Het archief bekijken van maandag 24 juni 2024

Dagelijks bulletin over zonne- en geomagnetische activiteit van het SIDC

Datum verslag: 2024 Jun 24 1232 UTC

SIDC Prognose

Zonnevlammen

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

Geomagnetisme

Quiet (A<20 and K<4)

Proton Flux monitor

Quiet

10cm fluxAp
24 Jun 2024191005
25 Jun 2024193007
26 Jun 2024195007

Zonnevlekkengebieden en zonnevlammen

Solar flaring activity was at moderate levels, with multiple C-class flares and four M-class flares recorded in the past 24 hours. The largest flare of the period was an impulsive M9.3 flare, peaking at 13:01 UTC on June 23, associated with NOAA AR 3723. The region corresponds to the return of old NOAA AR 3697, which produced several X-flares in the previous rotations. NOAA AR 3712, that rotated over the west limb, produced two M-class flares (M1.3 and M1.8, peaking at 04:17 UTC and 04:52 on June 24). Low flaring activity was also produced by NOAA AR 3716 (beta class) and NOAA AR 3720 (beta). The solar flaring activity is expected to be at moderate levels over the next 24 hours, with M-class flares possible and a small chance of isolated X-class flares.

Coronale massa uitstoten

A partial halo coronal mass ejection (CME) was observed in LASCO/C2 coronagraph data starting at 03:48 UTC on June 24th. The CME is directed primarily to the southwest from the Earth's perspective and is likely associated with a prominence eruption from behind the southwest limb. Based on the source location, no Earth-directed component of this CME is expected. No other Earth-directed CMEs have been detected in the available coronagraph imagery over the past 24 hours.

Zonnewind

The solar wind parameters showed a return to the slow solar wind regime. The wind speed decreased form 360 km/s to 300 km/s. The southward component of the interplanetary magnetic field fluctuated between -5 nT and 7 nT, being mainly positive. The total interplanetary magnetic field decreased to values around 3 nT. The magnetic field orientation was predominantly in the negative sector (field directed towards the Sun). Slow solar wind conditions are expected to prevail over the next few days.

Geomagnetisme

The geomagnetic conditions over the past 24 hours were at quiet to unsettled levels globally (NOAA Kp = 1-3-). Locally, a single active period between 12:00-15:00 UTC on June 23 was observed over Belgium (K-Bel = 1-4). Mostly quiet conditions are expected over the next 24 hours.

Proton flux niveaus

Over the past 24 hours, the greater than 10 MeV GOES proton flux was at nominal levels and is expected to remain so, with possible enhancements in case of increased solar activity over the next few days.

Elektronenfluxen in geostationaire baan

The greater than 2 MeV electron flux remained below the 1000 pfu threshold as measured by GOES 16. It is expected to remain below this threshold over the next days. The 24-hour electron fluence was at nominal levels. The electron fluence is expected remain at nominal levels over the next days.

Het geschatte internationale zonnevlekkengetal (ISN) van vandaag: 152, gebaseerd op 18 stations.

Zon indexen voor 23 Jun 2024

Wolfgetal Catania///
10cm zonneflux196
AK Chambon La Forêt019
AK Wingst013
Geschatte Ap013
Geschat internationaal zonnevlekkengetal158 - Gebaseerd op 20 stations

Overzicht opvallende gebeurtenissen

DagStartMaxEindeLocatieSterkteOP10cmCatania/NOAASoorten radio-uitbarstingen
23125113011311S17E74M9.31N--/3723
24040804170423----M1.3--/3712
24044504520456----M1.8--/3712
24114411481153----M1.5--/----

Aangeboden door het Solar Influences Data Analysis Center© - SIDC - Verwerkt door SpaceWeatherLive

Alle tijden in UTC

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Deze dag in de geschiedenis*

Zonnevlammen
12006M1.39
22002M1.38
31997C9.01
42002C8.7
52002C6.29
DstG
12000-292G4
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*sinds 1994

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