Prohlížíte si archiv úterý 13. května 2014

Denní bulletin o sluneční a geomagnetické aktivitě ze SIDC

Vydáno: 2014 May 13 1311 UTC

SIDC Předpověď

Sluneční erupce

Eruptive (C-class flares expected, probability >=50%)

Geomagnetismus

Quiet (A<20 and K<4)

Sluneční protony

Warning condition (activity levels expected to increase, but no numeric forecast given)

	10cm tok	Ap
13 May 2014	163	006
14 May 2014	162	010
15 May 2014	161	009

Bulletin

There are currently nine numbered sunspot groups on the solar disc. The solar activity remains low with only few C-class flares reported during last 24 hours. Weak, long duration flare (not reported) which peaked at about 11:05 UT on May 12, originated from the Catania sunspot group 47 (NOAA AR 2060). The flare was associated with coronal dimming, an EIT wave and CME. The CME had angular width of 130 degrees and projected speed of about 600 km/s. The bulk of the CME mass was oriented southward of the Sun- Earth line, and this CME will not arrive at the Earth. We expect C-class flares and possibly also an isolated M-class flare. Catania sunspot groups 42 and 43 (NOAA ARs 2055 and 2056, respectively) are currently situated in the western solar hemisphere, a major eruption in one of them may lead to a proton event, so we issue warning condition for a proton event. The solar wind speed is about 350 km/s. The interplanetary magnetic field is stable with the magnitude between 1 and 2 nT. The fast flow associated with the small equatorial corona hole which reached the central meridian yesterday might arrive at the Earth on May 15, producing at most unsettled geomagnetic conditions. The fast flow from the small and narrow equatorial coronal hole which reached the central meridian on May 11 might arrive in the morning of May 14. The geomagnetic conditions are at the moment quiet and expected to remain so in the following hours.

Dnešní odhadovaný mezinárodní počet slunečních skvrn (ISN): 094, na základě 18 stanic.

Solární indexy za 12 May 2014

Wolfovo číslo Catania	///
10cm sluneční tok	163
AK Chambon La Forêt	011
AK Wingst	009
Odhadovaný Ap	009
Odhadovaný mezinárodní počet slunečních skvrn	106 - Na základě 23 stanic

Souhrn významných událostí

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