Affichage des archives de jeudi, 23 mai 2013
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 2013 May 23 2200 UTCFait par le NOAA © SWPC et adapté par SpaceWeatherLive.com
Rapport de l'USAF/NOAA sur l'activité solaire et géophysique
SDF numéro 143 publié à 2200Z le 23 May 2013IA. Analyse des régions solaires actives et activité du 22-2100Z au 23-2100Z Solar activity has been at low levels for the past 24 hours.
The largest solar event of the period was a C3 event observed at
23/1450Z from Region 1756 (S20E27). There are currently 7 numbered
sunspot regions on the disk.
IB. Prévisions d'activité solaire
Solar activity is expected to be low with
a chance for M-class flares and a slight chance for an X-class flare on
days one, two, and three (24 May, 25 May, 26 May).
IIA. Résumé de l'activité géophysique du 22-2100Z au 23-2100Z
The geomagnetic
field has been at quiet to unsettled levels for the past 24 hours. Solar
wind speed, as measured by the ACE spacecraft, reached a peak speed of
475 km/s at 23/1933Z, however ACE/SWEPAM data became suspect due to
proton contamination from the 22 May M5 flare. Total IMF reached 8 nT at
23/1656Z. The maximum southward component of Bz reached -4 nT at
23/0949Z. Protons greater than 10 MeV at geosynchronous orbit reached a
peak level of 1660 pfu at 23/0650Z. Protons greater than 100 MeV at
geosynchronous orbit reached a peak level of 2 pfu at 22/2105Z and the
event ended at 23/0745Z. Electrons greater than 2 MeV at geosynchronous
orbit were also suspect due to proton contamination.
IIB. Prévision de l'activité géophysique
The geomagnetic field is expected
to be at quiet to minor storm levels on day one (24 May), quiet to
active levels on day two (25 May) and quiet to unsettled levels on day
three (26 May). Protons are expected to remain above threshold on day
one (24 May), are likely to cross threshold on day two (25 May) and have
a chance of crossing threshold on day three (26 May).
III. Probabilité d'éruption solaire du 24 May au 26 May
| Classe M | 45% | 45% | 45% |
| Classe X | 15% | 15% | 15% |
| Proton | 99% | 70% | 30% |
| PCAF | red | ||
IV. Flux Penticton 10.7 cm
Observé 23 May 135 Prévisionnel 24 May-26 May 135/135/130 Moyenne des 90 derniers jours 23 May 122
V. Indice géomagnetique A
Observé Afr/Ap 22 May 010/012 Estimé Afr/Ap 23 May 008/008 Prévisionnel Afr/Ap 24 May-26 May 011/015-014/020-008/012
VI. Probabilités d'activité géomagnétique du 24 May au 26 May
| A. Latitudes moyennes | |||
|---|---|---|---|
| Actif | 35% | 35% | 20% |
| Tempête mineure | 20% | 15% | 05% |
| Tempête majeure/sévère | 05% | 05% | 01% |
| B. Hautes latitudes | |||
|---|---|---|---|
| Actif | 10% | 10% | 15% |
| Tempête mineure | 25% | 30% | 25% |
| Tempête majeure/sévère | 55% | 50% | 25% |
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La Météo Spatiale en faits
| Dernière classe X | 28/03/2024 | X1.1 |
| Dernière classe M | 19/04/2024 | M2.1 |
| Dernier orage géomagnétique | 16/04/2024 | Kp5 (G1) |
| Jours sans taches solaires | |
|---|---|
| Dernier jour sans taches solaires | 08/06/2022 |
| Nombre mensuel moyen de taches solaires | |
|---|---|
| mars 2024 | 104.9 -19.8 |