Affichage des archives de mercredi, 2 juillet 2003
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 2003 Jul 02 2200 UTCFait par le NOAA © SWPC et adapté par SpaceWeatherLive.com
Rapport de l'USAF/NOAA sur l'activité solaire et géophysique
SDF numéro 183 publié à 2200Z le 02 Jul 2003IA. Analyse des régions solaires actives et activité du 01-2100Z au 02-2100Z Solar activity was moderate. Region 397 (N10E13)
produced an M3/1f at 0728 UTC. The group has shown some decay of the
spots in the middle portion of the group and loss of the delta
configuration, but there has been some growth in the trailer spots.
The magnetic classification for the group is now beta-gamma,
reflecting its multiple inversion line structure. Region 400
(N04E58) has rotated more fully into view as a small, D-type region
and managed to produced a C1/Sf.
IB. Prévisions d'activité solaire
Solar activity is expected to be
mostly low, but there continues to be a fair chance for an isolated
M-class event during the next three days from Region 397.
IIA. Résumé de l'activité géophysique du 01-2100Z au 02-2100Z
The geomagnetic field was mostly unsettled during the past 24 hours.
Solar wind conditions were nominal until about 1800 UTC when an
increase was observed in speed and temperature and a decrease was
observed in density. This might indicate the onset of the
anticipated high speed solar wind stream. The greater than 2 MeV
electron fluxes were at high levels during the past 24 hours.
IIB. Prévision de l'activité géophysique
The geomagnetic field is
expected to be unsettled to active for the next 24 hours, and mostly
active for the second and third days. The increase is expected as a
result of a high speed wind stream associated with a favorably
positioned coronal hole. There is a possibility for isolated storm
periods, particularly at the higher latitudes.
III. Probabilité d'éruption solaire du 03 Jul au 05 Jul
| Classe M | 40% | 40% | 40% |
| Classe X | 05% | 05% | 05% |
| Proton | 05% | 05% | 05% |
| PCAF | green | ||
IV. Flux Penticton 10.7 cm
Observé 02 Jul 135 Prévisionnel 03 Jul-05 Jul 140/145/150 Moyenne des 90 derniers jours 02 Jul 123
V. Indice géomagnetique A
Observé Afr/Ap 01 Jul 014/013 Estimé Afr/Ap 02 Jul 012/014 Prévisionnel Afr/Ap 03 Jul-05 Jul 015/020-020/025-020/025
VI. Probabilités d'activité géomagnétique du 03 Jul au 05 Jul
| A. Latitudes moyennes | |||
|---|---|---|---|
| Actif | 35% | 40% | 40% |
| Tempête mineure | 20% | 25% | 25% |
| Tempête majeure/sévère | 10% | 10% | 10% |
| B. Hautes latitudes | |||
|---|---|---|---|
| Actif | 30% | 30% | 30% |
| Tempête mineure | 25% | 30% | 30% |
| Tempête majeure/sévère | 10% | 15% | 15% |
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