Viendo archivo del lunes, 16 julio 2012

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 2012 Jul 16 2200 UTC
Preparado por NOAA © SWPC y procesado por SpaceWeatherLive.com

Informe conjunto USAF/NOAA de actividad Solar y Geofísica

SDF Número 198 Publicado el 2200Z a las 16 Jul 2012

IA. Análisis de regiones solares activas y de actividad desde 15-2100Z hasta 16-2100Z

Solar activity was low. Region 1520 (S16W58) produced todays largest event, a C7/Sf with maximum at 16/2003Z. Additional low level C-class events were observed during the period with regions 1520, 1519 (S17W81), 1521 (S22W71), and 1522 (N11W76) all contributing. All of the spotted regions on the disk were generally unchanged or slowly declining. There were some preliminary observations indicating a new region (yet to be numbered) rotating onto the disk in the southern hemisphere. No Earth-directed CMEs were observed during the past 24 hours. (NOTE: todays F10.7 flux is based on the morning 1800Z reading because the 2000Z observation was flare enhanced).
IB. Pronóstico de la actividad solar
Solar activity is expected to be low, but with a continued chance for an isolated M-class event. Region 1520 is the most likely source. A decline in activity and background levels is expected on the third day as Regions 1519, 1520, and 1521 cross west limb.
IIA. Resumen de la actividad geofísica 15-2100Z a 16-2100Z
The geomagnetic field ranged from unsettled to major storm levels (estimated Kp between 3 and 6). The period began with a continuation of storm level activity in response to the 12 July CME. Activity gradually subsided with mostly active conditions (estimated Kp of 4) from 0600-1500Z and unsettled levels for the remainder of the period. There were some lingering major storm intervals at high latitudes in the 0600-1800Z timeframe. Solar wind observations from ACE showed a continuation of the CME passage: initial values of the Z-component of the interplanetary magnetic field were around -15 nT and slowly weakened through the day, finally turning northwards at 1424Z. A second, much weaker phase of southward Bz began at 1755Z with maximum value around -4.5 nT. Solar wind velocity declined also, with initial values around 510 km/s and end-of-day values around 440 km/s.
IIB. Pronóstico de la actividad geofísica
Geomagnetic activity is expected to be unsettled with a chance for active periods during the next 24 hours (17 July). In addition, there is a chance for isolated minor to major storm periods at high latitudes during the earlier part of 17 July. Solar wind driving of the magnetosphere is expected to continue to decrease in intensity throughout the day and predominantly quiet levels are expected for the second and third days (18-19 July).
III. Probabilidades del evento 17 Jul a 19 Jul
Clase M40%40%30%
Clase X05%05%05%
Protón05%05%05%
PCAFgreen
IV. Penticton 10.7cm flujo
  Observado       16 Jul 138
  Previsto   17 Jul-19 Jul  135/120/105
  Media de 90 Días        16 Jul 129
V. Índices Geomagnéticos A
  Observado Afr/Ap 15 Jul  039/086
  Estimado     Afr/Ap 16 Jul  021/032
  Previsto    Afr/Ap 17 Jul-19 Jul  007/012-006/005-007/005
VI. Probabilidades de Actividad Geomagnética 17 Jul a 19 Jul
A. Latitudes Medias
Activo10%05%05%
Tormenta Menor01%01%01%
Tormenta Mayor-Severa01%01%01%
B. Latitudes Altas
Activo15%15%15%
Tormenta Menor20%10%10%
Tormenta Mayor-Severa10%05%05%

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