Vaata kolmapäev, 23 jaanuar 2013 arhiivi

Daily bulletin on solar and geomagnetic activity from the SIDC

Välja antud: 2013 Jan 23 1216 UTC

SIDC Forecast

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

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

Geomagnetism

Active conditions expected (A>=20 or K=4)

Päikese prootonid

Quiet

10cm fluxAp
23 Jan 2013112003
24 Jan 2013114003
25 Jan 2013116014

Bulletin

Catania sunspot group 70 (NOAA AR 1660) still has the potential to produce a C-class flare. A B5.4 flare peaking around 03:31 UT in this group was accompanied by coronal dimmings and a post-eruption arcade, but with only a weak and narrow CME (according to STEREO COR2 data) that is not expected to arrive at the Earth. The Earth is currently inside a slow (around 290 km/s) solar wind flow with weak (around 1-2 nT) interplanetary magnetic field magnitude. We expect quiet geomagnetic conditions in the coming hours. On January 25 we expect the arrival of a fast solar wind stream emanating from a low-latitude coronal hole in the southern hemisphere, possibly resulting in active geomagnetic conditions.

Today's estimated international sunspot number (ISN): 042, based on 09 stations.

Solar indices for 22 Jan 2013

Wolf number Catania062
10cm solar flux110
AK Chambon La Forêt005
AK Wingst000
Estimated Ap001
Estimated international sunspot number038 - Based on 16 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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