Affichage des archives de jeudi, 8 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 08 2204 UTCFait par le NOAA © SWPC et adapté par SpaceWeatherLive.com
Rapport de l'USAF/NOAA sur l'activité solaire et géophysique
SDF numéro 251 publié à 2200Z le 08 Sep 2005IA. Analyse des régions solaires actives et activité du 07-2100Z au 08-2100Z Solar activity remains at high levels. An X5/2b flare
was in progress from Region 808 (S09E67) at the time of this
writing. Moderate centimetric radio bursts are also in progress,
including a 990 sfu Tenflare. Very active Region 808 is rotating
into view as a large and complex sunspot cluster. Limb proximity is
still hindering the analysis, but this compact spot group will
likely exceed 1000 millionths of white light area. Numerous C-class
flares and two M2 flares preceded the X5 event. New Region 809
(N10E60) was numbered today.
IB. Prévisions d'activité solaire
Solar activity is expected to remain
at high levels. Region 808 is a large and complex sunspot group
capable of producing M and X-class flares.
IIA. Résumé de l'activité géophysique du 07-2100Z au 08-2100Z
The geomagnetic field was quiet to unsettled. A sudden disturbance of
41 nT (magnetic crochet) was observed in the geomagnetic field
following today's X5 flare. A greater than 10 and greater than 100
MeV proton event occurred following yesterday's X17 flare on the
southeast limb. The greater than 10 MeV proton event began at
08/0215Z and remains in progress. The peak flux so far was 87 pfu at
08/1950Z. The greater than 100 MeV proton event began at 08/0405Z
and also remains in progress. The peak flux was 7 pfu at 08/1925Z.
A greater than 100 MeV proton event from a source on the east
limb is extremely rare. The greater than 2 MeV electron flux at
geosynchronous orbit was at high levels again today.
IIB. Prévision de l'activité géophysique
The geomagnetic field is
expected to range from quiet to minor storm levels. The CME
associated with yesterday's X17 flare was very large and very fast.
Although the magnetic cloud associated with this CME is not expected
to impact Earth, a shock passage is expected, which will likely
produce active to minor storm periods on 09 Sep. Isolated active
periods are expected on 10 and 11 Sep. The greater than 10 MeV
proton event currently in progress is expected to continue through
10 Sep. A further enhancement in the greater than 10 MeV protons
will likely follow the anticipated shock passage on 09 Sep. Today's
X5 flare may enhance the existing proton event. The greater than 100
MeV proton event will persist through 09 Sep.
III. Probabilité d'éruption solaire du 09 Sep au 11 Sep
| Classe M | 80% | 80% | 80% |
| Classe X | 50% | 50% | 50% |
| Proton | 99% | 90% | 75% |
| PCAF | in progress | ||
IV. Flux Penticton 10.7 cm
Observé 08 Sep 094 Prévisionnel 09 Sep-11 Sep 100/110/110 Moyenne des 90 derniers jours 08 Sep 091
V. Indice géomagnetique A
Observé Afr/Ap 07 Sep 018/015 Estimé Afr/Ap 08 Sep 008/012 Prévisionnel Afr/Ap 09 Sep-11 Sep 020/025-015/020-008/010
VI. Probabilités d'activité géomagnétique du 09 Sep au 11 Sep
| A. Latitudes moyennes | |||
|---|---|---|---|
| Actif | 40% | 30% | 25% |
| Tempête mineure | 20% | 15% | 10% |
| Tempête majeure/sévère | 10% | 05% | 01% |
| B. Hautes latitudes | |||
|---|---|---|---|
| Actif | 50% | 40% | 30% |
| Tempête mineure | 30% | 20% | 15% |
| Tempête majeure/sévère | 15% | 10% | 05% |
Dernières nouvelles
lundi, 22 avril 2024
Lot's of sunspots! Big chance for major flare activity?
samedi, 23 mars 2024
X1.1 solar flare with earth-directed CME
mercredi, 20 mars 2024
Sunspot region 3615, G1 watch
Forum
2024/05/03 X1.69 CME 4AR3663 25Unproven theories 380Unspecified geomagnetic activity 1006Filaments and prominences 69
Plus de messages du forumAidez SpaceWeatherLive.com !
Vous êtes de plus en plus nombreux à consulter SpaceWeatherLive pour suivre l'activité solaire ou aurorale, et avec le traffic les coûts du serveur augmentent. Si vous appréciez SpaceWeatherLive, soutenez notre projet en faisant un don afin que nous puissions continuer à vous informer !
La Météo Spatiale en faits
| Dernière classe X | 03/05/2024 | X1.6 |
| Dernière classe M | 03/05/2024 | M4.4 |
| Dernier orage géomagnétique | 02/05/2024 | Kp7- (G3) |
| Jours sans taches solaires | |
|---|---|
| Dernier jour sans taches solaires | 08/06/2022 |
| Nombre mensuel moyen de taches solaires | |
|---|---|
| avril 2024 | 136.5 +31.6 |
| Last 30 days | 149.4 +51.8 |