Prohlížíte si archiv pondělí 15. srpna 2016

Daily bulletin on solar and geomagnetic activity from the SIDC

Vydáno: 2016 Aug 15 1246 UTC

SIDC Forecast

Sluneční erupce

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

Geomagnetism

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

Sluneční protony

Quiet

	10cm flux	Ap
15 Aug 2016	087	003
16 Aug 2016	085	005
17 Aug 2016	083	006

Bulletin

Solar activity is low. Two C1.1 flares were observed from newly appeared active region (NOAA AR 2578) peaked at 19:36 UT and 23:17 UT yesterday (14-Aug-2016). Three (3) additional active regions are presently observed on the visible side of the solar disc. Their photospheric magnetic field configuration is simple (beta and alpha configuration). One narrow slow CME coming from the East limb was detected by CACTUS at 16:12 yesterday (14-Aug-2016). No geoeffective effects are expected. The high speed stream originated from a low latitude coronal hole has not interacted with Earth geomagnetic field, in accordance to the last release of WSA-Enlil predictions. Solar proton flux intensity is expected to lie within the background levels. Solar activity is expected to be low with small probability for C-class flares.

Solar wind speed continued to decline till 320 km/s as observed around 12:00 UT today (15-Aug-2016). The magnetic field intensity (Bt) remained below 6 nT. The Bz component was mostly positive or neutral. The local K index at Dourbes was ranged between 1 and 3 (planetary Kp index was ranged between 1 and 2) during last 24 hours. The solar wind parameters are expected to be low and geomagnetic field to remain quiet and undisturbed while the high speed stream coming from the low latitude coronal hole seems to pass south of the ecliptic without interacting with Earth’s geomagnetic field.

Today's estimated international sunspot number (ISN): 063, based on 26 stations.

Solar indices for 14 Aug 2016

Wolf number Catania	///
10cm solar flux	087
AK Chambon La Forêt	008
AK Wingst	005
Estimated Ap	004
Estimated international sunspot number	057 - Based on 32 stations

Noticeable events summary

Provided by the Solar Influences Data analysis Center© - SIDC - Processed by SpaceWeatherLive

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