Viendo archivo del domingo, 30 abril 2000
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 2000 Apr 30 2200 UTCPreparado por NOAA © SWPC y procesado por SpaceWeatherLive.com
Informe conjunto USAF/NOAA de actividad Solar y Geofísica
SDF Número 121 Publicado el 2200Z a las 30 APR 2000IA. Análisis de regiones solares activas y de actividad desde 29-2100Z hasta 30-2100Z SOLAR ACTIVITY WAS LOW. REGION 8976 (S11W25) PRODUCED
THE LARGEST EVENT OF THE PERIOD, A C7/1N FLARE WITH AN ACCOMPANYING
TYPE II RADIO SWEEP (VELOCITY = 700 KM/S) AT 30/0808UT. IMAGES FROM
THE LASCO SPACECRAFT INDICATE THAT A POSSIBLY EARTH-DIRECTED CORONAL
MASS EJECTION (CME) ALSO OCCURRED IN CONJUNCTION WITH THIS EVENT.
THE TWO LARGEST REGIONS ON THE DISK, 8970 (S17E44) AND 8971
(N21W48), SHOWED SIGNS OF DECAY BUT STILL PRODUCED OCCASIONAL
OPTICAL SUBFLARES. OLD REGION 8948 SHOULD ROTATE ONTO THE DISK
TOMORROW. EIT IMAGERY HAS SHOWN CONSIDERABLE ACTIVITY FROM THIS
RETURNING REGION.
IB. Pronóstico de la actividad solar
SOLAR ACTIVITY IS EXPECTED TO BE LOW.
THE RETURNING REGION 8948 COULD PRODUCE ISOLATED M-CLASS EVENTS.
IIA. Resumen de la actividad geofísica 29-2100Z a 30-2100Z
THE GEOMAGNETIC FIELD WAS QUIET TO UNSETTLED.
IIB. Pronóstico de la actividad geofísica
THE GEOMAGNETIC FIELD IS
EXPECTED TO BE QUIET TO UNSETTLED. THE CME DESCRIBED IN SECTION IA
COULD CAUSE ACTIVE CONDITIONS ON THE THIRD DAY OF THE PERIOD,
DEPENDING ON HOW CLOSE IT COMES TO EARTH.
III. Probabilidades del evento 01 MAY a 03 MAY
| Clase M | 30% | 30% | 30% |
| Clase X | 01% | 01% | 01% |
| Protón | 01% | 01% | 01% |
| PCAF | GREEN | ||
IV. Penticton 10.7cm flujo
Observado 30 APR 170 Previsto 01 MAY-03 MAY 175/180/180 Media de 90 Días 30 APR 189
V. Índices Geomagnéticos A
OBSERVED AFR/AP 29 APR 012/012 ESTIMATED AFR/AP 30 APR 010/012 PREDICTED AFR/AP 01 MAY-03 MAY 010/010-010/010-015/020
VI. Probabilidades de Actividad Geomagnética 01 MAY a 03 MAY
| A. Latitudes Medias | |||
|---|---|---|---|
| Activo | 20% | 20% | 30% |
| Tormenta Menor | 05% | 05% | 05% |
| Tormenta Mayor-Severa | 01% | 01% | 01% |
| B. Latitudes Altas | |||
|---|---|---|---|
| Activo | 30% | 30% | 40% |
| Tormenta Menor | 05% | 05% | 10% |
| Tormenta Mayor-Severa | 01% | 01% | 01% |
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