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Denní bulletin o sluneční a geomagnetické aktivitě ze SIDC

Vydáno: 2017 Jun 25 1230 UTC

SIDC Předpověď

Sluneční erupce

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

Geomagnetismus

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

Sluneční protony

Quiet

	10cm tok	Ap
25 Jun 2017	074	013
26 Jun 2017	074	016
27 Jun 2017	075	016

Bulletin

Over the past 24 hours solar activity has been low. No significant flares have been recorded. AR 2664 (Mcintosh class:Cso; Mag. type:Beta) has shown some evidence of flux emergence and cancellation in HMI magnetogram observations, and produced a couple of small eruptions, this region may increase flaring activity over the coming days. No Earth directed Coronal Mass Ejections (CMEs) have been detected. There's a small northern coronal hole extending to lower latitudes that in the western hemisphere that may increase solar wind speeds over the next couple of days. Solar activity is expected to remain low over the next 24 hours with a low probability of C-class flares and a very low probability of M-class flares. The solar wind speed has slowly increased from around 390 km/s to 430 km/s over the past 24 hours. The total magnetic field strength has fluctuated between 6 and 9 nT. The Bz component fluctuated between -6 nT and +8 nT. Geomagnetic conditions ranged between Kp index 2-4 (NOAA) and local K index 0-3 (Dourbes) over the past 24 hours. Geomagnetic conditions are expected to be quiet to active, with the increasing solar wind speeds combined with a negative Bz may enhancing geomagnetic conditions.

Dnešní odhadovaný mezinárodní počet slunečních skvrn (ISN): 018, na základě 17 stanic.

Solární indexy za 24 Jun 2017

Wolfovo číslo Catania	///
10cm sluneční tok	074
AK Chambon La Forêt	019
AK Wingst	014
Odhadovaný Ap	013
Odhadovaný mezinárodní počet slunečních skvrn	026 - Na základě 22 stanic

Souhrn významných událostí

Poskytuje Centrum pro analýzu dat o solárních vlivech© - SIDC - Zpracováno SpaceWeatherLive

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