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Щоденний бюлетень про сонячну та геомагнітну активність від SIDC

Випущено: 2019 Mar 02 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
02 Mar 2019	070	022
03 Mar 2019	071	027
04 Mar 2019	071	016

Бюлетень

Over the past 24 hours solar activity has been low. No significant flares have been recorded. No significant Active Regions (AR) or filament channels are present on the solar disk. A small, currently unnamed, AR rotated on to the East Solar limb, it appears to be producing little activity. The greater-than 10 MeV proton flux was at nominal levels. A negative polarity equatorial coronal hole (CH) is spread across the Western hemisphere of the Sun. No Earth directed Coronal Mass Ejections (CMEs) have been detected. A small eruption was observed off of the West solar limb, but the source region is not clear, and appears to be back-sided.

Solar activity is expected to remain at low levels.

The solar wind speed has fluctuated between 550 and 600 km/s (DSCOVR) over the past 24 hours. The total magnetic field strength has fluctuated around 5 nT (DSCOVR). The Bz component has been largely negative, ranging between -6 and +5 nT. Geomagnetic conditions ranged between Kp index 3-4 (NOAA) and local K index 3-4 (Dourbes) over the past 24 hours. The enhanced geomagnetic activity is due to the Earth being under the influence of a HSS associated with the coronal hole that has rotated across the Western hemisphere of the Sun. We can expect to be under the influence of the HSS for the next few days.

Geomagnetic activity is expected to fluctuate around active levels, with a chance of Minor storms.

Розрахунок міжнародної кількості сонячних плям станом на сьогодні (ISN): 000, за даними 12 станцій.

Сонячні індекси за 01 Mar 2019

Число Вольфа, Катанія	000
Сонячний потік 10 см	070
AK Chambon La Forêt	035
AK Wingst	032
Розрахунковий індекс Ap	031
Розрахункова міжнародна кількість сонячних плям	000 - За даними 16 станцій

Зведення помітних подій

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

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