Vaata reede, 23 august 2013 arhiivi

Daily bulletin on solar and geomagnetic activity from the SIDC

Välja antud: 2013 Aug 23 1224 UTC

SIDC Forecast

Valid from 1230 UTC, 23 Aug 2013 until 25 Aug 2013
Päikesepursked ehk loited

Eruptive (C-class flares expected, probability >=50%)

Geomagnetism

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

Päikese prootonid

Quiet

10cm fluxAp
23 Aug 2013130015
24 Aug 2013124017
25 Aug 2013120023

Bulletin

Several minor C-class flares were observed by GOES, mainly originating from NOAA AR 1820 and 1828. A CME observed in LASCO/C2 on 22 August at 8h36 travels mainly southward and will likely miss the Earth. C-class flaring is expected to continue for the next 24 hours. Solar wind speed as observed by ACE is around 500 km/s. The magnitude of the interplanetary magnetic field is near 5 nT, with a mainly negative Bz component. Current geomagnetic conditions are unsettled. A new increase to active levels is predicted later today due to the arrival of the CME of 20 August. On 24 and 25 August we expect active to minor storm levels (K possibly up to 5) due to the arrival of the CME of 21 August, combined with some minor influence of a coronal hole fast speed stream.

Today's estimated international sunspot number (ISN): 094, based on 14 stations.

Solar indices for 22 Aug 2013

Wolf number Catania///
10cm solar flux132
AK Chambon La Forêt021
AK Wingst018
Estimated Ap018
Estimated international sunspot number097 - Based on 19 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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