Viendo archivo del sábado, 26 abril 2008
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 2008 Apr 26 2203 UTCPreparado por NOAA © SWPC y procesado por SpaceWeatherLive.com
Informe conjunto USAF/NOAA de actividad Solar y Geofísica
SDF Número 117 Publicado el 2200Z a las 26 Apr 2008IA. Análisis de regiones solares activas y de actividad desde 25-2100Z hasta 26-2100Z Solar activity was very low. The solar disk is void of
spots. Nonetheless there was a B3/Sf flare at 1408Z from an
unnumbered area of spotless plage near N08E09. The flare was
associated with a wave that was visible in EUV imagery on STEREO and
SOHO, type II and type IV radio sweeps, as well as a slow, faint,
full halo CME visible in coronagraph imagery. The estimated plane of
sky speed for the CME was around 430-480 km/s.
IB. Pronóstico de la actividad solar
Solar activity is expected to be very
low.
IIA. Resumen de la actividad geofísica 25-2100Z a 26-2100Z
The geomagnetic field was quiet to unsettled during the past 24
hours. Solar wind speed remains somewhat elevated (around 460-500
km/s) and density very low (around 1 p/cc), consistent with the
decaying phase of a high speed stream. The greater than 2 MeV
electron flux at geosynchronous orbit was high during the past 24
hours.
IIB. Pronóstico de la actividad geofísica
The geomagnetic field is
expected to be predominantly quiet for the next two days (27-28
April). A small increase is expected late on the third day (29
April) in response to today's CME event: activity is expected to be
unsettled with a chance for isolated active periods after the
disturbance arrives.
III. Probabilidades del evento 27 Apr a 29 Apr
| Clase M | 01% | 01% | 01% |
| Clase X | 01% | 01% | 01% |
| Protón | 01% | 01% | 01% |
| PCAF | Green | ||
IV. Penticton 10.7cm flujo
Observado 26 Apr 069 Previsto 27 Apr-29 Apr 070/070/070 Media de 90 Días 26 Apr 071
V. Índices Geomagnéticos A
Observado Afr/Ap 25 Apr 007/008 Estimado Afr/Ap 26 Apr 007/008 Previsto Afr/Ap 27 Apr-29 Apr 005/005-005/005-007/008
VI. Probabilidades de Actividad Geomagnética 27 Apr a 29 Apr
| A. Latitudes Medias | |||
|---|---|---|---|
| Activo | 10% | 10% | 20% |
| Tormenta Menor | 05% | 05% | 10% |
| Tormenta Mayor-Severa | 01% | 01% | 01% |
| B. Latitudes Altas | |||
|---|---|---|---|
| Activo | 10% | 10% | 25% |
| Tormenta Menor | 05% | 05% | 10% |
| Tormenta Mayor-Severa | 01% | 01% | 05% |
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