Affichage des archives de samedi, 10 septembre 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 Sep 10 2204 UTCFait par le NOAA © SWPC et adapté par SpaceWeatherLive.com
Rapport de l'USAF/NOAA sur l'activité solaire et géophysique
SDF numéro 253 publié à 2200Z le 10 Sep 2005IA. Analyse des régions solaires actives et activité du 09-2100Z au 10-2100Z Solar activity was at high levels. Region 808 (S09E44)
produced an impulsive X1 major flare at 10/1643Z with an associated
Tenflare of 600 sfu. Further significant activity included an M4/1n
at 10/1936Z, an M3/1f at 10/0614Z, and an M1 at 10/0907Z. This
region continues to exhibit an extremely complex and compact spot
group with 1400 millionths of area visible in white light. Magnetic
analysis continues to depict a very strong beta-gamma-delta
configuration in the dominant central penumbral spot. Region 809
(N10E34) was quiescent during the period. No new regions were
numbered today.
IB. Prévisions d'activité solaire
Solar activity is expected to be at
high levels. Region 808 is expected to continue to produce major
flares.
IIA. Résumé de l'activité géophysique du 09-2100Z au 10-2100Z
The geomagnetic field ranged from quiet to minor storm levels.
Southward Bz and continued transient flow are responsible for the
elevated conditions. The greater than 10 MeV proton event that
began on 08/0215Z reached a peak flux of 1040 pfu at 10/1105Z. The
greater than 100 MeV proton event that began at 08/0405Z reached a
peak flux of 7 pfu at 09/1920Z.
IIB. Prévision de l'activité géophysique
The geomagnetic field is
expected to be at unsettled to minor storm levels. Isolated major
storm conditions may be possible on 11 September due to the full
halo CME observed on 09 September, which was related to the X6/2b
major flare. Isolated minor storm conditions are expected to
continue on 12-13 September due to ongoing transient flow and a
recurrent coronal hole. The greater than 10 MeV proton event is
expected to continue through the next three days. The greater than
100 MeV proton event is expected to end late on 11 September.
Further major flare activity could prolong the proton events.
III. Probabilité d'éruption solaire du 11 Sep au 13 Sep
| Classe M | 90% | 90% | 90% |
| Classe X | 75% | 75% | 75% |
| Proton | 99% | 99% | 99% |
| PCAF | in progress | ||
IV. Flux Penticton 10.7 cm
Observé 10 Sep 100 Prévisionnel 11 Sep-13 Sep 100/105/105 Moyenne des 90 derniers jours 10 Sep 091
V. Indice géomagnetique A
Observé Afr/Ap 09 Sep 012/017 Estimé Afr/Ap 10 Sep 016/020 Prévisionnel Afr/Ap 11 Sep-13 Sep 020/030-015/020-015/020
VI. Probabilités d'activité géomagnétique du 11 Sep au 13 Sep
| A. Latitudes moyennes | |||
|---|---|---|---|
| Actif | 40% | 35% | 35% |
| Tempête mineure | 25% | 15% | 15% |
| Tempête majeure/sévère | 15% | 10% | 10% |
| B. Hautes latitudes | |||
|---|---|---|---|
| Actif | 45% | 40% | 40% |
| Tempête mineure | 30% | 25% | 25% |
| Tempête majeure/sévère | 20% | 15% | 15% |
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