Viendo archivo del martes, 23 noviembre 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 Nov 23 2200 UTCPreparado por NOAA © SWPC y procesado por SpaceWeatherLive.com
Informe conjunto USAF/NOAA de actividad Solar y Geofísica
SDF Número 327 Publicado el 2200Z a las 23 NOV 1999IA. Análisis de regiones solares activas y de actividad desde 22-2100Z hasta 23-2100Z SOLAR ACTIVITY REMAINED AT LOW LEVELS. REGION 8771
(S14W26) PRODUCED NUMEROUS SUBFLARES DURING THE PERIOD INCLUDING A
FEW THAT REACHED C-CLASS. THIS REGION APPEARED TO STABILIZE AS A
LARGE E-TYPE SPOT GROUP WITH COMPACT SUNSPOT DISTRIBUTION AND A
MIXED-POLARITY MAGNETIC STRUCTURE. REGION 8765 (S12W85) REMAINED A
LARGE, MAGNETICALLY COMPLEX GROUP, BUT WAS STABLE 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 LOW
TO MODERATE. ISOLATED M-CLASS FLARES ARE POSSIBLE FROM REGION 8771
AND REGION 8765 (AS IT ROTATES OUT OF VIEW). THERE IS ALSO A SLIGHT
CHANCE FOR A MAJOR FLARE FROM EITHER OF THESE REGIONS.
IIA. Resumen de la actividad geofísica 22-2100Z a 23-2100Z
GEOMAGNETIC FIELD ACTIVITY RANGED FROM QUIET TO ACTIVE LEVELS. ACTIVE
LEVELS OCCURRED DURING 23/0500 - 0900Z FOLLOWING A PERIOD OF
PERSISTENT SOUTHWARD IMF BZ. ACTIVITY DECLINED TO UNSETTLED LEVELS
AFTER 23/0900Z.
IIB. Pronóstico de la actividad geofísica
GEOMAGNETIC FIELD ACTIVITY IS
EXPECTED TO BE AT MOSTLY QUIET TO UNSETTLED LEVELS THROUGH THE
PERIOD. THERE IS A SLIGHT CHANCE FOR A PROTON EVENT AT
GEOSYNCHRONOUS ORBIT, SHOULD A MAJOR FLARE OCCUR FROM REGIONS 8765
OR 8771.
III. Probabilidades del evento 24 NOV a 26 NOV
| Clase M | 70% | 60% | 60% |
| Clase X | 10% | 10% | 10% |
| Protón | 10% | 10% | 10% |
| PCAF | YELLOW | ||
IV. Penticton 10.7cm flujo
Observado 23 NOV 186 Previsto 24 NOV-26 NOV 175/170/155 Media de 90 Días 23 NOV 167
V. Índices Geomagnéticos A
OBSERVED AFR/AP 22 NOV 008/010 ESTIMATED AFR/AP 23 NOV 014/014 PREDICTED AFR/AP 24 NOV-26 NOV 012/015-010/010-007/010
VI. Probabilidades de Actividad Geomagnética 24 NOV a 26 NOV
| A. Latitudes Medias | |||
|---|---|---|---|
| Activo | 25% | 20% | 15% |
| Tormenta Menor | 10% | 05% | 05% |
| Tormenta Mayor-Severa | 01% | 01% | 01% |
| B. Latitudes Altas | |||
|---|---|---|---|
| Activo | 30% | 25% | 20% |
| Tormenta Menor | 15% | 10% | 10% |
| Tormenta Mayor-Severa | 01% | 01% | 01% |
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