Vaata kolmapäev, 30 mai 2018 arhiivi

Daily bulletin on solar and geomagnetic activity from the SIDC

Välja antud: 2018 May 30 1230 UTC

SIDC Forecast

Valid from 1230 UTC, 30 May 2018 until 01 Jun 2018
Päikesepursked ehk loited

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

Geomagnetism

Minor storm expected (A>=30 or K=5)

Päikese prootonid

Quiet

10cm fluxAp
30 May 2018075005
31 May 2018075010
01 Jun 2018075035

Bulletin

Beta region NOAA AR 2712 produced one B1.0 flare in the past 24 hours. The chance for a C flare in the next 24 hours is estimated at 25%.

No Earth-directed Coronal Mass Ejections (CMEs) were observed in available coronagraphic imagery.

The greater than 10 MeV proton flux was at nominal levels in the past 24 hours, and is expected to stay at nominal levels in the next 24 hours.

Solar wind speed near Earth as registered by DSCOVR varied between about 310 and 440 km/s in the past 24 hours. The Interplanetary Magnetic Field (IMF) was directed away from the Sun and its magnitude varied between about 0 and 6 nT. Bz was never below -5 nT. A high speed stream associated with a negative polarity equatorial coronal hole is expected to arrive near Earth late on May 31 or on June 1.

Quiet geomagnetic conditions (K Dourbes between 0 and 2; NOAA Kp = 1) were registered in the past 24 hours. Quiet to unsettled levels (K Dourbes < 4) are expected on May 30 and 31, with a chance for active to minor storm intervals (K Dourbes between 4 and 5) late on May 31 due to the expected arrival of the solar wind stream associated with the equatorial coronal hole. Active to minor storm levels are possible on June 1.

Today's estimated international sunspot number (ISN): 022, based on 25 stations.

Solar indices for 29 May 2018

Wolf number Catania///
10cm solar flux075
AK Chambon La Forêt008
AK Wingst006
Estimated Ap004
Estimated international sunspot number025 - 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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