Vaata neljapäev, 23 mai 2013 arhiivi

Daily bulletin on solar and geomagnetic activity from the SIDC

Välja antud: 2013 May 23 1207 UTC

SIDC Forecast

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

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

Geomagnetism

Major magstorm expected (A>=50 or K>=6)

Päikese prootonid

Quiet

10cm fluxAp
23 May 2013134011
24 May 2013135007
25 May 2013135031

Bulletin

Solar Activity was active the last 24 hours with several C-class flares and 1 M5 flare peaking around 13:32 UT on May 22d with origin AR NOAA 1745. It was associated with a proton event where levels were above the 10.0 pfu treshold for > 10 Mev, > 30 Mev and > 50 MeV. A CME associated with this M5 flare was detected by LASCO C3 around 15:00 UT, from the available information, the CME has an angular width of around 120 degrees and a speed around 1000 km/s. Based on this data the CME will reach Earth on May 25th around 17:00 UT. A second, slower CME (500 km/s) with angular width around 90 degrees was detected by LASCO C3 at 10:18 UT from the same source region (NOAA 1745) due to a C flare around 9:45 UT, this CME is not directed towards Earth and will partially dissipate in the first CME. Geomagnetic conditions where moderate (K=3) and are expected to remain quiet to moderate until the arrival of the CME on May 25th around 17:00 UT where K levels can reach major storm levels. (K = 6)

Today's estimated international sunspot number (ISN): 075, based on 08 stations.

Solar indices for 22 May 2013

Wolf number Catania///
10cm solar flux133
AK Chambon La Forêt020
AK Wingst013
Estimated Ap013
Estimated international sunspot number087 - 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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