Viendo archivo del viernes, 17 junio 2005
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 2005 Jun 17 2210 UTC# Prepared jointly by the U.S. Dept. of Commerce, NOAA, #Space Environment Center and the U.S. Air Force. #
Informe conjunto USAF/NOAA de actividad Solar y Geofísica
SDF Número 168 Publicado el 2200Z a las 17 Jun 2005IA. Análisis de regiones solares activas y de actividad desde 16-2100Z hasta 17-2100Z Solar activity is expected to be low. Newly numbered
Region 780 (S07E66) produced the only C-class activity of the
period, a C1 flare at 17/1904Z. Active Regions 775 (N10, L=055) and
776 (S05, L=046) have both rotated around the west limb. A post CME
loop system on the west limb persisted through the early part of
this period following yesterday's M4 proton flare from Region 775.
Region 779 (S18W19) continues to slowly grow and is now an E-type
beta-gamma spot group; however, no activity of note occurred.
IB. Pronóstico de la actividad solar
Solar activity is expected to be low.
C-class flares are possible from Regions 779 and 780.
IIA. Resumen de la actividad geofísica 16-2100Z a 17-2100Z
The geomagnetic field was quiet to active. The most disturbed
conditions occurred early in the period during intervals of
sustained southward Bz. Solar wind speed decreased from over 650
km/s to under 550 km/s by the end of the period. The elevated solar
wind conditions are due to the combined effects of CME transient
flow and a high speed coronal hole stream. A greater than 100 MeV
proton event began at 16/2125Z following yesterday's M4 flare. The
event ended at 17/0730Z with a peak flux of 2.9 pfu at 16/2315Z. A
greater than 10 MeV proton event began at 16/2200Z, peaked at
17/0500Z at 44 pfu, and ended at 17/1805Z. The greater than 2 MeV
electron flux at geosynchronous orbit was at high levels again
today.
IIB. Pronóstico de la actividad geofísica
The geomagnetic field is
expected to range from quiet to minor storm levels. Elevated solar
wind speed is expected to produce occasional active conditions on 18
June. It is unlikely that much of the ejecta associated with
yesterday's M4 flare and CME is Earth directed; however, a glancing
blow may create active to minor storm periods on 19 June. Quiet to
unsettled levels are expected on 20 June. The greater than 10 and
greater than 100 MeV protons are expected to return to background
levels over the next day.
III. Probabilidades del evento 18 Jun a 20 Jun
| Clase M | 10% | 10% | 10% |
| Clase X | 01% | 01% | 01% |
| Protón | 10% | 05% | 01% |
| PCAF | Yellow | ||
IV. Penticton 10.7cm flujo
Observado 17 Jun 091 Previsto 18 Jun-20 Jun 090/090/090 Media de 90 Días 17 Jun 093
V. Índices Geomagnéticos A
Observado Afr/Ap 16 Jun 019/026 Estimado Afr/Ap 17 Jun 015/014 Previsto Afr/Ap 18 Jun-20 Jun 012/015-015/020-010/012
VI. Probabilidades de Actividad Geomagnética 18 Jun a 20 Jun
| A. Latitudes Medias | |||
|---|---|---|---|
| Activo | 25% | 35% | 20% |
| Tormenta Menor | 10% | 15% | 05% |
| Tormenta Mayor-Severa | 05% | 05% | 01% |
| B. Latitudes Altas | |||
|---|---|---|---|
| Activo | 30% | 40% | 25% |
| Tormenta Menor | 15% | 20% | 10% |
| Tormenta Mayor-Severa | 05% | 10% | 05% |
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