Vaata esmaspäev, 14 august 2023 arhiivi

SIDC igapäevane bülletään päikese ja geomagnetilise aktiivsuse kohta

Välja antud: 2023 Aug 14 1242 UTC

SIDC ennustus

Päikesepursked ehk loited

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

Geomagnetism

Quiet (A<20 and K<4)

Päikese prootonid

Quiet

10 cm voolAp
14 Aug 2023148006
15 Aug 2023145004
16 Aug 2023144015

Päikese aktiivsed piirkonnad ja pursked

The solar flaring activity was at low levels. There are 6 numbered regions on the solar disk. NOAA AR 3395 was most active producing a number of low level C-class flares. NOAA AR 3403 exhibited some minor growth. NOAA AR 3394 is expected to rotate off the disk over the next hours. Two new sunspots have rotated onto the disk over the east limb, one of which in the south east has been numbered NOAA AR 3404, both regions appear small and simple. The solar flaring activity is expected to be at low levels over the next 24 hours with C-class flares likely and a low chance for isolated M-class flares.

Krooniaine massiline väljavool

A small filament eruption was observed in SDO/AIA 304 form 19:40 UTC August 13 located around S30E43. A weak Coronal Mass Ejection (CME) is then also seen in LASCO C2 to the south-east. This eruption is currently being analysed to see if there could be a possible Earth directed component. There were no other Earth-directed CMEs detected in the available coronagraph observations.

Krooniauk

A positive polarity coronal hole in the northern hemisphere and a negative polarity coronal hole in the southern hemisphere began to transit the central meridian on August 12 and 13, respectively.

Päikesetuul

The solar wind conditions reflected a slow solar wind regime. The interplanetary magnetic field ranged between 1 nT and 5 nT. Bz had a minimum value of -4nT. The solar wind speed ranged between 330 and 400 km/s. The interplanetary magnetic field orientation was predominantly in the negative sector (field directed towards from the Sun). Over the next 24 hours, the interplanetary magnetic field and solar wind speed are expected continue to reflect a slow solar wind regime. A slight enhancement in the solar wind speed could be expected from August 16 in response to the solar wind associated with the positive coronal hole, which began to cross the central meridian on August 12.

Geomagnetism

During last 24 hours the geomagnetic conditions were at quiet levels globally (NOAA KP 1-2), with some local unsettled intervals (K-Bel 0-3). Geomagnetic conditions are expected to be at quiet to unsettled levels on August 14 and 15. Active conditions may be possible from August 16.

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 days.

Elektronivoog geostatsionaarsel orbiidil

The greater than 2 MeV electron oscillated around 1000 pfu threshold, crossing this threshold for a short period. It is expected to continue to exceed this threshold over the next days. The 24h electron fluence was at nominal to moderate levels. The electron fluence is expected to be at nominal to moderate levels for the next days.

Tänane hinnanguline rahvusvaheline päikeselaikude arv (ISN): 117, põhineb 21 jaamadel.

Päikese indeksid 13 Aug 2023

Catania Wolfi number///
10cm päikesevoog150
AK Chambon La Forêt009
AK Wingst006
Hinnanguline Ap005
Hinnanguline rahvusvaheline päikeselaikude arv101 - Põhineb 26 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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