Affichage des archives de jeudi, 14 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 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 318 publié à 2200Z le 14 Nov 2002IA. Analyse des régions solaires actives et activité du 13-2100Z au 14-2100Z Solar activity was moderate. The largest event was a
long duration M1.0 x-ray flare, observed early in the period at
14/0017 UTC, accompanied by an extended parallel ribbon enhancement
visible in H-alpha imagery in the central and southeast portion of
Region 191 (S18W01). A partial halo CME was evident in LASCO
imagery following the flare, but did not appear to be
earth-directed. Region 191 appears to have developed a weak delta
configuration among its intermediate spots in the last 24 hours.
Region 192 (N13W34) exhibited moderate growth today and produced a
C-class flare late in the period. Region 195 (S16E65) produced
several C-class events, the largest being a C8/1n at 14/1345 UTC.
Two new regions were numbered today: 196 (S19W46) and 197 (N25E73).
IB. Prévisions d'activité solaire
Solar activity is expected to be
moderate, with a slight chance for a major flare during the next
three days. Regions 191 and 192 are potential sources of
significant flare activity. In addition, Region 197 appears bright
in EIT imagery and is expected to rotate into full view as a large
region with good flare potential.
IIA. Résumé de l'activité géophysique du 13-2100Z au 14-2100Z
The geomagnetic field was at quiet to unsettled levels throughout the
period.
IIB. Prévision de l'activité géophysique
The geomagnetic field is
expected to become more active over the course of the forecast
period with isolated minor storm periods possible, due to the
anticipated influence of a coronal hole rotating into geoeffective
heliographic longitudes.
III. Probabilité d'éruption solaire du 15 Nov au 17 Nov
| Classe M | 75% | 75% | 75% |
| Classe X | 10% | 10% | 10% |
| Proton | 05% | 05% | 05% |
| PCAF | green | ||
IV. Flux Penticton 10.7 cm
Observé 14 Nov 184 Prévisionnel 15 Nov-17 Nov 185/185/185 Moyenne des 90 derniers jours 14 Nov 177
V. Indice géomagnetique A
Observé Afr/Ap 13 Nov 016/012 Estimé Afr/Ap 14 Nov 010/010 Prévisionnel Afr/Ap 15 Nov-17 Nov 015/020-020/030-018/025
VI. Probabilités d'activité géomagnétique du 15 Nov au 17 Nov
| A. Latitudes moyennes | |||
|---|---|---|---|
| Actif | 30% | 40% | 35% |
| Tempête mineure | 10% | 15% | 10% |
| Tempête majeure/sévère | 01% | 01% | 01% |
| B. Hautes latitudes | |||
|---|---|---|---|
| Actif | 35% | 45% | 30% |
| Tempête mineure | 10% | 15% | 15% |
| Tempête majeure/sévère | 05% | 05% | 05% |
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