Viendo archivo del miércoles, 28 abril 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 Apr 28 2200 UTCPreparado por NOAA © SWPC y procesado por SpaceWeatherLive.com
Informe conjunto USAF/NOAA de actividad Solar y Geofísica
SDF Número 118 Publicado el 2200Z a las 28 APR 1999IA. Análisis de regiones solares activas y de actividad desde 27-2100Z hasta 28-2100Z SOLAR ACTIVITY WAS LOW DUE TO A C3 X-RAY FLARE AT
28/2032UT. NO OPTICAL FLARE REPORTS CORRELATED TO THIS C-FLARE WERE
RECEIVED. REGION 8524 (N22W02) CONTINUED TO GROW BUT APPEARS TO BE
MATURING AS A MODERATE-SIZED E-TYPE GROUP. OTHER DISK REGIONS HAVE
CHANGED LITTLE.
IB. Pronóstico de la actividad solar
SOLAR ACTIVITY IS EXPECTED TO BE LOW.
C-CLASS ACTIVITY IS POSSIBLE IN REGIONS 8523 (N32W09) AND 8524
(N22W02).
IIA. Resumen de la actividad geofísica 27-2100Z a 28-2100Z
THE GEOMAGNETIC FIELD WAS QUIET TO ACTIVE. MOST ACTIVITY OCCURRED
DURING THE 06-12UT PERIODS.
IIB. Pronóstico de la actividad geofísica
THE GEOMAGNETIC FIELD IS
EXPECTED TO BE QUIET TO UNSETTLED. ISOLATED ACTIVE PERIODS ARE
POSSIBLE. ACTIVITY LEVELS MAY INCREASE BY THE END OF THE FORECAST
PERIOD DUE TO CORONAL HOLE EFFECTS.
III. Probabilidades del evento 29 APR a 01 MAY
| Clase M | 05% | 05% | 05% |
| Clase X | 01% | 01% | 01% |
| Protón | 01% | 01% | 01% |
| PCAF | GREEN | ||
IV. Penticton 10.7cm flujo
Observado 28 APR 110 Previsto 29 APR-01 MAY 110/110/115 Media de 90 Días 28 APR 128
V. Índices Geomagnéticos A
OBSERVED AFR/AP 27 APR 009/014 ESTIMATED AFR/AP 28 APR 012/018 PREDICTED AFR/AP 29 APR-01 MAY 010/025-015/025-015/030
VI. Probabilidades de Actividad Geomagnética 29 APR a 01 MAY
| A. Latitudes Medias | |||
|---|---|---|---|
| Activo | 15% | 15% | 15% |
| Tormenta Menor | 10% | 10% | 10% |
| Tormenta Mayor-Severa | 05% | 05% | 05% |
| B. Latitudes Altas | |||
|---|---|---|---|
| Activo | 15% | 15% | 15% |
| Tormenta Menor | 10% | 10% | 10% |
| Tormenta Mayor-Severa | 05% | 05% | 05% |
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