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Daily bulletin on solar and geomagnetic activity from the SIDC

Emesso: 2013 Jan 12 1201 UTC

SIDC Forecast

Valid from 1230 UTC, 12 Jan 2013 until 14 Jan 2013
Brillamenti solari

Active (M-class flares expected, probability >= 50%)

Geomagnetism

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

Protoni solari

Quiet

10cm fluxAp
12 Jan 2013173002
13 Jan 2013173001
14 Jan 2013173001

Bulletin

NOAA AR 1654 still has the potential for M class flares in the coming 48 hours, with a slight risk for an X flare; we therefore forecast active conditions for solar activity. An M 1.0 flare occurred on Jan. 11, in this region, at 1507 UT (peak time). So far, no Earth-directed CME, related to this region's flaring activity can be observed. However warning conditions are issued for the geomagnetic activity. Current conditions are quiet.

Today's estimated international sunspot number (ISN): 105, based on 07 stations.

Solar indices for 11 Jan 2013

Wolf number Catania///
10cm solar flux172
AK Chambon La Forêt010
AK Wingst003
Estimated Ap003
Estimated international sunspot number110 - Based on 12 stations

Noticeable events summary

DayBeginMaxFineLocStrengthOP10cmRadio burst typesCatania/NOAA
11084309110917N05E36M1.2VI/2,II/1,IV/164/1654
11145115071524N06E39M1.01F64/1654

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 M2026/03/26M4.0
Ultima tempesta geomagnetica2026/03/25Kp5+ (G1)
Giorni senza macchie
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Questo giorno nella storia*

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