Vaata neljapäev, 28 mai 2015 arhiivi

Daily bulletin on solar and geomagnetic activity from the SIDC

Välja antud: 2015 May 28 1230 UTC

SIDC Forecast

Valid from 1230 UTC, 28 May 2015 until 30 May 2015
Päikesepursked ehk loited

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

Geomagnetism

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

Päikese prootonid

Quiet

10cm fluxAp
28 May 2015098014
29 May 2015102014
30 May 2015105010

Bulletin

One single C1 flare was observed from Catania sunspot region 74, which is a new region near the East limb at S15. A sequence of small eruptions continued near plage 2351 (N25W60). No Earth-bound CMEs were observed. The chance for C-class flares is increasing.

Earth is inside a slow solar wind (max 340 km/s) with a nominal magnitude of the interplanetary magnetic field (max 10 nT). Geomagnetic conditions are quiet (K <4) and are expected to increase within the next 24 hours to active conditions (K=4) due to the influence of a high speed stream.

Today's estimated international sunspot number (ISN): 009, based on 16 stations.

Solar indices for 27 May 2015

Wolf number Catania///
10cm solar flux095
AK Chambon La Forêt014
AK Wingst006
Estimated Ap006
Estimated international sunspot number021 - Based on 25 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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