Vaata pühapäev, 3 märts 2024 arhiivi

SIDC igapäevane bülletään päikese ja geomagnetilise aktiivsuse kohta

Välja antud: 2024 Mar 03 1232 UTC

SIDC ennustus

Päikesepursked ehk loited

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

Geomagnetism

Active conditions expected (A>=20 or K=4)

Päikese prootonid

Quiet

10 cm voolAp
03 Mar 2024150019
04 Mar 2024148010
05 Mar 2024150007

Päikese aktiivsed piirkonnad ja pursked

Solar flaring activity over the past 24 hours was at low levels. The largest flare was a C6.6 flare with peak time at 12:58 UTC on March 2 (from NOAA AR 3595, beta-gamma). Weaker C-class flares were observed from NOAA ARs 3590, 3595, 3598, and 3600. There are currently 6 numbered active regions on the visible disk. NOAA AR 3595 (beta-gamma) is the most magnetically complex region on the disk. NOAA AR 3590 has rotated beyond the north-west limb, while NOAA ARs 3592, 3595, and 3597 have decayed to plages. A new active region (NOAA AR 3600) has rotated into the visible disk from the south-east limb and has showed some flaring activity in the past 24 hours. All other regions were inactive. The solar flaring activity is likely to be at moderate levels over the coming days with C-class flares expected, M-class flares possible, and a small chance for X-class flares.

Krooniaine massiline väljavool

Based on currently available coronagraph images, no Earth directed coronal mass ejections have been observed in the past 24 hours.

Krooniauk

The small high latitude southern coronal hole (positive polarity) finished crossing the central meridian in the early hours (UTC) of March 3. No impact from this coronal hole is expected at Earth.

Päikesetuul

In the past 24 hours, slow solar wind conditions followed by the arrival of an interplanetary structure, most likely related to a coronal mass ejection (CME) from February 28, were observed. Between 12:00 UTC on March 2 and 08:47 UTC on March 3, the solar wind speed remained between 270 km/s and 310 km/s, while the total interplanetary magnetic field was below 4 nT. Around 08:47 UTC on March 3, a fast forward shock was detected in ACE data, leading to jumps in the magnetic field strength (from 2 nT to 5 nT), solar wind speed (from 280 km/s to 330 km/s), density, and temperature. Following the shock, the magnetic field continued to increase and exceeded 18 nT, while the magnetic field Bz (north-south) component reached a minimum of -15 nT. In the past 24 hours, the phi-angle remained predominantly in the negative sector (directed towards the Sun), with a prolonged period in the positive sector (away from the Sun) in the late hours (UTC) of March 2. In the next 24 hours, the solar wind conditions are expected to be disturbed under the influence of the interplanetary CME.

Geomagnetism

Geomagnetic conditions were globally and locally unsettled (Kp 3 and K Bel 3) in the past 24 hours. Active geomagnetic conditions are expected in the next 24 hours in relation to the passage of an interplanetary coronal mass ejection.

Prootoni voo tasemed

Over the past 24 hours the greater than 10 MeV GOES proton flux was at nominal levels and is expected to remain so over the next 24 hours. Some enhancements are possible in the case of an eruptive activity from the western solar hemisphere.

Elektronivoog geostatsionaarsel orbiidil

The greater than 2 MeV GOES 16 electron flux was slightly enhanced but remained below the 1000 pfu threshold, while the 24h electron fluence was at nominal level. In the next 24 hours, both quantities may increase and exceed their alert thresholds under the influence of the interplanetary structure currently crossing the Earth.

Tänane hinnanguline rahvusvaheline päikeselaikude arv (ISN): 108, põhineb 07 jaamadel.

Päikese indeksid 02 Mar 2024

Catania Wolfi number///
10cm päikesevoog152
AK Chambon La Forêt009
AK Wingst005
Hinnanguline Ap003
Hinnanguline rahvusvaheline päikeselaikude arv102 - Põhineb 17 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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