Перегляд архіву четвер, 9 листопада 2017

Щоденний бюлетень про сонячну та геомагнітну активність від SIDC

Випущено: 2017 Nov 09 1230 UTC

Прогноз SIDC

Сонячні спалахи

Quiet conditions (<50% probability of C-class flares)

Геомагнетизм

Active conditions expected (A>=20 or K=4)

Сонячні протони

Quiet

	10 см потік	Ap
09 Nov 2017	068	022
10 Nov 2017	068	019
11 Nov 2017	068	006

Бюлетень

The solar activity is quiet as the solar disc remains spotless; no flares and no active regions have been recorded in past 24 h on the disc. The X-ray flux is expected to remain below C level.

No Earth directed Coronal Mass Ejections have been observed and the solar protons flux remained at background levels over the past 24 hours.

The Earth remained in the fast solar wind with a speed of about 600-650 km/s. On Nov 09 early morning the solar wind started to decrease slowly to reached the speed of 550 km/s. The interplanetary magnetic field magnitude has also slowly decreased from 7 nT to below 5 nT. The Bz component was fluctuating between -7 and 7 nT being mainly negative and is currently around -5 nT. The solar wind speed is expected to continue to decrease until it reaches its nominal level by tomorrow.

Due to the fast solar wind and the Bz component of the interplanetary magnetic field being manly southward, unsettle to disturb geomagnetic conditions were observed with local K Dourbes 2-5 and NOAA Kp 3-5. The geomagnetic conditions are expected to remain disturb as long as the Earth remains in the solar wind flow associated with the high speed stream coming from the coronal hole (that has crossed the central meridian on Nov 4). Minor geomagnetic storms cannot be excluded, especially if Bz component remains negative for long period of time.

Розрахунок міжнародної кількості сонячних плям станом на сьогодні (ISN): 000, за даними 16 станцій.

Сонячні індекси за 08 Nov 2017

Число Вольфа, Катанія	000
Сонячний потік 10 см	068
AK Chambon La Forêt	053
AK Wingst	041
Розрахунковий індекс Ap	049
Розрахункова міжнародна кількість сонячних плям	000 - За даними 11 станцій

Зведення помітних подій

Надано Центром Аналізу Даних Сонячного Впливу (SIDC)© - SIDC - Оброблено SpaceWeatherLive

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