Välja antud: 2016 Feb 18 1239 UTC
C-class flares expected, (probability >=50%)
Active conditions expected (A>=20 or K=4)
Quiet
10 cm vool | Ap | |
---|---|---|
18 Feb 2016 | 100 | 021 |
19 Feb 2016 | 098 | 012 |
20 Feb 2016 | 094 | 007 |
Six C flares were released by NOAA AR 2497 in the past 24 hours, and one low C flare by new region 2503. The brightest flare was a C7.4 flare produced by AR 2497 which peaked at 18:13 UT on February 17. C flares (probability 95%) are expected within the next 24 hours, with a chance for an M flare (probability 45%), especially from AR 2497. A bright CME was first observed by LASCO C2 at 18:12 UT on February 17, but is not expected to be geoeffective. The Earth is currently in a coronal hole high speed stream. In the past 24 hours, the solar wind speed measured by ACE has increased from about 520 km/s towards about 620 km/s, while the magnitude of the Interplanetary Magnetic Field has gradually decreased from 9 nT to current values of about 5 nT. Over the past 24 hours, quiet to minor geomagnetic storm levels were registered (K Dourbes between 2 and 5; NOAA Kp between 3 and 6), as a combined effect of the high speed stream and southward excursions of the Interplanetary Magnetic Field. Active geomagnetic conditions (K Dourbes = 4) are possible on February 18 under the influence of the high speed stream, with a slight chance for minor storm intervals (K Dourbes = 5). Quiet to unsettled levels are expected on February 19 and 20.
Tänane hinnanguline rahvusvaheline päikeselaikude arv (ISN): 039, põhineb 11 jaamadel.
Catania Wolfi number | 057 |
10cm päikesevoog | 100 |
AK Chambon La Forêt | 047 |
AK Wingst | 036 |
Hinnanguline Ap | 037 |
Hinnanguline rahvusvaheline päikeselaikude arv | 039 - Põhineb 25 jaamal |
Päev | Algus | Maks | Lõpp | Lokatsioon | Tugevus | OP | 10cm | Catania/NOAA | Raadiosignaalipursete tüübid | |
---|---|---|---|---|---|---|---|---|---|---|
Puuduvad |
Andmed on esitanud Päikeseinfektide Andmeanalüüsi Keskus (Solar Influences Data Analysis Center)© - SIDC - Töötleb SpaceWeatherLive
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