Vaata reede, 22 jaanuar 2016 arhiivi

Daily bulletin on solar and geomagnetic activity from the SIDC

Välja antud: 2016 Jan 22 1230 UTC

SIDC Forecast

Valid from 1230 UTC, 22 Jan 2016 until 24 Jan 2016
Päikesepursked ehk loited

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

Geomagnetism

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

Päikese prootonid

Quiet

10cm fluxAp
22 Jan 2016104018
23 Jan 2016103013
24 Jan 2016106005

Bulletin

NOAA 2487 produced the only C-class flare of the period, a C1.4 peaking at 13:51UT. The event lasted for 57 minutes (x-ray) and was associated with a relatively narrow coronal mass ejection (CME) that was not directed to Earth. The nearby 20 degrees long north-south oriented filament remained stable. NOAA 2486 was decaying. No earth-directed CMEs were observed.

There remains a chance on an isolated C-class flare. . The earth environment remained under the influence of the high speed stream of the southern polar coronal hole (CH). Solar wind started and ended the period with a speed of around 500 km/s, meanwhile reaching a maximum speed of about 550 km/s early on 22 January (02UT-05UT). Bz undulated between -7 nT and + 6 nT, while the interplanetary magnetic field was directed towards the Sun. Mostly active geomagnetic conditions were recorded, with locally (Dourbes) minor storming during the 22-23UT interval. The extension of a northern polar CH around +25 degrees latitude is transiting the central meridian.

Mostly quiet to unsettled geomagnetic conditions are expected, with a chance on an active episode.

Today's estimated international sunspot number (ISN): 060, based on 11 stations.

Solar indices for 21 Jan 2016

Wolf number Catania057
10cm solar flux104
AK Chambon La Forêt046
AK Wingst037
Estimated Ap037
Estimated international sunspot number058 - Based on 24 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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