Viendo archivo del domingo, 18 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 18 2200 UTCPreparado por NOAA © SWPC y procesado por SpaceWeatherLive.com
Informe conjunto USAF/NOAA de actividad Solar y Geofísica
SDF Número 109 Publicado el 2200Z a las 18 Apr 2004IA. Análisis de regiones solares activas y de actividad desde 17-2100Z hasta 18-2100Z Solar activity was very low. Occasional B-class flares
were observed in newly numbered Region 596 (S08E60). This developing
D-type group exhibited frequent brightness fluctuations throughout
the period. New spots have reemerged in Region 593 (S18W11). No
significant changes were observed in the remaining small active
regions.
IB. Pronóstico de la actividad solar
Solar activity is expected to be low.
Isolated C-class events are likely from Region 596.
IIA. Resumen de la actividad geofísica 17-2100Z a 18-2100Z
The geomagnetic field was quiet to unsettled with an isolated active
period between 18/0600 - 0900Z. Solar wind speed ranged from 350 to
400 km/s.
IIB. Pronóstico de la actividad geofísica
The geomagnetic field is
expected to be quiet to unsettled.
III. Probabilidades del evento 19 Apr a 21 Apr
| Clase M | 10% | 10% | 10% |
| Clase X | 01% | 01% | 01% |
| Protón | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7cm flujo
Observado 18 Apr 109 Previsto 19 Apr-21 Apr 115/115/120 Media de 90 Días 18 Apr 107
V. Índices Geomagnéticos A
Observado Afr/Ap 17 Apr 006/009 Estimado Afr/Ap 18 Apr 008/008 Previsto Afr/Ap 19 Apr-21 Apr 005/008-005/008-005/008
VI. Probabilidades de Actividad Geomagnética 19 Apr a 21 Apr
| A. Latitudes Medias | |||
|---|---|---|---|
| Activo | 10% | 10% | 10% |
| Tormenta Menor | 01% | 01% | 01% |
| Tormenta Mayor-Severa | 01% | 01% | 01% |
| B. Latitudes Altas | |||
|---|---|---|---|
| Activo | 15% | 15% | 15% |
| Tormenta Menor | 05% | 05% | 05% |
| Tormenta Mayor-Severa | 01% | 01% | 01% |
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