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Dagelijks bulletin over zonne- en geomagnetische activiteit van het SIDC

Datum verslag: 2024 May 05 1231 UTC

SIDC Prognose

Zonnevlammen

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

Geomagnetisme

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

Proton Flux monitor

Quiet

10cm fluxAp
05 May 2024175016
06 May 2024180013
07 May 2024184011

Zonnevlekkengebieden en zonnevlammen

Solar flaring activity over the past 24 hours was at high levels. The largest flare was a X1.3-flare, with peak time 06:01 UTC on May 05 associated with NOAA AR 3663 (beta-gamma-delta). There are currently 7 numbered active regions on the visible disk. NOAA AR 3663 (beta-gamma-delta) is the largest and the most magnetically complex region and produced most of the flaring activity in the last 24 hours. NOAA AR 3664 (beta-gamma) is second largest and magnetically complex region, but was relatively inactive. NOAA AR 3667 (alfa) has rotated on disk. All other regions were inactive and stable. The solar flaring activity is likely to be at high levels over the coming days with C-class flares expected and M-class flares expected and X-class flares possible.

Coronale massa uitstoten

At the time of writing no LASCO C2 and C3 data seems to be available for May 04 and 05. An eruption is seen close to the west Limb of the Sun in SDO 304, 171 and 193 at 15:16 UT on May 04 but is mostly back sided, the corresponding Coronal Mass Ejection (CME) will likely not arrive at Earth. Further analysis of a CME, detected at 21:17 UTC on May 03 in LASCO C2 data, shows a possible glancing blow at Earth on May 08.

Zonnewind

Slow solar wind conditions were recorded over the past 24 hours. The solar wind speed gently declined from around 365 km/s to around 310 km/s. The interplanetary magnetic field varied between 2 nT and 6 nT, with the Bz reaching a minimum value of -6 nT. The phi-angle was mainly in the negative sector (directed towards the Sun) with periods in the positive sector. The solar wind is may become perturbed late on May 05, due to two possible ICME arrivals and the arrival of a high-speed stream from a positive polarity coronal hole.

Geomagnetisme

Geomagnetic conditions were globally quiet to unsettled (Kp 1-3) with some active periods locally (K_Bel 1-4). Active conditions are expected in the next 24 hours, with periods of minor geomagnetic storms possible.

Proton flux niveaus

Over the past 24 hours the greater than 10 MeV GOES proton flux was at background levels and is expected to remain so over the next days.

Elektronenfluxen in geostationaire baan

The greater than 2 MeV electron flux measured by GOES 16 and GOES 18 was below the 1000 pfu threshold and is expected to remain so in the upcoming days. The 24h electron fluence was at nominal level and is expected to remain so in the next days.

Het geschatte internationale zonnevlekkengetal (ISN) van vandaag: 161, gebaseerd op 13 stations.

Zon indexen voor 04 May 2024

Wolfgetal Catania///
10cm zonneflux167
AK Chambon La Forêt010
AK Wingst007
Geschatte Ap006
Geschat internationaal zonnevlekkengetal164 - Gebaseerd op 19 stations

Overzicht opvallende gebeurtenissen

DagStartMaxEindeLocatieSterkteOP10cmCatania/NOAASoorten radio-uitbarstingen
04181018201825----M1.384/3663
04222322372254----M3.284/3663
04232823482355N26W10M9.01B84/3663III/1
05011501270143N26W10M8.41B84/3663VI/1
05054706010607----X1.386/3664III/3
05080708190824N27W21M1.3SF84/3663
05092309380953S18E26M2.3SF86/3664
05095310001019----M7.484/3663

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
12001X8.08
22004M3.44
32023M3.01
42000M2.7
52006M2.02
DstG
12000-291G4
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