Visualizzazione archivio di martedì, 30 luglio AM

Daily bulletin on solar and geomagnetic activity from the SIDC

Emesso: 2019 Jul 30 1231 UTC

SIDC Forecast

Valid from 1230 UTC, 30 Jul 2019 until 01 Aug 2019
Brillamenti solari

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

Geomagnetism

Active conditions expected (A>=20 or K=4)

Protoni solari

Quiet

10cm fluxAp
30 Jul 2019066007
31 Jul 2019067010
01 Aug 2019067014

Bulletin

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

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

The solar wind speed is at 360 km/s with interplanetary magnetic field magnitude of 3 nT. Quiet conditions have been observed in the past 24 h. Geomagnetic activity will remain quiet until the high speed solar wind from a negative polarity equatorial coronal hole arrives to the Earth on August 1 (mostly active conditions expected then).

Today's estimated international sunspot number (ISN): 000, based on 23 stations.

Solar indices for 29 Jul 2019

Wolf number Catania000
10cm solar flux066
AK Chambon La Forêt008
AK Wingst006
Estimated Ap005
Estimated international sunspot number000 - Based on 29 stations

Noticeable events summary

DayBeginMaxFineLocStrengthOP10cmCatania/NOAARadio burst types
Nessuna

Provided by the Solar Influences Data analysis Center© - SIDC - Processed by SpaceWeatherLive

Tutti gli orari in UTC

<< Vai alla pagina della panoramica giornaliera

Ultime notizie

Supporta SpaceWeatherLive.com!

A lot of people come to SpaceWeatherLive to follow the Solar activity or if there is a chance to see the aurora, but with more traffic comes higher costs to keep the servers online. If you like SpaceWeatherLive and want to support the project you can choose a subscription for an ad-free site or consider a donation. With your help we can keep SpaceWeatherLive online!

No Ads on SWL Pro!
No Ads on SWL Pro! Abbonamenti
Donations
Supporta SpaceWeatherLive.com! Dona
Supporta SpaceWeatherLive con il nostro merchandise
Dai un'occhiata al nostro merchandise

Notizie sul meteo spaziale

Ultimo brillamento X2026/01/18X1.9
Ultimo brillamento M2026/01/21M3.4
Ultima tempesta geomagnetica2026/01/22Kp5+ (G1)
Giorni senza macchie
Ultimo giorno senza macchie2022/06/08
Media mensile Numero di Macchie Solari
dicembre 2025124 +32.2
gennaio 2026114.4 -9.6
Ultimi 30 giorni118.1 +9.1

Questo giorno nella storia*

Brillamenti solari
12012X1.26
22024M5.12
32024M4.3
42003M3.59
52024M2.44
DstG
11957-114G1
22000-96G2
31979-84G1
42004-78G2
52012-71G1
*dal 1994

Social networks