Viendo archivo del sábado, 23 octubre 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 Oct 23 2200 UTC
Preparado por NOAA © SWPC y procesado por SpaceWeatherLive.com

Informe conjunto USAF/NOAA de actividad Solar y Geofísica

SDF Número 296 Publicado el 2200Z a las 23 OCT 1999

IA. Análisis de regiones solares activas y de actividad desde 22-2100Z hasta 23-2100Z

SOLAR ACTIVITY WAS LOW. THE X-RAY BACKGROUND HAS REMAINED ABOVE C-LEVEL. A VARIETY OF ACTIVE REGIONS PRODUCED SMALL FLARES, INCLUDING REGION 8731 (N12W92), 8739 (S13E30), AND 8741 (S26E50). REGION 8741 WAS THE MOST ACTIVE AND HAS UNDERGONE CONSIDERABLE GROWTH SINCE YESTERDAY. REGION 8739 HAS ALSO GROWN. BOTH REGIONS CONTAIN MIXED POLARITIES. NEW REGION 8742 (N06E82) IS ROTATING AROUND THE EAST LIMB.
IB. Pronóstico de la actividad solar
SOLAR ACTIVITY IS EXPECTED TO BE LOW TO MODERATE. LOW-LEVEL M-CLASS ACTIVITY IS POSSIBLE IN REGIONS 8739 OR 8741.
IIA. Resumen de la actividad geofísica 22-2100Z a 23-2100Z
THE GEOMAGNETIC FIELD RANGED FROM QUIET TO MINOR STORM LEVELS IN THE WAKE OF YESTERDAY'S MAJOR STORM ACTIVITY. SOLAR WIND SPEEDS REMAINED AT OR ABOVE 600 KM/S AND THE IMF BZ FLUCTUATED BETWEEN +/- 5 NT. THE GREATER THAN 2 MEV ELECTRON FLUX AT GEOSYNCHRONOUS ORBIT WAS MODERATE TO HIGH.
IIB. Pronóstico de la actividad geofísica
THE GEOMAGNETIC FIELD IS EXPECTED TO BE PREDOMINATELY UNSETTLED TO ACTIVE WITH ISOLATED STORM PERIODS AS WE RECOVER FROM THE MAJOR ACTIVITY OF OCTOBER 22. FIELD ACTIVITY MAY ALSO BE INFLUENCED OVER THE NEXT THREE DAYS BY A CORONAL HOLE HIGH SPEED STREAM.
III. Probabilidades del evento 24 OCT a 26 OCT
Clase M30%30%30%
Clase X01%01%01%
Protón01%01%01%
PCAFGREEN
IV. Penticton 10.7cm flujo
  Observado       23 OCT 165
  Previsto   24 OCT-26 OCT  165/160/155
  Media de 90 Días        23 OCT 158
V. Índices Geomagnéticos A
OBSERVED AFR/AP 22 OCT  045/087
ESTIMATED AFR/AP 23 OCT  020/028
PREDICTED AFR/AP 24 OCT-26 OCT  020/030-020/020-010/015
VI. Probabilidades de Actividad Geomagnética 24 OCT a 26 OCT
A. Latitudes Medias
Activo25%25%25%
Tormenta Menor15%15%15%
Tormenta Mayor-Severa15%15%15%
B. Latitudes Altas
Activo25%25%25%
Tormenta Menor20%20%20%
Tormenta Mayor-Severa15%15%15%

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