QRZ.RU EXPRESS от 4 апреля 2022

Опубликовано: 2022 Apr 03 1304 UTC
SIDC URSIGRAM 20403
Состояние солнечной активности на 03 Apr 2022, 1302UT
Прогноз сделан для периода с 1230UT, 03 Apr 2022 до 05 Apr 2022)
Солнечная активность: очень низкая. Вероятность вспышек C-класса менее 50%
Геомагнитное поле: Спокойное состояние (A<20 and K<4)
Солнечные протоны: Спокойное состояние
Прогноз на 03 Apr 2022: плотность потока солнечного излучения: 143, A-индекс: 011
Прогноз на 04 Apr 2022: плотность потока солнечного излучения: 142, A-индекс: 008
Прогноз на 05 Apr 2022: плотность потока солнечного излучения: 141, A-индекс: 005
Комментарий (на английском языке): Solar activity has been moderate over the past 24 hours. The flare of greatest X-ray output has been the M4.3-class flare, peak time April 2nd 17:44UTC, possible active region (AR) of origin NOAA 2975. The newly emerged nearby AR 2984 was possibly the origin of an M3.9 class flare, peak time 13:55UTC. The complex of regions 2975, 2976, 2984 lies on the NW limb and should still be monitored for flaring activity. The complex of AR 2981 and 2978 (about central meridian, southern hemisphere) have also been the origin of C-class flaring and should be monitored. Newly emerged AR 2985 is present on SE. Over the next 24 hours, C-class flares will most likely happen, M-class flares can be expected and X-ray flares cannot be excluded. The M3.9-class flare was associated with a radio burst of type II at 13:23UTC and a Coronal Mass Ejection (CME) detected by CACTus on April 2nd 13:48UTC. This is not believed to be Earth directed. The proton flux of >10MeV exceeded the 10pfu threshold on April 2nd between 14:30UTC and 16:00UT, as a result of the M3.9 class flare and then again April 3rd 00:05-00:10UTC. Over the next 24 hours, it is expected to slowly decrease, but an event cannot be excluded taking into account the latest flaring activity. The greater than 2 MeV electron flux crossed the 1000 pfu alert threshold on April 3rd 09:36UTC. It is expected to remain above threshold over the next 24 hours. The greater than 2 MeV electron fluence was about moderate levels the past 24 hours. It is expected to be at moderate over the next 24 hours. Over the past 24 hours, the magnetic field values ranged from 2 to 8nT, while Bz fluctuated between -5 and +4 nT. The solar wind speed decreased to 460 km/s. The interplanetary magnetic field phi angle was predominately on the negative sector (towards the Sun). An equatorial, negative polarity coronal hole formed on the eastern hemisphere. Over the next 24 hours, we expect the solar wind to remain about those levels, due to waning high speed stream influence. Over the past 24 hours, geomagnetic conditions were quiet to unsettled, with two periods of active conditions April 02nd 18:00-21:00UTC (Kp=K_Bel=4) and April 03rd 00:00-03:00UTC (K_Bel=4). Over the next 24 hours, quiet to unsettled conditions can be expected.Сегодняшнее значение числа солнечных пятен (International Sunspot Number): 109,
получено на основе анализа результатов 15 станций наблюдения.
Солнечные индексы за 02 Apr 2022
Число Вольфа по данным обсерватории Катания (IT9): ///
Плотность потока излучения: 143
A-индекс по данным обсерватории Chambon-la-Foret (F): ///
A-индекс по данным обсерватории Wingst (DL): 020
Планетарный А-индекс Ap: 024
Вчерашнее значение числа солнечных пятен (International Sunspot Number): 109,
получено на основе анализа результатов 22 станций наблюдения.
Прошедшие события на Солнце:
DAY BEGIN MAX END LOC XRAY OP 10CM Catania/NOAA RADIO_BURST_TYPES
02 1256 1355 1444 N15W61 M3.9 SN 65/2976 II/2
02 1734 1744 1751 N14W78 M4.3 1N 110 64/2975