Viendo archivo del sábado, 17 enero 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 Jan 17 2200 UTCPreparado por NOAA © SWPC y procesado por SpaceWeatherLive.com
Informe conjunto USAF/NOAA de actividad Solar y Geofísica
SDF Número 017 Publicado el 2200Z a las 17 Jan 2004IA. Análisis de regiones solares activas y de actividad desde 16-2100Z hasta 17-2100Z Solar activity reached high levels this period. Region
540 (S14E15), the source of several low C-class flares throughout
the period, produced an M5 flare at 17/1750Z. Moderate to strong
radio bursts accompanied this flare, including a 580 sfu Tenflare
and an extraordinary 270,000 sfu burst on 245 MHz (observed at both
Sagamore Hill and Palehua observatories). A Type II radio sweep (784
km/s) was also observed. Region 540 is a moderate size group of
approximately 350 millionths of white light areal coverage with
minor magnetic mixing. Region 537 (N04W70) continues in a slow decay
phase as it approaches the west limb. Isolated C-class activity was
observed from this region. No other significant activity was noted.
IB. Pronóstico de la actividad solar
Solar activity is expected to be low
to moderate. Isolated M-class activity is possible from Region 540.
IIA. Resumen de la actividad geofísica 16-2100Z a 17-2100Z
The geomagnetic field was quiet to active. A coronal hole high speed
stream is responsible for the weak disturbed periods. The IMF Bz was
predominantly northward which offset the geomagnetic effects of the
high speed flow. The greater than 2 MeV electron flux at
geosynchronous orbit was at high levels today.
IIB. Pronóstico de la actividad geofísica
The geomagnetic field is
expected to continue at quiet to active levels through 18 January as
the high speed stream subsides. Quiet to unsettled conditions are
expected on 19 January. A disturbance associated with today's M5
flare, is expect to begin on 20 January. Active to minor storm
conditions are expected.
III. Probabilidades del evento 18 Jan a 20 Jan
| Clase M | 20% | 20% | 20% |
| Clase X | 05% | 05% | 05% |
| Protón | 05% | 05% | 05% |
| PCAF | green | ||
IV. Penticton 10.7cm flujo
Observado 17 Jan 123 Previsto 18 Jan-20 Jan 125/120/110 Media de 90 Días 17 Jan 139
V. Índices Geomagnéticos A
Observado Afr/Ap 16 Jan 021/026 Estimado Afr/Ap 17 Jan 015/016 Previsto Afr/Ap 18 Jan-20 Jan 015/015-010/012-020/020
VI. Probabilidades de Actividad Geomagnética 18 Jan a 20 Jan
| A. Latitudes Medias | |||
|---|---|---|---|
| Activo | 25% | 20% | 30% |
| Tormenta Menor | 10% | 05% | 20% |
| Tormenta Mayor-Severa | 01% | 01% | 05% |
| B. Latitudes Altas | |||
|---|---|---|---|
| Activo | 30% | 25% | 35% |
| Tormenta Menor | 15% | 10% | 25% |
| Tormenta Mayor-Severa | 05% | 05% | 10% |
All times in UTC
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