Affichage des archives de jeudi, 10 janvier 2002
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 2002 Jan 10 2200 UTCFait par le NOAA © SWPC et adapté par SpaceWeatherLive.com
Rapport de l'USAF/NOAA sur l'activité solaire et géophysique
SDF numéro 010 publié à 2200Z le 10 Jan 2002IA. Analyse des régions solaires actives et activité du 09-2100Z au 10-2100Z Solar activity was low. Region 9773 (N14W17) belied its
ominous appearance in white light and h-alpha by producing just
C-class events in the past 24 hours. A C7/Sf at 1018 UTC was the
largest event, although the x-ray background from GOES was enhanced
throughout the day. The region measures more than 500 millionths in
white light, and retains a significant degree of magnetic
complexity. Elsewhere, Region 9778 (S17E45) grew in most parameters
and produced occasional subflares.
IB. Prévisions d'activité solaire
Solar activity is expected to be
moderate. Region 9773 is capable of M class activity.
IIA. Résumé de l'activité géophysique du 09-2100Z au 10-2100Z
The geomagnetic field varied from quiet to minor storm levels. A high
speed solar wind stream began to impact the magnetosphere early in
the period, with solar wind speeds increasing from 350 km/s to more
than 600 km/s. In addition, there have been intervals where the
interplanetary magnetic field has been near 20 nT southward, further
fueling the disturbance. An enhancement in the greater than 10 MeV
protons at GOES began around 0700 UTC. The flux attained event level
(10 pfu at greater than 10 MeV) at 2045 UTC. This increase may be
associated with east limb activity that occurred late on January 8.
IIB. Prévision de l'activité géophysique
The geomagnetic field is
expected to be at active to minor storm levels. The current
disturbance should persist for the next 24-48 hours. The greater
than 10 MeV proton event is likely to slowly decay.
III. Probabilité d'éruption solaire du 11 Jan au 13 Jan
| Classe M | 75% | 75% | 75% |
| Classe X | 25% | 25% | 25% |
| Proton | 75% | 50% | 25% |
| PCAF | yellow | ||
IV. Flux Penticton 10.7 cm
Observé 10 Jan 225 Prévisionnel 11 Jan-13 Jan 230/235/240 Moyenne des 90 derniers jours 10 Jan 223
V. Indice géomagnetique A
Observé Afr/Ap 09 Jan 002/003 Estimé Afr/Ap 10 Jan 015/023 Prévisionnel Afr/Ap 11 Jan-13 Jan 020/030-015/020-015/015
VI. Probabilités d'activité géomagnétique du 11 Jan au 13 Jan
| A. Latitudes moyennes | |||
|---|---|---|---|
| Actif | 50% | 50% | 50% |
| Tempête mineure | 30% | 30% | 30% |
| Tempête majeure/sévère | 10% | 10% | 10% |
| B. Hautes latitudes | |||
|---|---|---|---|
| Actif | 30% | 40% | 40% |
| Tempête mineure | 50% | 40% | 40% |
| Tempête majeure/sévère | 10% | 10% | 05% |
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