Vaata laupäev, 23 mai 2015 arhiivi

Daily bulletin on solar and geomagnetic activity from the SIDC

Välja antud: 2015 May 23 1231 UTC

SIDC Forecast

Valid from 1230 UTC, 23 May 2015 until 25 May 2015
Päikesepursked ehk loited

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

Geomagnetism

Quiet (A<20 and K<4)

Päikese prootonid

Quiet

10cm fluxAp
23 May 2015098004
24 May 2015098004
25 May 2015098005

Bulletin

Solar activity is low but on an increasing trend. The flux emergence regions that were noted yesterday have developed into NOAA AR 2352 (beta) and NOAA AR 2353 (beta-gamma). The latter has produced two minor C-flares in the past hours. Also NOAA AR 2349 (beta), in the Southern hemisphere, has produced minor C-class flares. We expect more C-class flares in the coming 24 hours. Geomagnetic conditions have been quiet in the past 24 hours and are expected to remain so. The solar wind is stable at 350 km/s and there is no CME or coronal hole influence in sight.

Today's estimated international sunspot number (ISN): 048, based on 10 stations.

Solar indices for 22 May 2015

Wolf number Catania///
10cm solar flux099
AK Chambon La Forêt004
AK Wingst003
Estimated Ap002
Estimated international sunspot number051 - Based on 22 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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