Viendo archivo del sábado, 18 abril 2015
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 2015 Apr 18 2200 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 2015IA. Análisis de regiones solares activas y de actividad desde 17-2100Z hasta 18-2100Z Solar activity has been at low levels for the past 24 hours.
The largest solar event of the period was a C5 event observed at
18/1419Z from Region 2321 (N11W22). There are currently 7 numbered
sunspot regions on the disk.
IB. Pronóstico de la actividad solar
Solar activity is expected to be low with
a slight chance for an M-class flare on days one, two, and three (19
Apr, 20 Apr, 21 Apr).
IIA. Resumen de la actividad geofísica 17-2100Z a 18-2100Z
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
635 km/s at 17/2305Z. Total IMF reached 5 nT at 18/1255Z. The maximum
southward component of Bz reached -4 nT at 18/1349Z. Electrons greater
than 2 MeV at geosynchronous orbit reached a peak level of 3744 pfu.
IIB. Pronóstico de la actividad geofísica
The geomagnetic field is expected
to be at quiet to unsettled levels on day one (19 Apr) and quiet to
active levels on days two and three (20 Apr, 21 Apr).
III. Probabilidades del evento 19 Apr a 21 Apr
| Clase M | 20% | 20% | 20% |
| Clase X | 01% | 01% | 01% |
| Protón | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7cm flujo
Observado 18 Apr 148 Previsto 19 Apr-21 Apr 150/150/150 Media de 90 Días 18 Apr 130
V. Índices Geomagnéticos A
Observado Afr/Ap 17 Apr 020/023 Estimado Afr/Ap 18 Apr 010/012 Previsto Afr/Ap 19 Apr-21 Apr 007/008-010/012-010/012
VI. Probabilidades de Actividad Geomagnética 19 Apr a 21 Apr
| A. Latitudes Medias | |||
|---|---|---|---|
| Activo | 20% | 30% | 30% |
| Tormenta Menor | 05% | 05% | 05% |
| Tormenta Mayor-Severa | 01% | 01% | 01% |
| B. Latitudes Altas | |||
|---|---|---|---|
| Activo | 15% | 15% | 15% |
| Tormenta Menor | 30% | 30% | 30% |
| Tormenta Mayor-Severa | 25% | 35% | 35% |
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