Affichage des archives de vendredi, 24 juin 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 Jun 24 2210 UTC# Prepared jointly by the U.S. Dept. of Commerce, NOAA, #Space Environment Center and the U.S. Air Force. #
Rapport de l'USAF/NOAA sur l'activité solaire et géophysique
SDF numéro 175 publié à 2200Z le 24 Jun 2005IA. Analyse des régions solaires actives et activité du 23-2100Z au 24-2100Z Solar activity was at very low levels. Flare activity
was limited to minor B-class x-ray events seen on the solar west
limb near S19. The source region for this activity is believed to
be from old Region 779 (S19 L=332). Region 780 (S08W30) underwent
continued decay and the region has become a simple BXO beta group.
No new regions were numbered today.
IB. Prévisions d'activité solaire
Solar activity is expected to remain
at very low levels.
IIA. Résumé de l'activité géophysique du 23-2100Z au 24-2100Z
The geomagnetic field was at quiet to minor storm levels. The storm
conditions are due to a recurrent coronal hole. The associated
solar wind speeds have been elevated to near 500 km/sec throughout
most of the period.
IIB. Prévision de l'activité géophysique
The geomagnetic field is
expected to be at predominantly unsettled to active levels. There
may be a slight chance of isolated minor storming conditions though
25 June due to the geoeffective coronal hole. Unsettled levels with
isolated active conditions are expected on 26 June as the coronal
hole wanes. Quiet to unsettled levels should return by 27 June.
III. Probabilité d'éruption solaire du 25 Jun au 27 Jun
| Classe M | 01% | 05% | 05% |
| Classe X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Flux Penticton 10.7 cm
Observé 24 Jun 077 Prévisionnel 25 Jun-27 Jun 080/080/080 Moyenne des 90 derniers jours 24 Jun 093
V. Indice géomagnetique A
Observé Afr/Ap 23 Jun 030/048 Estimé Afr/Ap 24 Jun 015/020 Prévisionnel Afr/Ap 25 Jun-27 Jun 015/020-012/015-010/012
VI. Probabilités d'activité géomagnétique du 25 Jun au 27 Jun
| A. Latitudes moyennes | |||
|---|---|---|---|
| Actif | 35% | 25% | 20% |
| Tempête mineure | 15% | 10% | 05% |
| Tempête majeure/sévère | 10% | 05% | 01% |
| B. Hautes latitudes | |||
|---|---|---|---|
| Actif | 45% | 35% | 25% |
| Tempête mineure | 15% | 15% | 10% |
| Tempête majeure/sévère | 10% | 05% | 05% |
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