Affichage des archives de vendredi, 3 janvier 2003
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 2003 Jan 03 2200 UTCFait par le NOAA © SWPC et adapté par SpaceWeatherLive.com
Rapport de l'USAF/NOAA sur l'activité solaire et géophysique
SDF numéro 003 publié à 2200Z le 03 Jan 2003IA. Analyse des régions solaires actives et activité du 02-2100Z au 03-2100Z Solar activity was at low levels. Several low level
C-class flares occurred today. The largest optically correlated
event was a C2.0/Sf flare that occurred at 03/1445 UTC from Region
234 (N19W60) as region underwent steady decay today. Region 242
(S08E48) produced several B and C-class flares while showing areal
growth of spot complex through the period. An eruptive prominence
on the west limb (N22W90) occurred at 03/1506 UTC producing a CME
seen on NASA/LASCO imagery that does not appear to be earth
directed. Regions 243 (S19W34), 244 (S15E58), and 245 (N12E74) were
newly assigned today.
IB. Prévisions d'activité solaire
Solar activity is expected to be at
low levels. A very slight chance of an isolated low level M-class
flare is possible from Region 242.
IIA. Résumé de l'activité géophysique du 02-2100Z au 03-2100Z
The geomagnetic field was predominantly quiet to unsettled. Isolated
active to minor storm conditions were observed between 03/1500 to
1800 UTC due to the effects of a favorably positioned coronal hole.
The greater than 2 MeV electron flux at geosynchronous orbit reached
high levels during the past 24 hours.
IIB. Prévision de l'activité géophysique
The geomagnetic field is
expected to be at predominantly unsettled to active levels on day
one of the forecast period due to high speed stream coronal hole.
Days two and three should see a return to quiet to unsettled
conditions as the geo-effective coronal hole wanes.
III. Probabilité d'éruption solaire du 04 Jan au 06 Jan
| Classe M | 20% | 20% | 20% |
| Classe X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Flux Penticton 10.7 cm
Observé 03 Jan 138 Prévisionnel 04 Jan-06 Jan 135/140/145 Moyenne des 90 derniers jours 03 Jan 164
V. Indice géomagnetique A
Observé Afr/Ap 02 Jan 005/008 Estimé Afr/Ap 03 Jan 010/015 Prévisionnel Afr/Ap 04 Jan-06 Jan 012/015-010/015-005/010
VI. Probabilités d'activité géomagnétique du 04 Jan au 06 Jan
| A. Latitudes moyennes | |||
|---|---|---|---|
| Actif | 25% | 25% | 15% |
| Tempête mineure | 10% | 05% | 01% |
| Tempête majeure/sévère | 01% | 01% | 01% |
| B. Hautes latitudes | |||
|---|---|---|---|
| Actif | 30% | 30% | 25% |
| Tempête mineure | 10% | 10% | 05% |
| Tempête majeure/sévère | 01% | 01% | 01% |
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