Välja antud: 2016 Jan 25 1239 UTC
C-class flares expected, (probability >=50%)
Active conditions expected (A>=20 or K=4)
Quiet
10 cm vool | Ap | |
---|---|---|
25 Jan 2016 | 104 | 004 |
26 Jan 2016 | 103 | 009 |
27 Jan 2016 | 104 | 007 |
Over the past 24 hours solar activity has been low. Several C-class flares have been detected. The most energetic flares were C1.4 class flares, produced by NOAA Active Region (AR) 2488. There is currently a large polar coronal hole rotating into the Western hemisphere which may increase geo-activity over the coming days. No Earth directed Coronal Mass Ejections (CMEs) have been detected. A currently unnamed region on the East solar limb produced a small CME around 12:00 UT yesterday (24-Jan-2016), the CME is not believed to be geo-effective. Solar activity is expected to remain low over the next 24 hours with the possibility of C-class flares, and the small region on the East limb producing further eruptions. The solar wind speed has been steadily decreasing over the past 24 hours from 500 km/s to 410 km/s. The total magnetic field strength remained around 5 nT. However, it peaked around 8 nT between 17:00 and 19:00 UT yesterday. The Bz has remained around 0 nT, but also fluctuated between 17:00 and 19:00 UT, reaching values of +5 and -5 nT. Geomagnetic conditions ranged between Kp index 1-4 (NOAA) and local K index 0-4 (Dourbes) over the past 24 hours, with activity peaking (Kp = 4; K =4) around 19:00 UT, coinciding with the fluctuating field. A low latitude section of a large polar coronal hole has rotated into the Western hemisphere and the resulting high-speed stream (HSS) may enhance solar wind speeds and increase geo-activity early tomorrow morning.
Tänane hinnanguline rahvusvaheline päikeselaikude arv (ISN): 064, põhineb 19 jaamadel.
Catania Wolfi number | /// |
10cm päikesevoog | 104 |
AK Chambon La Forêt | 013 |
AK Wingst | 012 |
Hinnanguline Ap | 011 |
Hinnanguline rahvusvaheline päikeselaikude arv | 045 - Põhineb 14 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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