité du 10-2100Z au 11-2100Z Solar activity has been moderate. Region 105 (S09E28)
produced the largest event of the period, an M2/2b flare at 11/0735
UTC with an associated tenflare (230 sfu). Region 107 (N11E30) was
a source of several C-class flares during the period, and Region 100
(S19W64) also produced a C-class flare. Region 103 (N14W33) has
remained quiescent, but appears somewhat more compact today and
retains moderate magnetic complexity.
IB. Prévisions d'activité solaire
Solar activity is expected to be at
moderate levels for the next three days. Region 105 is a likely
source of further M-class activity. Regions 103 and 107 may become
more active during the period and could produce M-class flares as
well.
IIA. Résumé de l'activité géophysique du 10-2100Z au 11-2100Z
Geomagnetic field conditions have ranged from quiet to major storm
levels. Onset of coronal hole high speed stream effects have been
evident since about 11/0900 UTC, and the single period of major
storm conditions observed at higher latitudes occurred shortly
thereafter. The remainder of the day had conditions in the
unsettled to minor storm range.
IIB. Prévision de l'activité géophysique
The geomagnetic field is
expected to be mainly unsettled to active for the next 24-48 hours.
Isolated minor storm conditions may also occur, especially at higher
latitudes. Conditions are expected to be in the quiet to unsettled
range by the end of the forecast period.
III. Probabilité d'éruption solaire du 12 Sep au 14 Sep
| Classe M | 65% | 65% | 65% |
| Classe X | 10% | 10% | 10% |
| Proton | 05% | 05% | 05% |
| PCAF | green | ||
IV. Flux Penticton 10.7 cm
Observé 11 Sep 216 Prévisionnel 12 Sep-14 Sep 220/220/225 Moyenne des 90 derniers jours 11 Sep 173
V. Indice géomagnetique A
Observé Afr/Ap 10 Sep 014/024 Estimé Afr/Ap 11 Sep 020/025 Prévisionnel Afr/Ap 12 Sep-14 Sep 018/018-015/018-012/015
VI. Probabilités d'activité géomagnétique du 12 Sep au 14 Sep
| A. Latitudes moyennes | |||
|---|---|---|---|
| Actif | 35% | 30% | 25% |
| Tempête mineure | 10% | 10% | 05% |
| Tempête majeure/sévère | 05% | 01% | 01% |
| B. Hautes latitudes | |||
|---|---|---|---|
| Actif | 35% | 35% | 30% |
| Tempête mineure | 15% | 15% | 10% |
| Tempête majeure/sévère | 05% | 05% | 01% |
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