Viendo archivo del martes, 18 julio 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 Jul 18 2200 UTCPreparado por NOAA © SWPC y procesado por SpaceWeatherLive.com
Informe conjunto USAF/NOAA de actividad Solar y Geofísica
SDF Número 200 Publicado el 2200Z a las 18 JUL 2000IA. Análisis de regiones solares activas y de actividad desde 17-2100Z hasta 18-2100Z SOLAR ACTIVITY REMAINED AT A MODERATE LEVEL. DECAYING
REGION 9077 (N18W57) PRODUCED AN M1/2B FLARE AT 18/0515Z WITH WEAK
TYPE II AND IV BURSTS. REGION 9087 (S12E12) GENERATED AN M3/2N
FLARE AT 18/1419Z. THIS REGION ALSO GENERATED A LONG DURATION M3/2N
AT 18/1945Z. IN THE LAST 24 HOURS, THIS REGION EXHIBITED
SIGNIFICANT GROWTH JUST AHEAD OF THE PREEXISTING LEADER SPOTS. IT
IS LIKELY THAT A DELTA CONFIGURATION FORMED ALSO INDICATING THE
PRESENCE OF STRONG MAGNETIC GRADIENTS. SEVERAL NEW REGIONS WERE
NUMBERED. THE MOST SIGNIFICANT WAS REGION 9097 (N06E76) THAT
ROTATED ONTO THE DISK WITH BRIGHT COMPACT PLAGE, A MODERATE SIZE D
CLASS SUNSPOT GROUP, AND FREQUENT SUBFLARES.
IB. Pronóstico de la actividad solar
SOLAR ACTIVITY SHOULD BE MODERATE TO
HIGH. A POSSIBILITY REMAINS OF A DECAY PHASE MAJOR FLARE FROM
REGION 9077. HOWEVER, REGION 9087 SHOULD BEGIN TO PRODUCE MORE
FREQUENT M-CLASS EVENTS DUE TO NEARBY FLUX EMERGENCE. IF THE AREA
OF NEW FLUX BEGINS TO MERGE WITH THE PREEXISTING FIELDS, MAJOR
FLARES WILL BECOME LIKELY.
IIA. Resumen de la actividad geofísica 17-2100Z a 18-2100Z
THE GEOMAGNETIC FIELD WAS QUIET TO SLIGHTLY UNSETTLED. SOLAR WIND
VELOCITY REMAINED ELEVATED, AT TIMES EXCEEDING 600 KM/S. THE
GREATER THAN 10 MEV FLUX BEGAN THE PERIOD AT APPROXIMATELY 50 PFU
AND DECLINED SLOWLY TO NEAR 20 PFU AT THE END OF THE PERIOD. AN
INTERMITTENT FORBUSH DECREASE WAS IN PROGRESS DURING THE DAY.
IIB. Pronóstico de la actividad geofísica
THE GEOMAGNETIC FIELD SHOULD BE
PREDOMINANTLY QUIET TO UNSETTLED FOR THE NEXT THREE DAYS.
OCCASIONAL ACTIVE PERIODS ARE POSSIBLE DURING THAT TIME. BASED UPON
THE CURRENT DECAY RATE OF THE GREATER THAN 10 MEV PROTON FLUX, THIS
EVENT SHOULD DECREASE BELOW THRESHOLD LATE ON 19 JUL.
III. Probabilidades del evento 19 JUL a 21 JUL
| Clase M | 90% | 90% | 90% |
| Clase X | 40% | 40% | 40% |
| Protón | 99% | 50% | 40% |
| PCAF | YELLOW | ||
IV. Penticton 10.7cm flujo
Observado 18 JUL 249 (ESTIMATED) Previsto 19 JUL-21 JUL 255/260/255 Media de 90 Días 18 JUL 187
V. Índices Geomagnéticos A
OBSERVED AFR/AP 17 JUL 008/009 ESTIMATED AFR/AP 18 JUL 008/008 PREDICTED AFR/AP 19 JUL-21 JUL 010/010-012/012-012/012
VI. Probabilidades de Actividad Geomagnética 19 JUL a 21 JUL
| A. Latitudes Medias | |||
|---|---|---|---|
| Activo | 20% | 25% | 25% |
| Tormenta Menor | 10% | 10% | 10% |
| Tormenta Mayor-Severa | 05% | 05% | 05% |
| B. Latitudes Altas | |||
|---|---|---|---|
| Activo | 20% | 30% | 30% |
| Tormenta Menor | 10% | 15% | 15% |
| Tormenta Mayor-Severa | 05% | 05% | 05% |
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