Viendo archivo del martes, 19 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 19 2200 UTCPreparado por NOAA © SWPC y procesado por SpaceWeatherLive.com
Informe conjunto USAF/NOAA de actividad Solar y Geofísica
SDF Número 292 Publicado el 2200Z a las 19 OCT 1999IA. Análisis de regiones solares activas y de actividad desde 18-2100Z hasta 19-2100Z SOLAR ACTIVITY WAS LOW. THE LARGEST EVENT OF THE PERIOD
WAS A C8/SF FROM REGION 8732 (N22W52) AT 19/1941Z. THIS REGION
PRODUCED SEVERAL MINOR C-CLASS SUBFLARES THROUGHOUT THE PERIOD.
REGION 8731 (N13W45) HAS DECAYED SLIGHTLY , PRODUCING OCCASIONAL
MINOR SUBFLARES. AN EXTENDED PERIOD OF BRIGHT SURGING WAS OBSERVED
ON THE SE LIMB BETWEEN 19/0700 - 1000Z, A CME FROM THE SAME LOCATION
OCCURRED DURING THAT TIME FRAME. NEW REGION 8737 (S15E14) WAS
NUMBERED TODAY AND PRODUCED A SUBFLARE LATE IN THE PERIOD.
IB. Pronóstico de la actividad solar
SOLAR ACTIVITY IS EXPECTED TO BE LOW
TO MODERATE. THOUGH LARGE AND MAGNETICALLY COMPLEX REGION 8731 HAS
SHOWN SIGNS OF DECAY, IT MAINTAINS POTENTIAL FOR AN ISOLATED M-CLASS
EVENT. REGION 8732 IS EXPECTED TO CONTINUE PRODUCING C-CLASS
ACTIVITY. REGION 8737, IF IT MAINTAINS ITS PRESENT GROWTH RATE, WILL
SOON BECOME A GOOD CANDIDATE FOR C-CLASS ACTIVITY.
IIA. Resumen de la actividad geofísica 18-2100Z a 19-2100Z
THE GEOMAGNETIC FIELD WAS AT QUIET TO UNSETTLED LEVELS WITH
OCCASIONAL ACTIVE PERIODS OBSERVED DURING LOCAL NIGHTTIME HOURS AT
HIGH LATITUDES. THE GREATER THAN TWO MEV ELECTRON FLUX REMAINED AT
MODERATE TO HIGH LEVELS.
IIB. Pronóstico de la actividad geofísica
THE GEOMAGNETIC FIELD IS
EXPECTED TO REMAIN AT QUIET TO UNSETTLED LEVELS. OCCASIONAL ACTIVE
CONDITIONS ARE POSSIBLE ON DAYS TWO AND THREE AS A CORONAL HOLE
MOVES INTO A GEOEFFECTIVELY FAVORABLE POSITION.
III. Probabilidades del evento 20 OCT a 22 OCT
| Clase M | 45% | 45% | 40% |
| Clase X | 10% | 10% | 05% |
| Protón | 10% | 10% | 05% |
| PCAF | GREEN | ||
IV. Penticton 10.7cm flujo
Observado 19 OCT 170 Previsto 20 OCT-22 OCT 170/165/160 Media de 90 Días 19 OCT 159
V. Índices Geomagnéticos A
OBSERVED AFR/AP 18 OCT 006/006 ESTIMATED AFR/AP 19 OCT 007/010 PREDICTED AFR/AP 20 OCT-22 OCT 010/008-012/015-012/012
VI. Probabilidades de Actividad Geomagnética 20 OCT a 22 OCT
| A. Latitudes Medias | |||
|---|---|---|---|
| Activo | 20% | 25% | 25% |
| Tormenta Menor | 05% | 10% | 10% |
| Tormenta Mayor-Severa | 01% | 01% | 01% |
| B. Latitudes Altas | |||
|---|---|---|---|
| Activo | 20% | 30% | 30% |
| Tormenta Menor | 10% | 15% | 15% |
| Tormenta Mayor-Severa | 01% | 05% | 05% |
All times in UTC
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