Vaata reede, 12 mai 2017 arhiivi

Daily bulletin on solar and geomagnetic activity from the SIDC

Välja antud: 2017 May 12 1230 UTC

SIDC Forecast

Valid from 1230 UTC, 12 May 2017 until 14 May 2017
Päikesepursked ehk loited

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

Geomagnetism

Quiet (A<20 and K<4)

Päikese prootonid

Quiet

10cm fluxAp
12 May 2017070008
13 May 2017069006
14 May 2017070011

Bulletin

Solar activity remains at the extremely low level, without any flares reported during last 24 hours. We do not expect the change of the level of the solar activity in the coming hours. No Earth directed CMEs have been observed and the solar protons remained at background level in the past 24 hours.

The Earth is still within the slow solar wind with the wind speed fluctuating between 350 and 430 km/s. The interplanetary magnetic field magnitude is presently about 6nT. The equatorial coronal hole, with the large extent to the both northern and southern hemispheres, reached the central meridian this morning. We can expect arrival of the associated fast solar wind on the May 15. Presently the geomagnetic conditions are quiet, we expect quiet to unsettled conditions in the coming hours.

Today's estimated international sunspot number (ISN): 008, based on 23 stations.

Solar indices for 11 May 2017

Wolf number Catania///
10cm solar flux069
AK Chambon La Forêt011
AK Wingst007
Estimated Ap007
Estimated international sunspot number000 - Based on 24 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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