Viendo archivo del sábado, 25 abril 1998
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 1998 Apr 25 2200 UTCPreparado por NOAA © SWPC y procesado por SpaceWeatherLive.com
Informe conjunto USAF/NOAA de actividad Solar y Geofísica
SDF Número 115 Publicado el 2200Z a las 25 APR 1998IA. Análisis de regiones solares activas y de actividad desde 24-2100Z hasta 25-2100Z SOLAR ACTIVITY WAS LOW. REGION 8210 (S16E67) PRODUCED
TWO C-CLASS FLARES, A C3/SF LONG DURATION EVENT AT 25/1439Z AND A
C1/1F AT 25/1806Z WITH AN ASSOCIATED HIGH SPEED SURGE. BOTH FLARES
WERE ACCOMPANIED BY MINOR DISCRETE RADIO ACTIVITY. THIS REGION HAS
GROWN TO A DAO SPOT GROUP, BUT APPEARS TO BE MAGNETICALLY SIMPLE
THUS FAR. A THIRD C-CLASS EVENT, AN UNCORRELATED C1 X-RAY BURST, WAS
DETECTED AT 25/1123Z. NEW REGION 8211 (S22W12), A SIMPLE AXX SPOT,
WAS NUMBERED TODAY. THIS REGION RESIDES IN AN EXTENSIVE PLAGE FIELD
THAT APPEARS RIPE FOR DEVELOPMENT.
IB. Pronóstico de la actividad solar
SOLAR ACTIVITY IS EXPECTED TO BE LOW
TO MODERATE. REGION 8210 HAS A GOOD CHANCE OF PRODUCING FURTHER
C-CLASS ACTIVITY, A FAIR CHANCE OF M-CLASS ACTIVITY, AND A CHANCE OF
ISOLATED X-CLASS ACTIVITY OVER THE ENTIRE FORECAST PERIOD.
IIA. Resumen de la actividad geofísica 24-2100Z a 25-2100Z
THE GEOMAGNETIC FIELD WAS QUIET TO ACTIVE FOR MOST OF THE PERIOD WITH
A SHORT PERIOD OF MINOR STORMING AT THE BEGINNING OF THE UT DAY. THE
GREATER THAN 2 MEV ENERGETIC ELECTRON FLUX REACHED HIGH LEVELS AT
25/1650Z.
IIB. Pronóstico de la actividad geofísica
THE GEOMAGNETIC FIELD IS
EXPECTED TO BE QUIET TO UNSETTLED FOR THE ENTIRE FORECAST PERIOD.
III. Probabilidades del evento 26 APR a 28 APR
| Clase M | 15% | 20% | 20% |
| Clase X | 10% | 10% | 10% |
| Protón | 05% | 05% | 05% |
| PCAF | GREEN | ||
IV. Penticton 10.7cm flujo
Observado 25 APR 092 Previsto 26 APR-28 APR 094/096/096 Media de 90 Días 25 APR 104
V. Índices Geomagnéticos A
OBSERVED AFR/AP 24 APR 023/035 ESTIMATED AFR/AP 25 APR 018/015 PREDICTED AFR/AP 26 APR-28 APR 015/012-010/010-005/008
VI. Probabilidades de Actividad Geomagnética 26 APR a 28 APR
| A. Latitudes Medias | |||
|---|---|---|---|
| Activo | 25% | 15% | 10% |
| Tormenta Menor | 10% | 05% | 05% |
| Tormenta Mayor-Severa | 05% | 01% | 01% |
| B. Latitudes Altas | |||
|---|---|---|---|
| Activo | 25% | 20% | 15% |
| Tormenta Menor | 10% | 10% | 10% |
| Tormenta Mayor-Severa | 05% | 05% | 05% |
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