Viendo archivo del domingo, 29 mayo 2011
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 2011 May 29 2200 UTCPreparado por NOAA © SWPC y procesado por SpaceWeatherLive.com
Informe conjunto USAF/NOAA de actividad Solar y Geofísica
SDF Número 149 Publicado el 2200Z a las 29 May 2011IA. Análisis de regiones solares activas y de actividad desde 28-2100Z hasta 29-2100Z Solar activity was moderate. At 29/1033Z, a
long-duration M1/1F flare occurred from Region 1126 (S21E54). The
flare was accompanied by a Type II (554 km/s shock velocity) radio
emission and a CME was later visible in both SOHO/LASCO and STEREO
COR2 imagery. The CME speed was estimated at 550 km/s using
plane-of-sky measurements. The CME is not expected to be
geoeffective, based on its origin. Region 1126 grew in area and
spot count over the past 24 hours. Two magnetically simple new
regions, 1127 (S19E69) and 1128 (N17E67), were numbered.
IB. Pronóstico de la actividad solar
Solar activity is expected to be low
to moderate. More C-class events are expected and there is a
continued chance of an M-class event.
IIA. Resumen de la actividad geofísica 28-2100Z a 29-2100Z
The geomagnetic field ranged from unsettled to minor storm levels.
Solar wind speed rose above 500 km/s early in the period and ranged
between 700-800 km/s for the remainder. The Bz component of the
interplanetary magnetic field fluctuated between +7 and -9 nT. At
the same time the wind speed increased, temperature increased,
density decreased and the Phi angle became negative. These
observations were consistent with a geoeffective coronal hole high
speed stream. The greater than 2 MeV electron flux at geosynchronous
orbit reached high levels during the period.
IIB. Pronóstico de la actividad geofísica
The goemagnetic field is
expected to decline from predominantly unsettled to active levels on
day 1 (30 May), to quiet to unsettled levels on days 2 and 3 (31 May
- 01 Jun) as the coronal hole high speed stream wanes. There
remains a chance for isolated minor storm periods at high latitudes
on day 1.
III. Probabilidades del evento 30 May a 01 Jun
| Clase M | 40% | 40% | 40% |
| Clase X | 05% | 05% | 05% |
| Protón | 05% | 05% | 05% |
| PCAF | green | ||
IV. Penticton 10.7cm flujo
Observado 29 May 111 Previsto 30 May-01 Jun 110/110/110 Media de 90 Días 29 May 108
V. Índices Geomagnéticos A
Observado Afr/Ap 28 May 032/040 Estimado Afr/Ap 29 May 025/043 Previsto Afr/Ap 30 May-01 Jun 015/020-010/012-005/010
VI. Probabilidades de Actividad Geomagnética 30 May a 01 Jun
| A. Latitudes Medias | |||
|---|---|---|---|
| Activo | 25% | 10% | 05% |
| Tormenta Menor | 10% | 05% | 01% |
| Tormenta Mayor-Severa | 01% | 01% | 01% |
| B. Latitudes Altas | |||
|---|---|---|---|
| Activo | 35% | 20% | 05% |
| Tormenta Menor | 20% | 10% | 01% |
| Tormenta Mayor-Severa | 10% | 05% | 01% |
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