Viendo archivo del martes, 25 mayo 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 May 25 2200 UTCPreparado por NOAA © SWPC y procesado por SpaceWeatherLive.com
Informe conjunto USAF/NOAA de actividad Solar y Geofísica
SDF Número 145 Publicado el 2200Z a las 25 MAY 1999IA. Análisis de regiones solares activas y de actividad desde 24-2100Z hasta 25-2100Z SOLAR ACTIVITY WAS LOW. THE PERIOD WAS CHARACTERIZED
BY A NUMBER OF VERY WEAK C-CLASS X-RAY AND OPTICAL FLARES. TWO
REGIONS WERE NUMBERED TODAY. THE FIRST, REGION 8553 (N25W02) ,
BEGAN THE PERIOD AS A SOUTHWEST EXTENSION TO REGION 8551 (N32E10).
THE SECOND, REGION 8554 (N27E39), FORMED OVERNIGHT.
IB. Pronóstico de la actividad solar
SOLAR ACTIVITY IS EXPECTED TO REMAIN
LOW WITH A SLIGHT CHANCE FOR AN ISOLATED M-CLASS X-RAY FLARE.
IIA. Resumen de la actividad geofísica 24-2100Z a 25-2100Z
THE GEOMAGNETIC FIELD RANGED FROM QUIET TO MINOR STORM LEVELS. THE
MOST ACTIVE CONDITIONS WERE SEEN OVERNIGHT AND IN THE EARLY MORNING
HOURS. THESE CONDITIONS WERE DUE TO THE EFFECT OF A SMALL CORONAL
HOLE AS WELL AS THE IMPACT OF A TRANSIENT FEATURE THAT BROUGHT A
SUSTAINED PERIOD OF SOUTHWARD BZ.
IIB. Pronóstico de la actividad geofísica
THE GEOMAGNETIC FIELD IS
EXPECTED TO BE QUIET TO UNSETTLED. AS THE EFFECT OF THE CURRENT
CORONAL HOLE DIMINISHES, ANOTHER RECURRENT HOLE IS EXPECTED BY THE
SECOND DAY OF THE FORECAST PERIOD.
III. Probabilidades del evento 26 MAY a 28 MAY
| Clase M | 30% | 30% | 30% |
| Clase X | 01% | 01% | 01% |
| Protón | 01% | 01% | 01% |
| PCAF | GREEN | ||
IV. Penticton 10.7cm flujo
Observado 25 MAY 143 Previsto 26 MAY-28 MAY 145/145/150 Media de 90 Días 25 MAY 129
V. Índices Geomagnéticos A
OBSERVED AFR/AP 24 MAY 011/011 ESTIMATED AFR/AP 25 MAY 015/019 PREDICTED AFR/AP 26 MAY-28 MAY 012/012-010/010-010/010
VI. Probabilidades de Actividad Geomagnética 26 MAY a 28 MAY
| A. Latitudes Medias | |||
|---|---|---|---|
| Activo | 20% | 20% | 20% |
| Tormenta Menor | 05% | 05% | 05% |
| Tormenta Mayor-Severa | 01% | 01% | 01% |
| B. Latitudes Altas | |||
|---|---|---|---|
| Activo | 25% | 25% | 25% |
| Tormenta Menor | 05% | 05% | 05% |
| Tormenta Mayor-Severa | 01% | 01% | 01% |
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