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Daily bulletin on solar and geomagnetic activity from the SIDC

Emesso: 2014 Aug 21 0956 UTC

SIDC Forecast

Valid from 1230 UTC, 21 Aug 2014 until 23 Aug 2014
Brillamenti solari

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

Geomagnetism

Quiet (A<20 and K<4)

Protoni solari

Quiet

10cm fluxAp
21 Aug 2014122007
22 Aug 2014123007
23 Aug 2014123007

Bulletin

We expect continued C-class flaring activity from several active regions on the disc. A new -yet unnumbered- active region has crossed the solar NE limb and might boost solar activity further in the coming days. Quiet geomagnetic conditions are expected in the coming 3 days: there are no high speed wind streams expected from coronal holes, nor are there any new CMEs on the way to the Earth.

Today's estimated international sunspot number (ISN): 083, based on 16 stations.

Solar indices for 20 Aug 2014

Wolf number Catania///
10cm solar flux118
AK Chambon La Forêt///
AK Wingst008
Estimated Ap007
Estimated international sunspot number073 - Based on 22 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 X2026/02/04X4.3
Ultimo brillamento M2026/02/11M1.4
Ultima tempesta geomagnetica2026/02/05Kp5+ (G1)
Giorni senza macchie
Ultimo giorno senza macchie2022/06/08
Media mensile Numero di Macchie Solari
gennaio 2026112.6 -11.4
febbraio 2026129.4 +16.8
Ultimi 30 giorni132 +34.3

Questo giorno nella storia*

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*dal 1994

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