Visualizzazione archivio di lunedì, 6 febbraio AM

Daily bulletin on solar and geomagnetic activity from the SIDC

Emesso: 2017 Feb 06 1253 UTC

SIDC Forecast

Valid from 1230 UTC, 06 Feb 2017 until 08 Feb 2017
Brillamenti solari

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

Geomagnetism

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

Protoni solari

Quiet

10cm fluxAp
06 Feb 2017073007
07 Feb 2017075013
08 Feb 2017077007

Bulletin

Solar activity has been very low, no C-class flares in past 24 h. Two simple (alpha magnetic field configuration) active regions visible on the disk, C-class flares are possible.

No Earth directed Coronal Mass Ejections (CMEs) have been detected. Solar protons have remained at background levels over the past 24 hours.

Geomagnetic conditions have reached K=4 overnight due to the effect of a high speed stream. Solar wind speed is now at 570 km/s with interplanetary magnetic fields of 3 nT. There is a small equatorial coronal hole which may affect the Earth within 48 h. Geomagnetic conditions may reach K = 4 again.

Today's estimated international sunspot number (ISN): 012, based on 12 stations.

Solar indices for 05 Feb 2017

Wolf number Catania///
10cm solar flux073
AK Chambon La Forêt023
AK Wingst018
Estimated Ap018
Estimated international sunspot number015 - Based on 11 stations

Noticeable events summary

DayBeginMaxFineLocStrengthOP10cmCatania/NOAARadio burst types
Nessuna

Provided by the Solar Influences Data analysis Center© - SIDC - Processed by SpaceWeatherLive

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Notizie sul meteo spaziale

Ultimo brillamento X2026/02/04X4.21
Ultimo brillamento M2026/02/25M2.4
Ultima tempesta geomagnetica2026/02/22Kp5+ (G1)
Giorni senza macchie
Ultimi 365 giorni3 giorni
20263 giorni (5%)
Ultimo giorno senza macchie2026/02/24
Media mensile Numero di Macchie Solari
gennaio 2026112.6 -11.4
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Ultimi 30 giorni79 -41.8

Questo giorno nella storia*

Brillamenti solari
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32002M3.28
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DstG
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*dal 1994

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