Vaata reede, 5 veebruar 2016 arhiivi

Daily bulletin on solar and geomagnetic activity from the SIDC

Välja antud: 2016 Feb 05 1230 UTC

SIDC Forecast

Valid from 1230 UTC, 05 Feb 2016 until 07 Feb 2016
Päikesepursked ehk loited

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

Geomagnetism

Quiet (A<20 and K<4)

Päikese prootonid

Quiet

10cm fluxAp
05 Feb 2016135007
06 Feb 2016140006
07 Feb 2016140007

Bulletin

Solar activity was low during the past reporting period, though the amount of C-class flares is increasing. NOAA active region (AR) 2494 was responsible for most of the flares, including a C5.1 flare, peaking at 18h22 UT. NOAA AR 2494 has rapidly grown into a complex group. Some flux emergence and cancellation was occurring at NOAA 2493. NOAA AR 2491 has strongly decayed, while the spots in the trailing region of NOAA 2490 vanished almost completely. More flares at the C-level are expected, with an increasing chance for an M-class flare. No Earth-directed coronal mass ejections (CME) were observed.

The solar wind speed slightly increased to 500 km/s. The magnitude of the magnetic field was maximally 11 nT, but decreased to a current value of 5 nT. The north-south component was fluctuating between -7 and +10 nT.

Geomagnetic conditions were quiet (K=1-2) to unsettled (K=3), both at the local (Dourbes) and global level (NOAA estimate), which is expected to continue.

Today's estimated international sunspot number (ISN): 109, based on 10 stations.

Solar indices for 04 Feb 2016

Wolf number Catania///
10cm solar flux123
AK Chambon La Forêt012
AK Wingst005
Estimated Ap005
Estimated international sunspot number116 - Based on 19 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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