Vaata reede, 19 jaanuar 2018 arhiivi

Daily bulletin on solar and geomagnetic activity from the SIDC

Välja antud: 2018 Jan 19 1235 UTC

SIDC Forecast

Valid from 1230 UTC, 19 Jan 2018 until 21 Jan 2018
Päikesepursked ehk loited

Quiet conditions (<50% probability of C-class flares)

Geomagnetism

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

Päikese prootonid

Quiet

10cm fluxAp
19 Jan 2018071014
20 Jan 2018071022
21 Jan 2018072011

Bulletin

Over the past 24 hours solar activity has been quiet. No significant flares have been recorded. No Earth directed Coronal Mass Ejections (CMEs) have been detected. Solar activity is expected to remain low over the next 24 hours with a small chance of C-class flares. The solar wind speed has increased from around 325 to around 375 km/s over the past 24 hours. The total magnetic field strength has increased from around 5 to 9 nT. The Bz component has ranged between -6 and +6 nT. Geomagnetic conditions ranged between Kp index 0-3 (NOAA) and local K index 0-2 (Dourbes) over the past 24 hours. Geomagnetic conditions may increase as a coronal hole has passed into the Western hemisphere and may increase geomagnetic activity later today.

Today's estimated international sunspot number (ISN): 013, based on 13 stations.

Solar indices for 18 Jan 2018

Wolf number Catania014
10cm solar flux071
AK Chambon La Forêt006
AK Wingst002
Estimated Ap001
Estimated international sunspot number013 - Based on 18 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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