QRZ.RU EXPRESS от 7 декабря 2025

Опубликовано: 06 декабря 2025 в 1231 UTC
SIDC URSIGRAM 51206
Состояние солнечной активности на 06 декабря 2025, 1230UT
Прогноз SIDC
Солнечные вспышки. Ожидаются вспышки класса M (вероятность >=50%)
Геомагнитное поле: Возмущенное (A>=20, K=4)
Солнечные протоны: Ожидается увеличение возмущенности (уровни активности повысятся,
но точного числового прогноза нет)
Прогноз на 06 декабря 2025: Солнечный поток в диапазоне 10см: 204 / AP-индекс: 011
Прогноз на 07 декабря 2025: Солнечный поток в диапазоне 10см: 202 / AP-индекс: 007
Прогноз на 08 декабря 2025: Солнечный поток в диапазоне 10см: 200 / AP-индекс: 007
Комментарий (на английском языке): Solar Active Regions and flaring: Solar flaring activity over the past 24 hours was low with only C-class flares identified. The strongest activity was a C6.4 flare (SIDC Flare 6304) with peak time 03:09 UTC on Dec 06 associated with SIDC Sunspot Group 709 (NOAA Active Regions 4294). A total of 8 numbered sunspot groups were identified on the visible solar disk. SIDC Sunspot Group 709 (NOAA Active Region 4294) and SIDC Sunspot Group 712 (NOAA Active Region 4296) remain the largest regions, which produced most of the observed flaring activity. They are classified respectively as magnetic type beta-gamma-delta and magnetic type beta-delta. SIDC Sunspot Group 687 (NOAA Active Region 4299) has increased its underlying magnetic field complexity and is currently classified as magnetic type beta-gamma- delta. It has produced a C5.2 flare with peak time 22:48 UTC on Dec 06. The remaining regions have been mostly simple and quiet. The solar flaring activity is expected to be at moderate levels over the next 24 hours with background C-class flaring, likely M-class flares and small chances of isolated X-class flaring. Coronal mass ejections: No other Earth-directed coronal mass ejections (CMEs) have been identified in the available coronagraph imagery over the past 24 hours. Solar wind: Over the past 24 hours the solar wind parameters (as measured by ACE at L1) continued to register the influence of an ongoing high-speed stream. The solar wind speed remained rather fast with a recorded maximum value of 730 km/s. The magnitude of the interplanetary magnetic field, B, was mildly elevated registering values of up to 8 nT. The Bz component was relative weak with a minimum value of -6.3 nT. The B field phi angle was predominantly in the negative sector (directed towards the Sun) reflecting the polarity of the geo-effective coronal hole (SIDC 140). The solar wind conditions are expected to remain elevated over the next days under the ongoing influence of the high-speed stream with chances for additional minor enhancements on Dec 06 and Dec 07 related to any possible glancing blow influence from the modelled CMEs, which launched from the Sun on Dec 03 and Dec 04. Geomagnetism: The geomagnetic conditions over the past 24 hours were quiet to active. Quiet at active conditions are expected to prevail over the next 24 hours with remaining chances for isolated minor storm levels due to an ongoing influence of a high speed stream mixed with any possible minor glancing blow. Proton flux levels: Over the past 24 hours the greater than 10 MeV GOES proton flux has been at nominal levels and is expected to remain so over the next days with small chances for some enhancements related to possible high flaring activity. Electron fluxes at GEO: The greater than 2 MeV electron flux (as measured by GOES 18 and GOES 19) has briefly exceeded the 1000 pfu threshold over the last 24 hours. It is exceed to exceed the 1000 pfu threshold again in the next 24 hours. The 24-hour electron fluence was at nominal levels and is expected to increase towards moderate levels over the next 24 hours and remain at moderate levels over the next days.Сегодняшнее значение числа солнечных пятен (International Sunspot Number): 159,
получено на основе анализа результатов 04 станций наблюдения.
Солнечные индексы за 05 Dec 2025
Число Вольфа по данным обсерватории Катания (IT9): 223
Солнечный поток в диапазоне 10см: 206
A-индекс по данным обсерватории Chambon-la-Foret (F): 023
A-индекс по данным обсерватории Wingst (DL): 016
Планетарный А-индекс Ap: 015
Вчерашнее значение числа солнечных пятен (International Sunspot Number): 167,
получено на основе анализа результатов 14 станций наблюдения.
Прошедшие события на Солнце:
DAY BEGIN MAX END LOC XRAY OP 10CM Catania/NOAA RADIO_BURST_TYPES
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