Viendo archivo del viernes, 17 febrero 2012
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 2012 Feb 17 2200 UTCPreparado por NOAA © SWPC y procesado por SpaceWeatherLive.com
Informe conjunto USAF/NOAA de actividad Solar y Geofísica
SDF Número 048 Publicado el 2200Z a las 17 Feb 2012IA. Análisis de regiones solares activas y de actividad desde 16-2100Z hasta 17-2100Z Solar activity was at very low levels. Region 1418
(S23W55) redeveloped spots as a B-type group. The remaining regions
were quiet and stable. Two filament eruptions were observed during
the period. The first eruption was a 9 degree long filament
centered near N26E41 that lifted off at about 17/0130Z. The second
eruption was a 16 degree long filament centered near S33W17 that
lifted off at about 17/0553Z. LASCO C2 imagery observed a very
faint, slow-moving CME off the SSE limb first visible about
17/0745Z. This CME does not appear to have an Earth-directed
component.
IB. Pronóstico de la actividad solar
Solar activity is expected to be very
low with a chance for C-class activity for the next three days (18 -
20 February).
IIA. Resumen de la actividad geofísica 16-2100Z a 17-2100Z
The geomagnetic field was at quiet levels. ACE solar wind velocities
decreased during the period from about 350 km/s to near 300 km/s
while the Bz component of the interplanetary magnetic field did not
vary much beyond +/- 4 nT.
IIB. Pronóstico de la actividad geofísica
The geomagnetic field is
expected to be at mostly quiet levels through most of day one (18
February). By late on day one and through day two (19 February),
field activity is expected to increase to quiet to unsettled levels,
with isolated active periods, due to recurrent coronal hole high
speed stream effects. A return to mostly quiet conditions is
expected by day three (20 February).
III. Probabilidades del evento 18 Feb a 20 Feb
| Clase M | 01% | 01% | 01% |
| Clase X | 01% | 01% | 01% |
| Protón | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7cm flujo
Observado 17 Feb 104 Previsto 18 Feb-20 Feb 105/100/110 Media de 90 Días 17 Feb 132
V. Índices Geomagnéticos A
Observado Afr/Ap 16 Feb 004/003 Estimado Afr/Ap 17 Feb 002/002 Previsto Afr/Ap 18 Feb-20 Feb 007/008-008/008-004/005
VI. Probabilidades de Actividad Geomagnética 18 Feb a 20 Feb
| A. Latitudes Medias | |||
|---|---|---|---|
| Activo | 30% | 30% | 15% |
| Tormenta Menor | 15% | 15% | 01% |
| Tormenta Mayor-Severa | 01% | 01% | 01% |
| B. Latitudes Altas | |||
|---|---|---|---|
| Activo | 40% | 40% | 20% |
| Tormenta Menor | 20% | 20% | 05% |
| Tormenta Mayor-Severa | 05% | 05% | 01% |
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