Vaata kolmapäev, 13 detsember 2023 arhiivi

Daily bulletin on solar and geomagnetic activity from the SIDC

Välja antud: 2023 Dec 13 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
13 Dec 2023126010
14 Dec 2023124013
15 Dec 2023126021

Solar Active Regions and flaring

The solar flaring activity was at low levels, with several C-class flares recorded in the past 24 hours. The largest flare was a C8.2 flare, peaking at 13:42 on Dec 12, associated with the NOAA AR 3514 (beta class). This region was the main driver of the flaring activity observed over the past 24 hours together with NOAA AR 3513 (beta class). Other regions on the disc have simple configuration of their photospheric magnetic field (alpha and beta) and did not show any significant flaring activity. The solar flaring activity is expected to be at low levels over the next 24 hours with C-class flares likely and a chance for isolated M-class flares.

Krooniaine massiline väljavool

A partial halo coronal mass ejection (CME) was observed in SOHO/LASCO-C2 from 19:12 UTC on December 12 (detected also by CACTUS software). The CME is directed primarily to the South-East from Earth perspective. This is a back-sided eruption and is not expected to impact Earth. A faint partial halo CME was observed in SOHO/LASCO-C2 at around 23:36 UTC on December 12, directed towards the North-West from Earth perspective. The coronal mass ejection is likely associated to C2.9 flare from NOAA AR 3514 and a small coronal dimming. Due to the source location it may have an Earth directed component. Full analysis is still ongoing, and more details will be provided later.

Päikesetuul

Over the past 24 hours the solar wind parameters were reflecting near slow solar wind conditions. The interplanetary magnetic field magnitude decreased from 9 nT to 7 nT. The solar wind speed ranged between 360 and 400 km/s. The southward component of the interplanetary magnetic field fluctuated between -8 nT and 7 nT. Similar conditions are expected in the next 24 hours, with a small chance of a week enhancement on December 14-15 due to the arrival of a high-speed stream from a positive polarity coronal hole.

Geomagnetism

The geomagnetic conditions over the past 24 hours were mostly quiet to unsettled (NOAA-Kp=1-3, K-Bel=1-3) with a single active period registered globally (NOAA-Kp = 4) during the interval 12-18 UTC on Dec 12 and locally (K-Bel = 4) between 14-16 UTC on Dec 12. Geomagnetic conditions are expected to be at quiet to unsettled levels, with a chance of active conditions on Dec 14-15, due to a possible HSS influence.

Proton flux levels

The greater than 10 MeV proton was at the nominal levels in the past 24 hours. The proton flux is expected to remain below 10 pfu threshold over the next day, with a small chance that a particle event occurs in association with an X-class flare or a coronal mass ejection.

Electron fluxes at geostationary orbit

The greater than 2 MeV electron flux, as measured by the GOES-16 satellite, went above the 1000 pfu alert threshold during the last 24 hours due to the past fast solar wind conditions. It is expected to remain below this threshold during the next 24 hours. The 24h electron fluence was at low levels during the past 24 hours and is expected to remain at these levels for the following 24 hours.

Today's estimated international sunspot number (ISN): 116, based on 04 stations.

Solar indices for 12 Dec 2023

Wolf number Catania114
10cm solar flux126
AK Chambon La Forêt017
AK Wingst009
Estimated Ap010
Estimated international sunspot number113 - Based on 10 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

<< Mine igapäevase ülevaate lehele

Viimane uudis

Toeta SpaceWeatherLive.com-i!

Paljud inimesed külastavad SpaceWeatherLive lehte selleks, et jälgida, mis toimub Päikesel või, kas on oodata virmalisi. Suurema liiklusega on serveri koormus ning maksumus kõrgem. Kui sulle meeldib see, mida me sinu heaks teeme, siis saad sa sellele ka ise natukene kaasa aidata, annetades selle lehe käigus hoidmise ja arendamise heaks. Ette tänades SpeaceWeatherLive meeskond!

Anneta SpaceWeatherLive Pro
Toetage SpaceWeatherLive meie kaupadega
Vaadake meie kaupa

Fakte kosmose ilmast

Viimane X-loide28/03/2025X1.1
Viimane M-loide01/04/2025M2.4
Viimane geomagnetiline torm27/03/2025Kp5 (G1)
Plekivabasid päevi
Viimane päikese plekivaba päev08/06/2022
Kuu keskmine päikeseplekkide arv
veebruar 2025154.6 +17.6
aprill 2025147 -7.6
Viimased 30 päeva128.8 -21.8

See päev ajaloos*

Päikesepursked ehk loited
12001X28.5
22001X2.01
32001X1.59
42014M9.35
52017M8.22
DstG
11960-272G3
21973-173G3
32001-101G1
41976-101G1
51994-96G3
*alates 1994

Sotsiaalvõrgustikud