Vaata teisipäev, 16 aprill 2013 arhiivi

Daily bulletin on solar and geomagnetic activity from the SIDC

Välja antud: 2013 Apr 16 1223 UTC

SIDC Forecast

Valid from 1230 UTC, 16 Apr 2013 until 18 Apr 2013
Päikesepursked ehk loited

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

Geomagnetism

Quiet (A<20 and K<4)

Päikese prootonid

Quiet

10cm fluxAp
16 Apr 2013111003
17 Apr 2013110005
18 Apr 2013109006

Bulletin

Four weak C-class flares were detected during the past 24 hours. Three of the observed flares originated from the Catania sunspot group 46 (NOAA AR 1723) which is growing fast and has beta-gamma configuration of the photosperic magnetic field. The C-class flares are probable, in particular from the Catania sunspot group 46. The M-class flares are possible but not very probable. The Earth is currently inside a slow solar wind with a speed of about 360 km/s. Small low-latitude coronal hole in the northern hemisphere will pass the central meridian later today, however not much impact is expected from this coronal hole. The interplanetary magnetic field magnitude is about 5 nT, with its Bz component most of the time steadily positive. The geomagnetic conditions are quiet and expected to remain so.

Today's estimated international sunspot number (ISN): 061, based on 11 stations.

Solar indices for 15 Apr 2013

Wolf number Catania093
10cm solar flux113
AK Chambon La Forêt010
AK Wingst006
Estimated Ap005
Estimated international sunspot number069 - Based on 23 stations

Noticeable events summary

DayBeginMaxLõppLocStrengthOP10cmRadio burst typesCatania/NOAA
Puuduvad

Provided by the Solar Influences Data analysis Center© - SIDC - Processed by SpaceWeatherLive

Kõik ajad UTC-s

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