Vaata laupäev, 15 veebruar 2020 arhiivi

Daily bulletin on solar and geomagnetic activity from the SIDC

Välja antud: 2020 Feb 15 1231 UTC

SIDC Forecast

Valid from 1230 UTC, 15 Feb 2020 until 17 Feb 2020
Päikesepursked ehk loited

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

Geomagnetism

Quiet (A<20 and K<4)

Päikese prootonid

Quiet

10cm fluxAp
15 Feb 2020071005
16 Feb 2020071007
17 Feb 2020071007

Bulletin

The solar activity has been quiet over the past 24 hours. The visible solar disc is spotless and the X-ray flux is below B-level. The solar activity is expected to remain at low levels over the next 24 hours.

No earth-directed coronal mass ejections (CMEs) have been observed in the available coronagraphic imagery. The greater than 10 MeV proton flux was at nominal values.

The solar wind parameters were at nominal levels: the wind speed range was 307-360 km/s, the total interplanetary magnetic fields were below 5.5 nT, and the southward magnetic component fluctuated between -4.5 nT and 2.5 nT. The solar wind conditions are expected to remain at background levels for the next 24-hour period. The high-speed streams from the equatorial coronal hole (negative polarity) that reached the meridian on February 13 may slightly enhance the solar wind parameters in about 2 days.

The geomagnetic conditions were quiet and are expected to remain so.

Today's estimated international sunspot number (ISN): 000, based on 18 stations.

Solar indices for 14 Feb 2020

Wolf number Catania///
10cm solar flux071
AK Chambon La Forêt003
AK Wingst///
Estimated Ap002
Estimated international sunspot number000 - Based on 20 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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