Viendo archivo del viernes, 21 febrero 2003
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 2003 Feb 21 2200 UTCPreparado por NOAA © SWPC y procesado por SpaceWeatherLive.com
Informe conjunto USAF/NOAA de actividad Solar y Geofísica
SDF Número 052 Publicado el 2200Z a las 21 Feb 2003IA. Análisis de regiones solares activas y de actividad desde 20-2100Z hasta 21-2100Z Solar activity was low. Region 290 (N17E05) continues
in a slow growth phase and produced several minor C-class events,
the largest being an impulsive C4 flare at 21/1950Z. This moderately
complex region may have a weak delta configuration in the leader
spots. Region 289 (N09W90) remains quite active as it rotates
around the west limb. This region has also been in a slow growth
phase since its development on the visible disk on 18 Feb. New
Region 291 was numbered today.
IB. Pronóstico de la actividad solar
Solar activity is expected to continue
at low levels, though there is a small chance for an M-class flare
from Region 290.
IIA. Resumen de la actividad geofísica 20-2100Z a 21-2100Z
The geomagnetic field was quiet to active. The disturbed periods are
due to a declining high speed solar wind stream. This high speed
stream began the period near 700 km/s, but declined slowly
throughout the day to 550 km/s by the end of the period.
IIB. Pronóstico de la actividad geofísica
The geomagnetic field is
expected to continue at mostly quiet to unsettled levels with
isolated active periods over the next three days.
III. Probabilidades del evento 22 Feb a 24 Feb
| Clase M | 20% | 20% | 20% |
| Clase X | 01% | 01% | 01% |
| Protón | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7cm flujo
Observado 21 Feb 120 Previsto 22 Feb-24 Feb 120/125/125 Media de 90 Días 21 Feb 145
V. Índices Geomagnéticos A
Observado Afr/Ap 20 Feb 012/016 Estimado Afr/Ap 21 Feb 010/012 Previsto Afr/Ap 22 Feb-24 Feb 010/012-005/010-010/010
VI. Probabilidades de Actividad Geomagnética 22 Feb a 24 Feb
| A. Latitudes Medias | |||
|---|---|---|---|
| Activo | 25% | 20% | 25% |
| Tormenta Menor | 10% | 05% | 10% |
| Tormenta Mayor-Severa | 05% | 01% | 05% |
| B. Latitudes Altas | |||
|---|---|---|---|
| Activo | 40% | 30% | 30% |
| Tormenta Menor | 20% | 15% | 15% |
| Tormenta Mayor-Severa | 10% | 05% | 05% |
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