QRZ.RU EXPRESS от 28 августа 2025

Опубликовано: 27 августа 2025 в 1231 UTC
SIDC URSIGRAM 50827
Состояние солнечной активности на 27 августа 2025, 1230UT
Прогноз SIDC
Солнечные вспышки. Ожидаются вспышки класса M (вероятность >=50%)
Геомагнитное поле: Возмущенное (A>=20, K=4)
Солнечные протоны: Сегодня возможна вспышка (10 pfu at >10 MeV)
Прогноз на 27 августа 2025: Солнечный поток в диапазоне 10см: 202 / AP-индекс: 007
Прогноз на 28 августа 2025: Солнечный поток в диапазоне 10см: 202 / AP-индекс: 007
Прогноз на 29 августа 2025: Солнечный поток в диапазоне 10см: 202 / AP-индекс: 007
Комментарий (на английском языке): Solar Active Regions and flaring: Solar flaring activity was moderate over the past 24 hours, with 1 M-class flare identified. This was an M1.0 flare (SIDC Flare 5239) peaking on August 26 at 14:07 UTC, which was produced by SIDC Sunspot Group 592 (NOAA Active Regions 4202). A total of 14 numbered sunspot groups were identified on the disk over the past 24 hours. Solar flaring activity is expected to be moderate over the next 24 hours, with M-class flares likely. Coronal mass ejections: No Earth-directed Coronal Mass Ejections (CMEs) have been observed in the last 24 hours. Coronal holes: SIDC Coronal Hole 126 (northern mid-latitude coronal hole with negative polarity) is located in the western hemisphere, its associated high speed stream may still reach the Earth today. Solar wind: The Earth is inside slow solar wind with speeds around 350 km/s and interplanetary magnetic fields of about 7 nT (directed towards the Sun, negative polarity). The high speed stream from SIDC Coronal Hole 126 has not arrived to the Earth, it may still do so today (with minor influence expected). Geomagnetism: Geomagnetic conditions have been quiet (Kp and B_Bel between 0 and 2). Quiet to unsettled periods are expected for the next 24 hours. Proton flux levels: The greater than 10 MeV proton flux passed above the 10 pfu threshold on 26 August, and is currently at 12 pfu. The proton levels started to slowly increase on 22 August (as the result of a backsided CME on 21 August) and have gradually approached the threshold. Since 25 August the levels were very close to the 10 pfu mark. The flux will remain elevated in the next 24 hours, but no strong additional increases are expected. Electron fluxes at GEO: The greater than 2 MeV electron flux as measured by GOES 18 and 19 remained below the 1000 pfu alert threshold, similar conditions expected for the next 24 hours. The 24 h electron fluence was at normal levels and is expected to remain so.Сегодняшнее значение числа солнечных пятен (International Sunspot Number): 199,
получено на основе анализа результатов 12 станций наблюдения.
Солнечные индексы за 26 Aug 2025
Число Вольфа по данным обсерватории Катания (IT9): 172
Солнечный поток в диапазоне 10см: 202
A-индекс по данным обсерватории Chambon-la-Foret (F): 011
A-индекс по данным обсерватории Wingst (DL): 008
Планетарный А-индекс Ap: 009
Вчерашнее значение числа солнечных пятен (International Sunspot Number): 187,
получено на основе анализа результатов 26 станций наблюдения.
Прошедшие события на Солнце:
DAY BEGIN MAX END LOC XRAY OP 10CM Catania/NOAA RADIO_BURST_TYPES
26 1339 1407 1432 ////// M1.0 ///4202 III/1VI/1