Viendo archivo del lunes, 24 septiembre 2001
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 2001 Sep 24 2200 UTCPreparado por NOAA © SWPC y procesado por SpaceWeatherLive.com
Informe conjunto USAF/NOAA de actividad Solar y Geofísica
SDF Número 267 Publicado el 2200Z a las 24 Sep 2001IA. Análisis de regiones solares activas y de actividad desde 23-2100Z hasta 24-2100Z Solar activity was high. Region 9632 (S19E19) produced
an X2/2b flare at 1038 UTC. Significant discrete frequency radio
bursts (i.e., 7500 sfu at 2695 MHz) accompanied the event, as well
as a Type IV sweep which lasted for many hours. A full halo coronal
mass ejection was seen by SOHO/LASCO. This region remains bright in
H-alpha and still shows mixed polarities in its largest spot.
Elsewhere on the disk occasional small flares occurred from a number
of the 15 spotted regions visible. Two new regions were assigned,
Region 9636 (N12E65) and Region 9637 (S14E71).
IB. Pronóstico de la actividad solar
Solar activity is expected to be
moderate to high. Region 9632 is still a threat to produce
additional M and X class activity.
IIA. Resumen de la actividad geofísica 23-2100Z a 24-2100Z
The geomagnetic field was quiet to unsettled. Satellite proton events
at greater than 10 and greater than 100 MeV began shortly after the
X2/2b flare. The greater than 10 MeV protons crossed threshold at
1215 UTC, and reached a tentative maximum of 1,020 pfu at 2040 UTC.
The greater than 100 MeV event began at 1440 UTC and attained its
tentative maximum of 10.6 pfu at 2020 UTC. Neither trace is
declining at this writing. In addition a Polar Cap Absorption event
began at 1315 UTC, and registered a peak value of 9.0 dB of
absorption at 30 MHz at approximately 1935 UTC.
IIB. Pronóstico de la actividad geofísica
The geomagnetic field is
expected to be at major to severe storm levels beginning early on 26
September. The cme/flare event of earlier today is expected to spawn
a strong disturbance expected to persist for 48 hours. The proton
events currently occurring are likely to continue for the next 24
hours. The Polar Cap Absorption is expected to continue throughout
the day on 25 September.
III. Probabilidades del evento 25 Sep a 27 Sep
| Clase M | 80% | 80% | 80% |
| Clase X | 30% | 30% | 30% |
| Protón | 99% | 50% | 30% |
| PCAF | in progress | ||
IV. Penticton 10.7cm flujo
Observado 24 Sep 279 Previsto 25 Sep-27 Sep 285/290/285 Media de 90 Días 24 Sep 168
V. Índices Geomagnéticos A
Observado Afr/Ap 23 Sep 018/027 Estimado Afr/Ap 24 Sep 010/012 Previsto Afr/Ap 25 Sep-27 Sep 015/020-080/100-040/040
VI. Probabilidades de Actividad Geomagnética 25 Sep a 27 Sep
| A. Latitudes Medias | |||
|---|---|---|---|
| Activo | 30% | 05% | 10% |
| Tormenta Menor | 15% | 25% | 50% |
| Tormenta Mayor-Severa | 05% | 65% | 25% |
| B. Latitudes Altas | |||
|---|---|---|---|
| Activo | 40% | 05% | 10% |
| Tormenta Menor | 20% | 25% | 40% |
| Tormenta Mayor-Severa | 10% | 70% | 40% |
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