Просмотр архива за пятница, 31 июля 2015
Daily bulletin on solar and geomagnetic activity from the SIDC
Существующий: 2015 Jul 31 1230 UTC
SIDC Forecast
Солнечные вспышки
Quiet conditions (<50% probability of C-class flares)
Geomagnetism
Active conditions expected (A>=20 or K=4)
Солнечные протоны
Quiet
| 10cm flux | Ap | |
|---|---|---|
| 31 Jul 2015 | 102 | 022 |
| 01 Aug 2015 | 104 | 017 |
| 02 Aug 2015 | 106 | 007 |
Bulletin
Solar activity is low, no C-class flares in past 24 h and the situation is not expected to change in the coming hours.
The Earth is under the influence of a fast speed stream emanating from a coronal hole, solar wind speeds are around 500 km/s with interplanetary magnetic field magnitudes of 10 nT. Active conditions were observed overnight and more active to minor storm periods can be expected in the next 48 hours.
Today's estimated international sunspot number (ISN): 080, based on 25 stations.Solar indices for 30 Jul 2015
| Wolf number Catania | 100 |
| 10cm solar flux | 102 |
| AK Chambon La Forêt | 024 |
| AK Wingst | 020 |
| Estimated Ap | 017 |
| Estimated international sunspot number | 086 - Based on 35 stations |
Noticeable events summary
| Day | Begin | Max | Конец | Loc | Strength | OP | 10cm | Catania/NOAA | Radio burst types | |
|---|---|---|---|---|---|---|---|---|---|---|
| Нет | ||||||||||
Provided by the Solar Influences Data analysis Center© - SIDC - Processed by SpaceWeatherLive
Все время в UTC
<< Перейти на сегодняшнюю страницу обзора
Последние новости
M2.7 solar flare, CME arrival possible
Complex sunspot region 4366
CME impact! S4 solar radiation storm
Последние сообщения с форума
Больше темПоддержка SpaceWeatherLive.com!
A lot of people come to SpaceWeatherLive to follow the Solar activity or if there is a chance to see the aurora, but with more traffic comes higher costs to keep the servers online. If you like SpaceWeatherLive and want to support the project you can choose a subscription for an ad-free site or consider a donation. With your help we can keep SpaceWeatherLive online!
Факты о космической погоде
| Последняя X-вспышка | 30/03/2026 | X1.4 |
| Последняя M-вспышка | 28/03/2026 | M1.3 |
| Последняя геомагнитная буря | 25/03/2026 | Kp5+ (G1) |
| Безупречные дни | |
|---|---|
| Последние 365 дней | 3 дней |
| 2026 | 3 дней (3%) |
| Последний безупречный день | 24/02/2026 |
| Среднемесячное количество солнечных пятен | |
|---|---|
| февраля 2026 | 78.2 -34.3 |
| марта 2026 | 86.6 +8.4 |
| Последние 30 дней | 86.6 +11.2 |