Vaata kolmapäev, 16 aprill 2014 arhiivi

Daily bulletin on solar and geomagnetic activity from the SIDC

Välja antud: 2014 Apr 16 1218 UTC

SIDC Forecast

Valid from 1230 UTC, 16 Apr 2014 until 18 Apr 2014
Päikesepursked ehk loited

Active (M-class flares expected, probability >=50%)

Geomagnetism

Quiet (A<20 and K<4)

Päikese prootonid

Quiet

10cm fluxAp
16 Apr 2014167005
17 Apr 2014171004
18 Apr 2014174006

Bulletin

Nine sunspot groups are reported on the Sun today. Four of them have beta-gamma configuration of the photospheric magnetic field: Catania numbers 23, 24, 25, and 26 (NOAA ARs 2034, 2035, 2036, and 2037, respectively). These four groups produced numerous C-class flares during the past 36 hours. None of the flares was associated with a CME. The strongest flare of today is the C5.2 flare peaking at 08:44 UT in the Catania sunspot group 24 (NOAA AR 2035). The solar soft X-ray background flux is currently around the C1 level. We expect further flaring activity on the C-level from these four sunspot groups, with a good chance for an M-class event. The Earth is currently inside a slow (around 320 km/s) solar wind flow with weak to average (3-4 nT) interplanetary magnetic field magnitude. The geomagnetic conditions are quiet and are expected to remain so.

Today's estimated international sunspot number (ISN): 140, based on 18 stations.

Solar indices for 15 Apr 2014

Wolf number Catania176
10cm solar flux162
AK Chambon La Forêt009
AK Wingst004
Estimated Ap004
Estimated international sunspot number107 - Based on 28 stations

Noticeable events summary

DayBeginMaxLõppLocStrengthOP10cmCatania/NOAARadio burst types
Puuduvad

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

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