Viendo archivo del domingo, 27 febrero 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 Feb 27 2200 UTCPreparado por NOAA © SWPC y procesado por SpaceWeatherLive.com
Informe conjunto USAF/NOAA de actividad Solar y Geofísica
SDF Número 058 Publicado el 2200Z a las 27 FEB 2000IA. Análisis de regiones solares activas y de actividad desde 26-2100Z hasta 27-2100Z SOLAR ACTIVITY BECAME MODERATE. REGION 8889 (N20E35)
PRODUCED A LONG DURATION M1/2F FLARE FROM 26/2333-27/0103Z. THIS
EVENT WAS PRECEDED BY A NEARBY FILAMENT ERUPTION AND ERUPTIVE
PROMINENCE AT NE44 TO 0.29 RADIUS ABOVE THE LIMB. MINOR RADIO BURSTS
ACCOMPANIED THIS EVENT. THE SOHO CORONAGRAPH RECORDED A VERY LARGE
AND DENSE CORONAL MASS EJECTION FOLLOWING THE ERUPTION AND FLARE. IT
WAS SEEN TO PROPAGATE NORTHWARD OUT OF THE ECLIPTIC. REGION 8882
(S16W04) PRODUCED FREQUENT C-CLASS SUBFLARES. SOME GROWTH WAS NOTED
HERE BUT MAGNETIC COMPLEXITY MAY BE DECREASING. REGION 8891 (S17E49)
ALSO PRODUCED SEVERAL SUBFLARES BUT WAS GENERALLY STABLE IN OTHER
PARAMETERS.
IB. Pronóstico de la actividad solar
SOLAR ACTIVITY SHOULD BE LOW TO
MODERATE. M-CLASS EVENTS ARE POSSIBLE FROM REGIONS 8882 AND 8891.
THERE IS A SMALL POSSIBILITY THAT EITHER OF THESE REGIONS COULD
PRODUCE A MAJOR FLARE. SHOULD THE FILAMENT NEAR REGION 8889 REFORM,
ANOTHER ERUPTION COULD BE POSSIBLE.
IIA. Resumen de la actividad geofísica 26-2100Z a 27-2100Z
THE GEOMAGNETIC FIELD WAS QUIET TO UNSETTLED. SOLAR WIND VELOCITY
REMAINED ELEVATED AT APPROXIMATELY 550-600 KM/S. ENERGETIC ELECTRON
FLUXES AT GEOSYNCHRONOUS ORBIT REMAINED AT HIGH LEVELS DURING THE
PERIOD.
IIB. Pronóstico de la actividad geofísica
THE GEOMAGNETIC FIELD SHOULD
REMAIN QUIET TO UNSETTLED FOR THE NEXT THREE DAYS. ISOLATED ACTIVE
PERIODS REMAIN POSSIBLE UNTIL SOLAR WIND VELOCITY DECREASES TO
BACKGROUND LEVEL. ENERGETIC ELECTRON FLUXES SHOULD REMAIN ELEVATED
FOR MOST IF NOT ALL OF THE FORECAST PERIOD.
III. Probabilidades del evento 28 FEB a 01 MAR
| Clase M | 70% | 70% | 70% |
| Clase X | 20% | 20% | 20% |
| Protón | 10% | 10% | 10% |
| PCAF | GREEN | ||
IV. Penticton 10.7cm flujo
Observado 27 FEB 227 Previsto 28 FEB-01 MAR 229/231/233 Media de 90 Días 27 FEB 166
V. Índices Geomagnéticos A
OBSERVED AFR/AP 26 FEB 010/012 ESTIMATED AFR/AP 27 FEB 009/008 PREDICTED AFR/AP 28 FEB-01 MAR 008/010-008/008-005/010
VI. Probabilidades de Actividad Geomagnética 28 FEB a 01 MAR
| A. Latitudes Medias | |||
|---|---|---|---|
| Activo | 25% | 15% | 10% |
| Tormenta Menor | 10% | 05% | 05% |
| Tormenta Mayor-Severa | 01% | 01% | 01% |
| B. Latitudes Altas | |||
|---|---|---|---|
| Activo | 25% | 15% | 10% |
| Tormenta Menor | 10% | 15% | 05% |
| Tormenta Mayor-Severa | 01% | 01% | 01% |
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