Viendo archivo del miércoles, 21 abril 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 Apr 21 2200 UTCPreparado por NOAA © SWPC y procesado por SpaceWeatherLive.com
Informe conjunto USAF/NOAA de actividad Solar y Geofísica
:::::::::: CORRECTED COPY :::::::::: SDF Número 111 Publicado el 2200Z a las 21 APR 1999IA. Análisis de regiones solares activas y de actividad desde 20-2100Z hasta 21-2100Z SOLAR ACTIVITY INCREASED TO LOW LEVELS. ISOLATED,
OPTICALLY UNCORRELATED C-CLASS X-RAY FLARES OCCURRED. REGION 8517
(N24W88) PRODUCED A COUPLE SUBFLARES AS IT BEGAN TO CROSS THE WEST
LIMB. THE REMAINING REGIONS WERE STABLE. NO NEW REGIONS WERE
ASSIGNED.
IB. Pronóstico de la actividad solar
SOLAR ACTIVITY IS EXPECTED TO BE VERY
LOW TO LOW.
IIA. Resumen de la actividad geofísica 20-2100Z a 21-2100Z
THE GEOMAGNETIC FIELD WAS AT QUIET TO ACTIVE LEVELS. ACTIVE LEVELS
OCCURRED DURING 21/0900-1200Z.
IIB. Pronóstico de la actividad geofísica
THE GEOMAGNETIC FIELD IS
EXPECTED TO BE AT QUIET TO UNSETTLED LEVELS THROUGH THE PERIOD.
III. Probabilidades del evento 22 APR a 24 APR
| Clase M | 10% | 10% | 10% |
| Clase X | 01% | 01% | 01% |
| Protón | 01% | 01% | 01% |
| PCAF | GREEN | ||
IV. Penticton 10.7cm flujo
Observado 21 APR 103 Previsto 22 APR-24 APR 105/105/105 Media de 90 Días 21 APR 131
V. Índices Geomagnéticos A
OBSERVED AFR/AP 20 APR 015/021 ESTIMATED AFR/AP 21 APR 014/014 PREDICTED AFR/AP 22 APR-24 APR 010/010-007/007-007/007
VI. Probabilidades de Actividad Geomagnética 22 APR a 24 APR
| A. Latitudes Medias | |||
|---|---|---|---|
| Activo | 30% | 15% | 10% |
| Tormenta Menor | 20% | 10% | 10% |
| Tormenta Mayor-Severa | 01% | 01% | 01% |
| B. Latitudes Altas | |||
|---|---|---|---|
| Activo | 35% | 25% | 15% |
| Tormenta Menor | 25% | 10% | 10% |
| Tormenta Mayor-Severa | 05% | 01% | 01% |
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