Affichage des archives de lundi, 22 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 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 022 publié à 2200Z le 22 Jan 2001IA. Analyse des régions solaires actives et activité du 21-2100Z au 22-2100Z Solar activity has been moderate due to an M1/Sf flare
at 21/2312Z from region 9311 (N05W48). This group has shown slow
growth during the past 24 hours and produced a few additional
subflares. Region 9313 (S07E15) continues to be the largest region
on the disk and shows some magnetic complexity, but could only
muster one C-class subflare during the past 24 hours.
IB. Prévisions d'activité solaire
Solar activity is expected to be low
to moderate during the next three days. Regions 9313 and 9311 appear
to have the best potential for producing an isolated M-class event.
IIA. Résumé de l'activité géophysique du 21-2100Z au 22-2100Z
The geomagnetic field has been mostly unsettled during the past 24
hours. An enhancement of greater than 10 MeV protons was observed at
geostationary orbit, but peak fluxes (around 3 pfu) remained below
event level. These particles are likely to have been accelerated by
the fast CME of 20 January, which was associated with an M7 x-ray
flare.
IIB. Prévision de l'activité géophysique
The geomagnetic field is
expected to be mostly active over the next two days, with a fair
chance for some isolated storm periods. The increase is anticipated
with the arrival of enhanced solar wind from the two CME events of
20 January. In addition, currently enhanced levels of medium energy
protons observed by ACE indicate the imminent arrival of an
interplanetary shock sometime during the next 12 hours. A decrease
to unsettled to slightly active is expected to occur on the third
day.
III. Probabilité d'éruption solaire du 23 Jan au 25 Jan
| Classe M | 45% | 45% | 45% |
| Classe X | 05% | 05% | 05% |
| Proton | 10% | 10% | 10% |
| PCAF | green | ||
IV. Flux Penticton 10.7 cm
Observé 22 Jan 162 Prévisionnel 23 Jan-25 Jan 165/165/165 Moyenne des 90 derniers jours 22 Jan 174
V. Indice géomagnetique A
Observé Afr/Ap 21 Jan 012/018 Estimé Afr/Ap 22 Jan 012/012 Prévisionnel Afr/Ap 23 Jan-25 Jan 025/025-025/025-012/015
VI. Probabilités d'activité géomagnétique du 23 Jan au 25 Jan
| A. Latitudes moyennes | |||
|---|---|---|---|
| Actif | 45% | 45% | 25% |
| Tempête mineure | 30% | 30% | 15% |
| Tempête majeure/sévère | 15% | 15% | 05% |
| B. Hautes latitudes | |||
|---|---|---|---|
| Actif | 30% | 30% | 25% |
| Tempête mineure | 35% | 35% | 15% |
| Tempête majeure/sévère | 20% | 20% | 15% |
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