Vaata esmaspäev, 3 veebruar 2020 arhiivi

Daily bulletin on solar and geomagnetic activity from the SIDC

Välja antud: 2020 Feb 03 1231 UTC

SIDC Forecast

Valid from 1230 UTC, 03 Feb 2020 until 05 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
03 Feb 2020071005
04 Feb 2020071007
05 Feb 2020071013

Bulletin

X-ray flux remained below B level throughout the period. The Sun is now spotless and no flaring is expected.

No Earth-directed CMEs have been observed in coronagraph data.

The proton flux levels were at background values and expected to remain so.

Solar wind speed decreased from around 420 km/s to around 380 km/s. The total magnetic field was at nominal values around 5nT. The magnetic field phi angle fluctuated somewhat but was mostly in the negative sector. Solar wind conditions are expected to remain nominal until around noon February 5, when some weak effects of a high speed stream from the extension of the (negative polarity) Southern polar coronal hole, may enhance Solar wind speed.

Geomagnetic conditions were quiet to unsettled (local K Dourbes 0-2, NOAA Kp 0-3). Quiet geomagnetic conditions are expected over the next days, then by noon February 5 rising to unsettled conditions with some isolated active periods becoming possible.

Today's estimated international sunspot number (ISN): 000, based on 17 stations.

Solar indices for 02 Feb 2020

Wolf number Catania///
10cm solar flux072
AK Chambon La Forêt013
AK Wingst008
Estimated Ap007
Estimated international sunspot number000 - 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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