Vaata kolmapäev, 4 mai 2016 arhiivi

Daily bulletin on solar and geomagnetic activity from the SIDC

Välja antud: 2016 May 04 1231 UTC

SIDC Forecast

Valid from 1230 UTC, 04 May 2016 until 06 May 2016
Päikesepursked ehk loited

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

Geomagnetism

Quiet (A<20 and K<4)

Päikese prootonid

Quiet

10cm fluxAp
04 May 2016090008
05 May 2016089008
06 May 2016090007

Bulletin

Solar activity remains low, with no C-class flares reported during last 24 hours. The strongest reported flare was B7.5 flare, peaking at 00:01 UT, on May 04. The flare originated from the active region situated at that moment just behind the east solar limb. There are currently four numbered sunspot groups visible on the solar disc, all having simple (alpha and beta) configuration of their photospheric magnetic field. The occasional C-class flares are still possible in the following 24 hours (probability is about 30 percent). No Earth directed CMEs were observed in the last 24 hours.

The solar wind speed has decreased and currently amounts about 450 km/s. The interplanetary magnetic field magnitude remained stable having the value of 3 nT. The fast solar wind, associated with the small equatorial coronal hole which reached central meridian yesterday morning, might be expected at the Earth on May 06. The geomagnetic conditions are quiet and we expect them to remain so in the coming hours.

Today's estimated international sunspot number (ISN): 072, based on 20 stations.

Solar indices for 03 May 2016

Wolf number Catania///
10cm solar flux090
AK Chambon La Forêt012
AK Wingst011
Estimated Ap012
Estimated international sunspot number071 - 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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