Просмотр архива за воскресенье, 13 июля 2003
Отчет о солнечной активности
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.
Отчет о солнечно-геофизической активности 2003 Jul 13 2200 UTCПодготовлено NOAA © SWPC и представлено SpaceWeatherLive.com
Совместный отчет USAF/NOAA о солнечной и геофизической активности
Количество SD 194 на уровне 2200Z 13 Jul 2003IA. Анализ активных солнечных регионов и активности от 12 - 2100Z до 13 - 2100Z Solar activity was low. Today's activity consisted of a
few, low-level C-class subflares. Newly assigned Region 409 (N16E66)
rotated more fully into view today and was one of the most active
regions. This group is currently the largest on the disk and was the
source of recent flare activity observed on and near the northeast
limb during the last couple of days. Region 401 (S10W31) showed some
development of new spots in the central part of the group but was
stable and quiet. Two additional regions were assigned today: Region
408 (N13E23), a small newly emerged group, and Region 410 (S13E63),
also a small group that has just rotated into view. A thirteen
degree filament located near N26W08 disappeared between 0100-0900
UTC. Post-eruption arcades were visible in SXI and EIT-195 images.
IB. Прогноз солнечной активности
Solar activity is expected to be
mostly low, but there is a chance for an isolated M-class event over
the next three days, with Regions 409 and 401 the most likely
sources.
IIA. Обзор геофизической активности от 12 - 2100Z до 13 - 2100Z
The geomagnetic field was unsettled to active during the past 24
hours. Solar wind speeds remain somewhat elevated today (around
500-600 km/s), but are lower than yesterday and show an overall
declining trend. The greater than 2 MeV electron fluxes were at high
levels today.
IIB. Прогноз геофизической активности
The geomagnetic field is
expected to be mostly active over the next three days. Some
persistence of today's activity is expected to linger into tomorrow.
It is possible that transient flow may arrive sometime during the
next three days from the M3 flare of 10 July or from any of the
recent filament eruptions. However, ACE EPAM data do not indicate
the presence of a strong interplanetary shock at this time, making
transient drivers seem less probable than previously. The onset of
effects from another high speed wind stream are expected on day two
or day three as a new coronal hole will be rotating into favorable
position.
III. Вероятность события от 14 - Jul до 16 - Jul
| M-класс | 40% | 40% | 40% |
| X-класс | 05% | 05% | 05% |
| Протон | 05% | 05% | 05% |
| PCAF | green | ||
IV. Радиоизлучение λ = 10,7см
Наблюдаемый 13 Jul 127 Прогнозируемый 14 Jul-16 Jul 130/130/130 среднее значение за последние 3 месяца 13 Jul 125
V. Геомагнитные индексы
Наблюдаемый Afr/Ap 12 Jul 025/046 По оценкам Afr/Ap 13 Jul 015/015 Прогнозируемый Afr/Ap 14 Jul-16 Jul 020/020-020/030-020/025
VI. Вероятность геомагнитной активности с 14 - Jul до 16 - Jul
| A. Средние широты | |||
|---|---|---|---|
| Активно | 35% | 35% | 35% |
| Слабый шторм | 20% | 20% | 20% |
| Большой шторм | 10% | 10% | 10% |
| B. Высокие широты | |||
|---|---|---|---|
| Активно | 35% | 35% | 35% |
| Слабый шторм | 25% | 25% | 25% |
| Большой шторм | 15% | 15% | 15% |
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