Viendo archivo del martes, 28 diciembre 1999

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 1999 Dec 28 2200 UTC
Preparado por NOAA © SWPC y procesado por SpaceWeatherLive.com

Informe conjunto USAF/NOAA de actividad Solar y Geofísica

SDF Número 362 Publicado el 2200Z a las 28 DEC 1999

IA. Análisis de regiones solares activas y de actividad desde 27-2100Z hasta 28-2100Z

SOLAR ACTIVITY WAS MODERATE. REGION 8806 (N20W65) PRODUCED AN M4/2B FLARE AT 28/0039UT. THIS EVENT WAS ACCOMPANIED BY MODERATE RADIO EMISSIONS, INCLUDING A TYPE II SWEEP. REGION 8806 CONTINUES TO DECLINE AS IT APPROACHES THE WEST LIMB. ONLY MINOR ACTIVITY WAS OBSERVED IN THE OTHER THREE SPOTTED REGIONS. THE PROMINENCE THAT ERUPTED AROUND 27/2100UT APPEARS IN THE SOHO IMAGERY TO COVER MUCH OF THE NORTHERN POLAR AREA.
IB. Pronóstico de la actividad solar
SOLAR ACTIVITY IS EXPECTED TO BE LOW TO MODERATE.
IIA. Resumen de la actividad geofísica 27-2100Z a 28-2100Z
THE GEOMAGNETIC FIELD WAS MOSTLY QUIET. A SHORT PERIOD OF UNSETTLED CONDITIONS WAS OBSERVED AROUND 0300UT. THERE WERE ONLY MINOR PARTICLE ENHANCEMENTS FOLLOWING THE 28/0039UT M4/2B FLARE.
IIB. Pronóstico de la actividad geofísica
THE GEOMAGNETIC FIELD IS EXPECTED TO BE QUIET TO UNSETTLED EARLY IN THE PERIOD. THE FIELD IS EXPECTED TO BECOME DISTURBED STARTING ON 31 DEC AS A RESULT OF A LARGE EQUATORIAL CORONAL HOLE EAST OF CENTRAL MERIDIAN.
III. Probabilidades del evento 29 DEC a 31 DEC
Clase M50%50%50%
Clase X10%10%10%
Protón10%10%10%
PCAFGREEN
IV. Penticton 10.7cm flujo
  Observado       28 DEC 150
  Previsto   29 DEC-31 DEC  145/140/135
  Media de 90 Días        28 DEC 176
V. Índices Geomagnéticos A
OBSERVED AFR/AP 27 DEC  006/006
ESTIMATED AFR/AP 28 DEC  004/005
PREDICTED AFR/AP 29 DEC-31 DEC  005/005-008/010-012/012
VI. Probabilidades de Actividad Geomagnética 29 DEC a 31 DEC
A. Latitudes Medias
Activo10%15%15%
Tormenta Menor05%05%05%
Tormenta Mayor-Severa01%01%01%
B. Latitudes Altas
Activo15%20%20%
Tormenta Menor05%10%10%
Tormenta Mayor-Severa01%01%01%

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