Vaata teisipäev, 31 mai 2022 arhiivi

Daily bulletin on solar and geomagnetic activity from the SIDC

Välja antud: 2022 May 31 1232 UTC

SIDC Forecast

Valid from 1230 UTC, 31 May 2022 until 02 Jun 2022
Päikesepursked ehk loited

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

Geomagnetism

Quiet (A<20 and K<4)

Päikese prootonid

Quiet

10cm fluxAp
31 May 2022101007
01 Jun 2022098007
02 Jun 2022096007

Bulletin

Over the past 24 hours, solar flaring activity has been very low, no C-class flares observed. There are three active regions on the disc, two of magnetic type alpha and one beta. For the next 24 hours, C-class flares are possible.

No Earth directed CMEs were detected in the past 24 hours.

The greater than 10 MeV proton flux was at nominal levels and is expected to remain so in the next 24 hours.

The greater than 2MeV electron has been fluctuating around the 1000 pfu threshold over the past 24 hours. It can be expected to remain elevated in the next 24 hours. The 24h electron fluence is changing at moderate levels, is expected to be at moderate levels in the next 24 hours.

Over the past 24 hours, the solar wind conditions reflect the continuing effects of the high speed stream. The magnetic field values were around 5nT, while Bz had no long periods below -5 nT. The solar wind speed was measured (DSCOVR) decreased to around 515 km/s. The interplanetary magnetic field phi angle was on the negative sector (towards the Sun). Over the next 24 hours, we are expecting those effects from high speed stream to slowly fade.

Over the past 24 hours, geomagnetic conditions were quiet to unsettled (Kp=K Dourbes=3). Over the next 24 hours, quiet to unsettled conditions are expected.

Today's estimated international sunspot number (ISN): 070, based on 23 stations.

Solar indices for 30 May 2022

Wolf number Catania078
10cm solar flux101
AK Chambon La Forêt014
AK Wingst010
Estimated Ap010
Estimated international sunspot number056 - Based on 29 stations

Noticeable events summary

DayBeginMaxLõppLocStrengthOP10cmCatania/NOAARadio burst types
Puuduvad

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

Kõik ajad UTC-s

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