Affichage des archives de mercredi, 24 janvier 2001
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 2001 Jan 24 2200 UTCFait par le NOAA © SWPC et adapté par SpaceWeatherLive.com
Rapport de l'USAF/NOAA sur l'activité solaire et géophysique
SDF numéro 024 publié à 2200Z le 24 Jan 2001IA. Analyse des régions solaires actives et activité du 23-2100Z au 24-2100Z Solar activity has been moderate during the past 24
hours. An increase in flare production and x-ray background began
yesterday around 1800Z, leading to frequent C-class flares and one
M-class flare during the past 24 hours. Today's largest event was an
M1/2f at 1447Z from Region 9311 (N06W76). Most of the new activity
was from Region 9311 although Region 9313 (S07W12) and Region 9321
(S06E31) also contributed to some of the activity. Regions 9313 and
9321 appear to be growing slowly.
IB. Prévisions d'activité solaire
Solar activity is expected to be
moderate tomorrow, with a fair-to-good chance for another M-class
event from Region 9311. A decrease in activity and background
levels is anticipated on the second and third days, however,
with the departure of Region 9311 from the solar disk.
IIA. Résumé de l'activité géophysique du 23-2100Z au 24-2100Z
The geomagnetic field was mostly unsettled to active during the past
24 hours. There was a minor storm period at high latitudes from
1200-1500Z. Solar wind signatures showed characteristics of swept up
flow, and perhaps a portion of transient flow, but there was no
indication of passing through the main part of the driver. Greater
than 10 MeV protons remained enhanced but were beginning to decline
near day's end.
IIB. Prévision de l'activité géophysique
The geomagnetic field is
expected to be unsettled to slightly active during the next 12-24
hours. A decrease to mostly unsettled is expected for the second and
third days.
III. Probabilité d'éruption solaire du 25 Jan au 27 Jan
| Classe M | 60% | 40% | 20% |
| Classe X | 10% | 05% | 05% |
| Proton | 15% | 10% | 05% |
| PCAF | green | ||
IV. Flux Penticton 10.7 cm
Observé 24 Jan Prévisionnel 25 Jan-27 Jan 175/170/165 Moyenne des 90 derniers jours 24 Jan 174
V. Indice géomagnetique A
Observé Afr/Ap 23 Jan 007/011 Estimé Afr/Ap 24 Jan 018/020 Prévisionnel Afr/Ap 25 Jan-27 Jan 015/015-012/012-010/012
VI. Probabilités d'activité géomagnétique du 25 Jan au 27 Jan
| A. Latitudes moyennes | |||
|---|---|---|---|
| Actif | 30% | 25% | 20% |
| Tempête mineure | 20% | 15% | 10% |
| Tempête majeure/sévère | 05% | 05% | 05% |
| B. Hautes latitudes | |||
|---|---|---|---|
| Actif | 30% | 25% | 20% |
| Tempête mineure | 20% | 15% | 10% |
| Tempête majeure/sévère | 10% | 05% | 05% |
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