Affichage des archives de lundi, 14 mai 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 May 14 2200 UTCFait par le NOAA © SWPC et adapté par SpaceWeatherLive.com
Rapport de l'USAF/NOAA sur l'activité solaire et géophysique
SDF numéro 134 publié à 2200Z le 14 May 2001IA. Analyse des régions solaires actives et activité du 13-2100Z au 14-2100Z Activity decreased to low levels. Region 9455 (S17W24)
remained the most active of the visible regions. It produced
isolated C-class subflares, the largest of which was a C5/Sf at
14/0324 UTC. No significant changes occurred within this region, but
mixed polarities persisted within its intermediate spots. Some
polarity mixing was also observed in the vicinity of the leading
spots of Region 9454 (N12E18), which was relatively inactive during
the period. The remaining spot groups were unremarkable, including
newly numbered Regions 9458 (S11W45), 9459 (N26W09), and 9460
(S24E60).
IB. Prévisions d'activité solaire
Solar activity is expected to be at
low to moderate levels with a fair chance for an isolated M-class
flare from Region 9455. There will also be a slight chance for an
isolated M-class flare from Region 9454.
IIA. Résumé de l'activité géophysique du 13-2100Z au 14-2100Z
Geomagnetic field activity was at unsettled to active levels until
approximately 14/0900 UTC, then decreased to quiet to unsettled
levels for the rest of the period. The greater than 2 MeV electron
flux at geosynchronous orbit increased to high levels during the
latter half of the period.
IIB. Prévision de l'activité géophysique
Geomagnetic field activity is
expected to be at quiet to unsettled levels during most of the
period with a chance for active levels at high latitudes. The
greater than 2 MeV electron flux is expected to reach high levels
during the first half of the period.
III. Probabilité d'éruption solaire du 15 May au 17 May
| Classe M | 30% | 30% | 30% |
| Classe X | 05% | 05% | 05% |
| Proton | 05% | 05% | 05% |
| PCAF | green | ||
IV. Flux Penticton 10.7 cm
Observé 14 May 138 Prévisionnel 15 May-17 May 145/150/155 Moyenne des 90 derniers jours 14 May 167
V. Indice géomagnetique A
Observé Afr/Ap 13 May 017/023 Estimé Afr/Ap 14 May 013/015 Prévisionnel Afr/Ap 15 May-17 May 012/015-012/020-007/015
VI. Probabilités d'activité géomagnétique du 15 May au 17 May
| A. Latitudes moyennes | |||
|---|---|---|---|
| Actif | 25% | 20% | 15% |
| Tempête mineure | 05% | 05% | 05% |
| Tempête majeure/sévère | 01% | 01% | 01% |
| B. Hautes latitudes | |||
|---|---|---|---|
| Actif | 30% | 30% | 20% |
| Tempête mineure | 10% | 10% | 05% |
| Tempête majeure/sévère | 05% | 01% | 01% |
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