Visualizzazione archivio di sabato, 1 agosto AM

Daily bulletin on solar and geomagnetic activity from the SIDC

Emesso: 2015 Aug 01 1230 UTC

SIDC Forecast

Valid from 1230 UTC, 01 Aug 2015 until 03 Aug 2015
Brillamenti solari

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

Geomagnetism

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

Protoni solari

Quiet

10cm fluxAp
01 Aug 2015101021
02 Aug 2015103013
03 Aug 2015105007

Bulletin

Solar activity is low, no C-class flares in past 24 h. NOAA AR 2390 has beta-gamma magnetic field configuration and could produce C-class flares.

The Earth is under the influence of a fast speed stream emanating from a coronal hole, solar wind speeds are around 600 km/s with interplanetary magnetic field magnitudes of 5 nT. Active conditions were observed overnight and more active periods can be expected in the next 24 hours.

Today's estimated international sunspot number (ISN): 059, based on 15 stations.

Solar indices for 31 Jul 2015

Wolf number Catania///
10cm solar flux101
AK Chambon La Forêt025
AK Wingst023
Estimated Ap021
Estimated international sunspot number/// - Based on /// 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 X2026/03/30X1.4
Ultimo brillamento M2026/03/28M1.3
Ultima tempesta geomagnetica2026/03/25Kp5+ (G1)
Giorni senza macchie
Ultimi 365 giorni3 giorni
20263 giorni (3%)
Ultimo giorno senza macchie2026/02/24
Media mensile Numero di Macchie Solari
febbraio 202678.2 -34.3
marzo 202688.4 +10.2
Ultimi 30 giorni88.4 +14.9

Questo giorno nella storia*

Brillamenti solari
12022M9.67
22000M5.89
32001M3.06
42000M2.9
52000M2.71
DstG
12001-387G4
21960-191G4
31989-100G2
41990-88
52003-78G2
*dal 1994

Aurora on this day in history

No observations submitted for this day in history. If you've observed the aurora and you have some amazing photos to show off, submit your observations now!
Submit your aurora observation

Social networks