Vaata pühapäev, 26 mai 2024 arhiivi

Daily bulletin on solar and geomagnetic activity from the SIDC

Välja antud: 2024 May 26 1231 UTC

SIDC Forecast

Päikesepursked ehk loited

C-class flares expected, (probability >=50%)

Geomagnetism

Quiet (A<20 and K<4)

Päikese prootonid

Quiet

10cm fluxAp
26 May 2024152007
27 May 2024154007
28 May 2024156007

Solar Active Regions and flaring

There are seven visible ARs on the solar disk. Solar activity has been low, only C-class flaring in the last 24 hours. The region that was creating most of the activity, NOAA AR 3679, has now rotated out of view. The strongest flare was a C5.3 one peaking at 09:36 UTC, from NOAA AR 3691. This is the AR that caused several X-flares in the last rotation. Still showing a beta-gamma-delta magnetic field configuration, this AR has potential for strong flares, but seems so far calmer than in the previous rotation. More C-class flares can be expected and M-class flares are possible.

Krooniaine massiline väljavool

No Earth directed CME has been observed in the last 24 hours.

Päikesetuul

The solar wind at the Earth is slow, with speeds around 360 km/s and interplanetary magnetic field around 6 nT. Similar conditions can be expected for the next 24 hours. There are low chances of a glancing blow of the CME from 23 May after that.

Geomagnetism

Geomagnetic conditions have been mostly quiet both at planetary and local levels (Kp and K_Bel up to 3).Similar conditions can be expected in the next 24 hours. A glancing blow from the 23 May CME (with low chances of arrival) may create active conditions.

Proton flux levels

The 10 MeV GOES-18 proton flux was below threshold in the past 24 hours and is expected to remain so in the next 24 hours.

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): 113, based on 16 stations.

Solar indices for 25 May 2024

Wolf number Catania///
10cm solar flux152
AK Chambon La Forêt010
AK Wingst009
Estimated Ap007
Estimated international sunspot number104 - Based on 26 stations

Noticeable events summary

DayBeginMaxLõppLocStrengthOP10cmCatania/NOAARadio burst types
Puuduvad

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

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