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Daily bulletin on solar and geomagnetic activity from the SIDC

Emesso: 2014 Sep 15 1321 UTC

SIDC Forecast

Valid from 1230 UTC, 15 Sep 2014 until 17 Sep 2014
Brillamenti solari

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

Geomagnetism

Quiet (A<20 and K<4)

Protoni solari

Warning condition (activity levels expected to increase, but no numeric forecast given)

10cm fluxAp
15 Sep 2014139001
16 Sep 2014135007
17 Sep 2014130007

Bulletin

Only minor C class flares in past 24 hours, with a C3.1 from Catania 45 (NOAA 2157, peak 00:27 UT) being the strongest one. More C-class flaring activity can be expected, with M-flares less likely. Geomagnetic conditions have been quiet and are expected to remain so, unless a CME from a filament eruption from close to disk center on September 12 arrives to the Earth in the next 24 hours (no obvious CME could be detected).

Today's estimated international sunspot number (ISN): 068, based on 17 stations.

Solar indices for 14 Sep 2014

Wolf number Catania///
10cm solar flux139
AK Chambon La Forêt005
AK Wingst003
Estimated Ap002
Estimated international sunspot number071 - Based on 19 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 X2025/12/08X1.1
Ultimo brillamento M2025/12/29M1.0
Ultima tempesta geomagnetica2025/12/22Kp5 (G1)
Giorni senza macchie
Ultimo giorno senza macchie2022/06/08
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