Viendo archivo del domingo, 27 diciembre 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 Dec 27 2200 UTCPreparado por NOAA © SWPC y procesado por SpaceWeatherLive.com
Informe conjunto USAF/NOAA de actividad Solar y Geofísica
SDF Número 361 Publicado el 2200Z a las 27 DEC 1998IA. Análisis de regiones solares activas y de actividad desde 26-2100Z hasta 27-2100Z SOLAR ACTIVITY WAS LOW. TODAY'S ACTIVITY WAS
CHARACTERIZED BY OCCASIONAL C-CLASS FLARES. THE LARGEST OF THESE WAS
A C7/SF FROM REGION 8419 (N27W27) AT 26/2344Z. REGION 8419 GREW
CONSIDERABLY OVER THE LAST 24 HOURS; THE PENUMBRA IN THE GROUP HAS
DEVELOPED AND MATURED AND OBSERVATIONS TOWARD THE END OF THE DAY
INDICATED THE PRESENCE OF A MAGNETIC DELTA CONFIGURATION IN THE
REGION. REGION 8421 (N27E26) SHOWED A LITTLE GROWTH AND OCCASIONAL
SUBFLARES DURING THE DAY. REGION 8422 (S23E38) PRODUCED A FEW
SUBFLARES BUT WAS ESSENTIALLY STABLE. BACKGROUND FLUX LEVELS FOR
X-RAYS AND 10.7 CM INCREASED DURING THE PAST 24 HOURS IN ASSOCIATION
WITH THE GROWTH OF REGION 8419.
IB. Pronóstico de la actividad solar
SOLAR ACTIVITY IS EXPECTED TO BE LOW
TO MODERATE. THERE IS A FAIR CHANCE FOR AN ISOLATED M-CLASS EVENT
FROM REGIONS 8419 AND 8421.
IIA. Resumen de la actividad geofísica 26-2100Z a 27-2100Z
THE GEOMAGNETIC FIELD WAS PREDOMINANTLY QUIET DURING THE PAST 24
HOURS. THERE WERE SOME UNSETTLED CONDITIONS BETWEEN 26/2100UT AND
27/0000UT, BUT THE FIELD HAS BEEN VERY QUIET FROM THE START OF THE
UT DAY (27/0000UT) TO THE END OF THE PERIOD (27/2100UT).
IIB. Pronóstico de la actividad geofísica
THE GEOMAGNETIC FIELD IS
EXPECTED TO BE QUIET TO UNSETTLED FOR THE NEXT THREE DAYS.
III. Probabilidades del evento 28 DEC a 30 DEC
| Clase M | 50% | 50% | 50% |
| Clase X | 10% | 10% | 10% |
| Protón | 10% | 10% | 10% |
| PCAF | GREEN | ||
IV. Penticton 10.7cm flujo
Observado 27 DEC 167 Previsto 28 DEC-30 DEC 165/165/160 Media de 90 Días 27 DEC 134
V. Índices Geomagnéticos A
OBSERVED AFR/AP 26 DEC 012/016 ESTIMATED AFR/AP 27 DEC 005/007 PREDICTED AFR/AP 28 DEC-30 DEC 005/009-010/011-005/009
VI. Probabilidades de Actividad Geomagnética 28 DEC a 30 DEC
| A. Latitudes Medias | |||
|---|---|---|---|
| Activo | 05% | 10% | 05% |
| Tormenta Menor | 01% | 05% | 01% |
| Tormenta Mayor-Severa | 01% | 01% | 01% |
| B. Latitudes Altas | |||
|---|---|---|---|
| Activo | 05% | 10% | 05% |
| Tormenta Menor | 01% | 05% | 01% |
| Tormenta Mayor-Severa | 01% | 01% | 01% |
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