Affichage des archives de vendredi, 22 novembre 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 Nov 22 2200 UTCFait par le NOAA © SWPC et adapté par SpaceWeatherLive.com
Rapport de l'USAF/NOAA sur l'activité solaire et géophysique
SDF numéro 326 publié à 2200Z le 22 Nov 2002IA. Analyse des régions solaires actives et activité du 21-2100Z au 22-2100Z Solar activity was at low levels. Region 198 (S18W12)
produced the largest flare of the period, a C3.4/Sf flare occurring
at 22/1542 UTC. Region has shown decay this period as penumbral
coverage has decreased and gamma portion of the magnetic field has
become less discernable, although it is still intact. Region 201
(S16W22) showed some growth today adding several umbra to group's
total spot count. No new spot groups were numbered today.
IB. Prévisions d'activité solaire
Solar activity is expected to be at
low levels. Region 198 has the potential to produce M-class flare
activity.
IIA. Résumé de l'activité géophysique du 21-2100Z au 22-2100Z
The geomagnetic field was at unsettled to minor storm levels. The
transequatorial coronal hole in the western solar hemisphere
continues to elevate the high speed solar wind (today's approximate
average speed of 625 km/s). The greater than 2 MeV electron flux at
geosychronous orbit reached high levels today.
IIB. Prévision de l'activité géophysique
The geomagnetic field is
expected to be at quiet to active levels. Isolated minor storm
conditions (mostly at high latitudes) are possible through day one
as the magnetosphere continues to be under the influence of the high
speed solar wind. Days two and three should return to quiet to
unsettled conditions as the high speed stream wanes. The greater
the 2 MeV electron flux at GOES should reach daily moderate to high
levels throughout the forecast period.
III. Probabilité d'éruption solaire du 23 Nov au 25 Nov
| Classe M | 40% | 40% | 40% |
| Classe X | 05% | 05% | 05% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Flux Penticton 10.7 cm
Observé 22 Nov 149 Prévisionnel 23 Nov-25 Nov 150/155/165 Moyenne des 90 derniers jours 22 Nov 173
V. Indice géomagnetique A
Observé Afr/Ap 21 Nov 022/050 Estimé Afr/Ap 22 Nov 020/025 Prévisionnel Afr/Ap 23 Nov-25 Nov 015/015-010/010-010/010
VI. Probabilités d'activité géomagnétique du 23 Nov au 25 Nov
| A. Latitudes moyennes | |||
|---|---|---|---|
| Actif | 30% | 20% | 20% |
| Tempête mineure | 10% | 05% | 05% |
| Tempête majeure/sévère | 05% | 01% | 01% |
| B. Hautes latitudes | |||
|---|---|---|---|
| Actif | 35% | 20% | 20% |
| Tempête mineure | 15% | 10% | 10% |
| Tempête majeure/sévère | 05% | 01% | 01% |
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