Visualizzazione archivio di lunedì, 20 maggio AM

Daily bulletin on solar and geomagnetic activity from the SIDC

Emesso: 2024 May 20 1231 UTC

SIDC Forecast

Brillamenti solari

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

Geomagnetism

Quiet (A<20 and K<4)

Protoni solari

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

10cm fluxAp
20 May 2024201007
21 May 2024201013
22 May 2024201022

Solar Active Regions and flaring

There are nine visible ARs on the solar disk. Flaring activity was driven by NOAA AR 3685 (beta-gamma magnetic field configuration) with three M-class flares, the strongest being an M2.5 one peaking at 17:47 UTC on 21 May. NOAA AR 3683 (beta magnetic field configuration) has produced several C-class flares today and has potential for stronger ones. More M-class flares are likely and X-class flares are possible in the next 24 hours.

Espulsioni di massa coronale

A full halo CME was first seen at 05:36 UT on LASCO C2, originating from an eruption close to NOAA AR 3683 (located at the southwest, at S25W60), associated with a C6.7 flare. The CME speed is around 1500 km/s.The bulk of the CME is directed to the southwest, but a glancing blow can be expected on 22 May.

Vento solare

The solar wind at the Earth is slow, with speeds around 350 km/s and interplanetary magnetic field around 8 nT. There are low chances of a glancing blow from the CME on 17 May, otherwise slow wind conditions can be expected for the next 24 hours.

Geomagnetism

Geomagnetic conditions have been quiet in the last 24 hours (Kp and K_BEL up to 2). If we see a glancing blow from the 17 May CME, disturbed conditions may occur, otherwise quiet conditions can be expected for the next 24 hours.

Proton flux levels

The 10 MeV GOES-18 proton flux was below threshold in the past 24 hours. It may increase over the next hours as a result of the halo CME from 05:36 UTC.

Electron fluxes at geostationary orbit

The greater than 2 MeV electron flux from GOES 16 was below the threshold level in the last 24 hours. It is expected to remain below the threshold during the next 24 hours. The electron fluence was at normal levels for the last 24 hours and is expected to remain so.

Today's estimated international sunspot number (ISN): 146, based on 22 stations.

Solar indices for 19 May 2024

Wolf number Catania///
10cm solar flux201
AK Chambon La Forêt015
AK Wingst012
Estimated Ap011
Estimated international sunspot number167 - Based on 25 stations

Noticeable events summary

DayBeginMaxFineLocStrengthOP10cmCatania/NOAARadio burst types
19133713441348S10E36M1.91N10/3685III/3
19174717561800S10E34M2.51B10/3685III/3
19215321592203S09E34M1.61N10/3685III/2

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!

Molte persone vengono su SpaceWeatherLive per seguire l'attività del Sole o sapere se ci sia la possibilità di vedere l'aurora, ma a maggior traffico corrispondono costi maggiori. Considerate una donazione se vi piace SpaceWeatherLive così che possiamo mantenere online il sito web!

Dona SpaceWeatherLive Pro
Supporta SpaceWeatherLive con il nostro merchandise
Dai un'occhiata al nostro merchandise

Notizie sul meteo spaziale

Ultimo brillamento X2025/03/28X1.1
Ultimo brillamento M2025/04/01M2.5
Ultima tempesta geomagnetica2025/03/27Kp5 (G1)
Giorni senza macchie
Ultimo giorno senza macchie2022/06/08
Media mensile Numero di Macchie Solari
marzo 2025134.2 -20.4
aprile 2025143 +8.8
Ultimi 30 giorni129.8 -16.3

Questo giorno nella storia*

Brillamenti solari
12002M8.82
21999M6.76
32001M2.91
42003M2.74
52001M2.31
DstG
11979-202G3
21988-133G3
31984-120G4
42004-117G2
51994-111G3
*dal 1994

Social networks