Viendo archivo del sábado, 18 abril 2009
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 2009 Apr 18 2201 UTCPreparado por NOAA © SWPC y procesado por SpaceWeatherLive.com
Informe conjunto USAF/NOAA de actividad Solar y Geofísica
SDF Número 108 Publicado el 2200Z a las 18 Apr 2009IA. Análisis de regiones solares activas y de actividad desde 17-2100Z hasta 18-2100Z Solar activity was very low. No flares were observed
during the past 24 hours. The visible disk remains spotless.
IB. Pronóstico de la actividad solar
Solar activity is expected to be very
low.
IIA. Resumen de la actividad geofísica 17-2100Z a 18-2100Z
The geomagnetic field was at quiet to unsettled levels. Observations
from the ACE spacecraft show solar wind speeds gradually increased
through the period from about 400 km/s to near 550 km/s with IMF Bz
fluctuations around +/- 5nT, all due to continued effects from a
coronal hole high speed stream.
IIB. Pronóstico de la actividad geofísica
The geomagnetic field is
expected to be mostly quiet for 19 - 20 April as the coronal hole
high speed stream will have rotated out of a geoeffective position.
Quiet to unsettled levels are expected for 21 April due to a
recurrent enhancement in solar wind velocities.
III. Probabilidades del evento 19 Apr a 21 Apr
| Clase M | 01% | 01% | 01% |
| Clase X | 01% | 01% | 01% |
| Protón | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7cm flujo
Observado 18 Apr 070 Previsto 19 Apr-21 Apr 070/070/070 Media de 90 Días 18 Apr 070
V. Índices Geomagnéticos A
Observado Afr/Ap 17 Apr 004/005 Estimado Afr/Ap 18 Apr 007/007 Previsto Afr/Ap 19 Apr-21 Apr 005/005-005/005-008/010
VI. Probabilidades de Actividad Geomagnética 19 Apr a 21 Apr
| A. Latitudes Medias | |||
|---|---|---|---|
| Activo | 05% | 05% | 15% |
| Tormenta Menor | 01% | 01% | 05% |
| Tormenta Mayor-Severa | 01% | 01% | 01% |
| B. Latitudes Altas | |||
|---|---|---|---|
| Activo | 05% | 05% | 20% |
| Tormenta Menor | 01% | 01% | 05% |
| Tormenta Mayor-Severa | 01% | 01% | 01% |
All times in UTC
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