Affichage des archives de dimanche, 9 janvier 2005
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 2005 Jan 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 009 publié à 2200Z le 09 Jan 2005IA. Analyse des régions solaires actives et activité du 08-2100Z au 09-2100Z Solar activity has been moderate. Region 719 (S09E65)
produced an M2.4 at 0854Z on 09 Jan which was accompanied by Type II
radio emissions indicating a CME. Though it is reported as a small
region, it continues to produce several plage fluctuations and point
brightenings. Flare potential for this region remains fair. Region
718 (S06E54) continues to shrink, loosing another sunspot over
yesterday with no other significant activity noted.
IB. Prévisions d'activité solaire
Solar activity is expected to be low.
There does, however exist the slight chance that Region 719 will
produce an isolated M-class flare.
IIA. Résumé de l'activité géophysique du 08-2100Z au 09-2100Z
The geomagnetic field has been at quiet to unsettled levels. The
solar wind transient activity of the previous few days has subsided,
with solar wind speeds returning to a nominal 450 km/s. The
geomagnetic field did incur a 12 nT sudden impulse on 09 Jan at
1042Z, but it was of insufficient strength and duration to cause a
storm-level response.
IIB. Prévision de l'activité géophysique
The geomagnetic field is
expected to be at quiet to unsettled levels from 10 through 12 Jan.
There is a possibility for an isolated period of active or minor
storming levels on 12 Jan due to the grazing impact of a coronal
hole induced high speed solar wind stream. The CME activity
generated by the M-class activity of 09 Jan is strongly directed
away from Earth, and is unlikely to generate elevated activity
levels.
III. Probabilité d'éruption solaire du 10 Jan au 12 Jan
| Classe M | 15% | 15% | 15% |
| Classe X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Flux Penticton 10.7 cm
Observé 09 Jan 088 Prévisionnel 10 Jan-12 Jan 090/085/090 Moyenne des 90 derniers jours 09 Jan 105
V. Indice géomagnetique A
Observé Afr/Ap 08 Jan 020/030 Estimé Afr/Ap 09 Jan 005/010 Prévisionnel Afr/Ap 10 Jan-12 Jan 005/008-005/008-010/015
VI. Probabilités d'activité géomagnétique du 10 Jan au 12 Jan
| A. Latitudes moyennes | |||
|---|---|---|---|
| Actif | 15% | 15% | 20% |
| Tempête mineure | 10% | 10% | 10% |
| Tempête majeure/sévère | 01% | 01% | 01% |
| B. Hautes latitudes | |||
|---|---|---|---|
| Actif | 20% | 20% | 25% |
| Tempête mineure | 10% | 10% | 15% |
| Tempête majeure/sévère | 01% | 01% | 05% |
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