Viendo archivo del sábado, 10 abril 2004
Informe actividad solar
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.
Informe de actividad Solar-Geofísica 2004 Apr 10 2200 UTCPreparado por NOAA © SWPC y procesado por SpaceWeatherLive.com
Informe conjunto USAF/NOAA de actividad Solar y Geofísica
SDF Número 101 Publicado el 2200Z a las 10 Apr 2004IA. Análisis de regiones solares activas y de actividad desde 09-2100Z hasta 10-2100Z Solar activity was very low. Region 588 (S15W38)
contains the only sunspots on the visible disk. This region
maintains a reverse polarity beta magnetic configuration, but has
been quiet since producing a C2 flare and CME at 09/2040Z. No other
significant activity or changes were observed.
IB. Pronóstico de la actividad solar
Solar activity is expected to be low
to very low. Isolated C-class flares are possible from Region 588.
IIA. Resumen de la actividad geofísica 09-2100Z a 10-2100Z
The geomagnetic field was quiet to unsettled. Solar wind speed was in
gradual decline following yesterday's CME impact. Speed declined
from a peak near 570 km/s at 09/0505Z to near 400 km/s late in the
period. A sharp discontinuity in solar wind plasma and IMF
measurements occurred at 10/1925Z. This was likely the
interplanetary shock associated with the C7 flare and CME on 08
April. Solar wind speed following the shock ranged from 500 to 540
km/s, but the IMF BZ was mostly northward. The greater than 2 MeV
electron flux at geosynchronous orbit reached high levels again this
period.
IIB. Pronóstico de la actividad geofísica
The geomagnetic field is
expected to be quiet to active. Occasional active periods are
expected on 11 April following today's CME arrival. Updated LASCO
imagery reveal another Earth-directed CME associated with
yesterday's C2 flare at 09/2040Z. A geomagnetic response is likely
on 12 April, but the disturbance should be limited to occasional
active periods. Mostly quiet to unsettled conditions are expected on
13 April.
III. Probabilidades del evento 11 Apr a 13 Apr
| Clase M | 05% | 10% | 10% |
| Clase X | 01% | 01% | 01% |
| Protón | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7cm flujo
Observado 10 Apr 088 Previsto 11 Apr-13 Apr 090/095/100 Media de 90 Días 10 Apr 109
V. Índices Geomagnéticos A
Observado Afr/Ap 09 Apr 011/016 Estimado Afr/Ap 10 Apr 015/012 Previsto Afr/Ap 11 Apr-13 Apr 020/020-010/015-005/010
VI. Probabilidades de Actividad Geomagnética 11 Apr a 13 Apr
| A. Latitudes Medias | |||
|---|---|---|---|
| Activo | 40% | 30% | 15% |
| Tormenta Menor | 25% | 10% | 05% |
| Tormenta Mayor-Severa | 15% | 01% | 01% |
| B. Latitudes Altas | |||
|---|---|---|---|
| Activo | 45% | 35% | 25% |
| Tormenta Menor | 35% | 15% | 10% |
| Tormenta Mayor-Severa | 20% | 05% | 01% |
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