Vaata pühapäev, 12 juuli 2015 arhiivi

Daily bulletin on solar and geomagnetic activity from the SIDC

Välja antud: 2015 Jul 12 1230 UTC

SIDC Forecast

Valid from 1230 UTC, 12 Jul 2015 until 14 Jul 2015
Päikesepursked ehk loited

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

Geomagnetism

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

Päikese prootonid

Quiet

10cm fluxAp
12 Jul 2015115015
13 Jul 2015112009
14 Jul 2015110006

Bulletin

NOAA 2385 (Catania 11) produced the only flare of the period: a C1 flare peaking at 18:36UT. The other sunspot regions were quiet. Old active region NOAA 2371 is making its reappearance from behind the east limb. No obvious Earth-directed coronal mass ejections (CME) were observed.

There remains a chance on an isolated C-class flare.

Solar wind speed is gradually declining and currently varying between 570-600 km/s. Bz oscillated between -8 and +7 nT. The interplanetary magnetic field was mostly directed away from the Sun. Quiet to active geomagnetic conditions were observed.

Quiet geomagnetic conditions are expected with a chance on an active episode, as the influence of the high speed stream of the coronal hole is gradually subsiding.

Today's estimated international sunspot number (ISN): 081, based on 11 stations.

Solar indices for 11 Jul 2015

Wolf number Catania///
10cm solar flux120
AK Chambon La Forêt///
AK Wingst024
Estimated Ap027
Estimated international sunspot number094 - Based on 27 stations

Noticeable events summary

DayBeginMaxLõppLocStrengthOP10cmCatania/NOAARadio burst types
Puuduvad

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

Kõik ajad UTC-s

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