Vaata pühapäev, 27 mai 2018 arhiivi

Daily bulletin on solar and geomagnetic activity from the SIDC

Välja antud: 2018 May 27 1256 UTC

SIDC Forecast

Valid from 1230 UTC, 27 May 2018 until 29 May 2018
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
27 May 2018073005
28 May 2018074011
29 May 2018073007

Bulletin

Solar activity was at low levels. NOAA AR 2712 (McIntosh: Cao; Mag.Type: Beta) produced several B-class flares. No earth-directed coronal mass ejections (CMEs) were observed in available coronagraphic imagery. The greater than 10 MeV proton flux was at nominal levels. Solar activity is expected to be at low levels with some chance for C class flares. Solar wind parameters variations are very low. Solar wind speed was below 350 km/s. The total magnetic field was below 5 nT. The Bz component fluctuated between -3.5 nT and +3 nT. Geomagnetic conditions ranged between Kp index 1-2 (NOAA) and local K index 1-3 (Dourbes) over the past 24 hours. Geomagnetic conditions are expected to be quiet today. Unsettled geomagnetic conditions can be expected from tomorrow due to the influence of a positive polarity low lattitude extension of the northern coronal hole.

Today's estimated international sunspot number (ISN): 031, based on 22 stations.

Solar indices for 26 May 2018

Wolf number Catania///
10cm solar flux073
AK Chambon La Forêt008
AK Wingst004
Estimated Ap004
Estimated international sunspot number028 - Based on 28 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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