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Daily bulletin on solar and geomagnetic activity from the SIDC

Emesso: 2016 Jul 27 1230 UTC

SIDC Forecast

Valid from 1230 UTC, 27 Jul 2016 until 29 Jul 2016
Brillamenti solari

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

Geomagnetism

Minor storm expected (A>=30 or K=5)

Protoni solari

Quiet

10cm fluxAp
27 Jul 2016074010
28 Jul 2016074016
29 Jul 2016076007

Bulletin

Flaring activity has been very low, no C-class flares in past 24 h. The situation is not expected to change in the coming hours.

Geomagnetic conditions have been quiet. Solar wind speed is currently at 350 km/s with interplanetary magnetic field magnitude of 5 nT. The arrival of a high speed stream from an equatorial coronal hole is expected in the coming 24 h. Active to minor storm conditions expected.

Today's estimated international sunspot number (ISN): 000, based on 25 stations.

Solar indices for 26 Jul 2016

Wolf number Catania///
10cm solar flux074
AK Chambon La Forêt008
AK Wingst006
Estimated Ap005
Estimated international sunspot number000 - Based on 34 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 X2026/03/30X1.5
Ultimo brillamento M2026/04/09M1.0
Ultima tempesta geomagnetica2026/04/03Kp7- (G3)
Giorni senza macchie
Ultimi 365 giorni3 giorni
20263 giorni (3%)
Ultimo giorno senza macchie2026/02/24
Media mensile Numero di Macchie Solari
marzo 202685.9 +7.7
aprile 202688.1 +2.2
Ultimi 30 giorni93.2 +32.7

Questo giorno nella storia*

Brillamenti solari
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DstG
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52015-79G1
*dal 1994

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