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Daily bulletin on solar and geomagnetic activity from the SIDC

Emesso: 2020 Feb 23 1231 UTC

SIDC Forecast

Valid from 1230 UTC, 23 Feb 2020 until 25 Feb 2020
Brillamenti solari

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

Geomagnetism

Quiet (A<20 and K<4)

Protoni solari

Quiet

10cm fluxAp
23 Feb 2020072007
24 Feb 2020072007
25 Feb 2020072007

Bulletin

No active regions visible on the Sun. No flares observed, nor expected.

No Earth directed CMEs in the past 24 h. Solar protons have remained at background levels over the past 24 hours.

The solar wind speed is at 420 km/s with interplanetary magnetic field magnitude of 4 nT. Mostly quiet geomagnetic conditions have been registered in the past 24 h. A similar situation is expected for the next 48 h.

Today's estimated international sunspot number (ISN): 000, based on 06 stations.

Solar indices for 22 Feb 2020

Wolf number Catania///
10cm solar flux072
AK Chambon La Forêt012
AK Wingst008
Estimated Ap008
Estimated international sunspot number000 - Based on 14 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 geomagnetica2026/03/03Kp5 (G1)
Giorni senza macchie
Ultimi 365 giorni3 giorni
20263 giorni (5%)
Ultimo giorno senza macchie2026/02/24
Media mensile Numero di Macchie Solari
febbraio 202678.2 -34.3
marzo 202675 -3.2
Ultimi 30 giorni56.5 -68.4

Questo giorno nella storia*

Brillamenti solari
12012X7.79
22012X1.97
32015X1.33
42011M5.29
52011M2.71
DstG
11994-109G3
21981-90G1
32012-88G2
42016-84G1
51972-72G2
*dal 1994

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