Affichage des archives de mercredi, 9 novembre 2011
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 2011 Nov 09 2200 UTCFait par le NOAA © SWPC et adapté par SpaceWeatherLive.com
Rapport de l'USAF/NOAA sur l'activité solaire et géophysique
SDF numéro 313 publié à 2200Z le 09 Nov 2011IA. Analyse des régions solaires actives et activité du 08-2100Z au 09-2100Z Solar activity has been at moderate levels for the past
24 hours. A long duration M1 flare was observed at 09/1335Z.
Associated with this event were a Type II radio sweep with an
estimated shock velocity of 750 km/s and a eruptive filament channel
with a possible Earth directed CME. This filament channel was
located between Region 1342 (N17E22) and Region 1343 (N27E37) in the
Northeast quadrant of the visible disk. Imagery is still coming in
at the time of this report, but STEREO B and SDO/AIA imagery do
indicate a CME liftoff. Region 1339 (N21W19) has some simpliciation
in its magnetic structure but still remains classified as a
beta-gamma. New Region 1345 (S24W01) was numbered today.
IB. Prévisions d'activité solaire
Solar activity is expected to be at
low to moderate levels for the next three days (10-12 November).
IIA. Résumé de l'activité géophysique du 08-2100Z au 09-2100Z
The geomagnetic field has been at quiet levels for the past 24 hours.
IIB. Prévision de l'activité géophysique
The geomagnetic field is
expected to be at quiet levels on day 1 (10 November). An increase
to quiet to unsettled levels is expected on day 2 (11 November) as
the effects of a CME, from 08 November, are forecast. An increase to
unsettled to active conditions on day 3 (12 November) is expected,
as the CME, associated with todays M1 flare, is expected to become
geoeffective.
III. Probabilité d'éruption solaire du 10 Nov au 12 Nov
| Classe M | 70% | 70% | 70% |
| Classe X | 10% | 10% | 10% |
| Proton | 10% | 10% | 10% |
| PCAF | Green | ||
IV. Flux Penticton 10.7 cm
Observé 09 Nov 180 Prévisionnel 10 Nov-12 Nov 180/180/175 Moyenne des 90 derniers jours 09 Nov 131
V. Indice géomagnetique A
Observé Afr/Ap 08 Nov 006/006 Estimé Afr/Ap 09 Nov 002/003 Prévisionnel Afr/Ap 10 Nov-12 Nov 005/005-010/010-015/018
VI. Probabilités d'activité géomagnétique du 10 Nov au 12 Nov
| A. Latitudes moyennes | |||
|---|---|---|---|
| Actif | 05% | 25% | 30% |
| Tempête mineure | 01% | 05% | 15% |
| Tempête majeure/sévère | 01% | 01% | 01% |
| B. Hautes latitudes | |||
|---|---|---|---|
| Actif | 05% | 20% | 35% |
| Tempête mineure | 01% | 10% | 15% |
| Tempête majeure/sévère | 01% | 05% | 05% |
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