Vaata esmaspäev, 24 juuli 2023 arhiivi

SIDC igapäevane bülletään päikese ja geomagnetilise aktiivsuse kohta

Välja antud: 2023 Jul 24 1231 UTC

SIDC ennustus

Päikesepursked ehk loited

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

Geomagnetism

Quiet (A<20 and K<4)

Päikese prootonid

Quiet

10 cm voolAp
24 Jul 2023172006
25 Jul 2023175009
26 Jul 2023177015

Päikese aktiivsed piirkonnad ja pursked

Solar flaring activity was low but frequent during the past 24 hours. NOAA Active Region (AR) 3373 (magnetic type Beta, Catania group 81) produced the brightest event, a C9 today 04:26 UTC. NOAA AR 3372 (magnetic type Beta, Catania group 78) and NOAA AR 3379 (magnetic type Beta-Gamma, Catania group 91) also produced bright C-class events, with the brightest being a C8 in both cases. Further C-class flaring activity is very likely in the next 24 hours. An isolated M-class flare either from NOAA AR 3372, 3373, 3379 or 3380 (magnetic type Beta) is likely, while there is a small chance of an X-flare for the next 24 hours.

Krooniaine massiline väljavool

A partial halo Coronal Mass Ejection (CME) can be seen in LASCO2/SOHO data as launched yesterday 15:05 UTC. It is expected to deliver a glancing blow to the Earth's environment in the morning of 26 Jul.

Krooniauk

A small, southern, coronal hole (CH) with positive polarity will cross the solar central meridian today. The resulting High Speed Streams (HSS) is expected to become geo-effective on 27 Jul.

Päikesetuul

The Solar Wind (SW) conditions were typical of the slow SW regime during the last 24 hours. The SW speed gradually dropped from 490 to 300 km/s in the last 24 hours. The total interplanetary magnetic field (Bt) varied between 3 and 7 nT and its North-South component (Bz) ranged between -6 and 6 nT. The interplanetary magnetic field phi angle was almost exclusively directed towards the Sun during the past 24 hours. A High Speed Stream (HSS) with negative polarity is expected to arrive in the next 24 hours, as a result of the Corona Hole (CH) crossing that took place at 20 Jul.

Geomagnetism

Geomagnetic conditions were quiet both globally and locally (NOAA Kp 1 to 2+ and K BEL 1 to 1) during the past 24 hours, with the exception of a locally unsettled (K BEL 3) periods yesterday (15:00-18:00 UTC) and today (00:00-03:00 UTC). They are expected to continue at quiet levels both globally and locally for the next 24 hours.

Prootoni voo tasemed

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

Elektronivoog geostatsionaarsel orbiidil

The greater than 2 MeV electron flux remained below the 1000 pfu alert threshold and is expected to remain below this threshold during the next 24 hours. The 24h electron fluence was at nominal levels and is expected to remain so.

Tänane hinnanguline rahvusvaheline päikeselaikude arv (ISN): 137, põhineb 16 jaamadel.

Päikese indeksid 23 Jul 2023

Catania Wolfi number///
10cm päikesevoog173
AK Chambon La Forêt014
AK Wingst008
Hinnanguline Ap008
Hinnanguline rahvusvaheline päikeselaikude arv137 - Põhineb 21 jaamal

Märkimisväärsete sündmuste kokkuvõte

PäevAlgusMaksLõppLokatsioonTugevusOP10cmCatania/NOAARaadiosignaalipursete tüübid
Puuduvad

Andmed on esitanud Päikeseinfektide Andmeanalüüsi Keskus (Solar Influences Data Analysis Center)© - SIDC - Töötleb SpaceWeatherLive

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