Vaata pühapäev, 5 märts 2017 arhiivi

Daily bulletin on solar and geomagnetic activity from the SIDC

Välja antud: 2017 Mar 05 1230 UTC

SIDC Forecast

Valid from 1230 UTC, 05 Mar 2017 until 07 Mar 2017
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
05 Mar 2017075008
06 Mar 2017074011
07 Mar 2017075012

Bulletin

Solar activity was very low during the period, with no C-class flares or higher reported. The remnants of sunspot group NOAA 2641 are still visible. No earth-directed coronal mass ejections (CMEs) were observed in available coronagraphic imagery. The greater than 10MeV proton flux was at nominal levels.

Quiet flaring conditions are expected to continue.

Earth was still under the influence of the high speed stream (HSS) from the negative trans-equatorial coronal hole (CH). A gradually declining solar wind speed varied between 700 and 600 km/s, ending the period with values around 650 km/s. Bz mostly fluctuated between -5 nT and +4 nT. The interplanetary magnetic field was directed towards the Sun. The small positive equatorial coronal hole (CH) which was near the central meridian on 04 March, has closed.

The geomagnetic field was at quiet to active levels. Mostly quiet to unsettled geomagnetic conditions are expected, with still a chance on an isolated active interval.

Today's estimated international sunspot number (ISN): 011, based on 12 stations.

Solar indices for 04 Mar 2017

Wolf number Catania///
10cm solar flux075
AK Chambon La Forêt026
AK Wingst024
Estimated Ap024
Estimated international sunspot number000 - Based on 17 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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