Vaata laupäev, 13 veebruar 2016 arhiivi

Daily bulletin on solar and geomagnetic activity from the SIDC

Välja antud: 2016 Feb 13 1254 UTC

SIDC Forecast

Valid from 1230 UTC, 13 Feb 2016 until 15 Feb 2016
Päikesepursked ehk loited

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

Geomagnetism

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

Päikese prootonid

Quiet

10cm fluxAp
13 Feb 2016111013
14 Feb 2016109016
15 Feb 2016107030

Bulletin

Four C-class flares were reported in the past 24 hours, all in the NOAA AR 2497. The strongest flare was the C6.8 flare peaking at 17:21 UT yesterday. NOAA AR 2497 maintains beta-gamma-delta configuration of its photospheric magnetic field, so we expect flaring activity on the M-level. The Earth is currently inside the trailing part of the ICME, with the solar wind speed around 380 km/s and the interplanetary magnetic field magnitude around 10 nT. We expect quiet to unsettled geomagnetic conditions (K < 4) in the coming hours, possibly with isolated intervals of active geomagnetic conditions (K = 4). Late on February 14 - early on February 15 we expect the arrival of the ICME associated with the halo CME observed on the Sun on February 11. A minor to moderate geomagnetic storm (K around 5 to 6) may be expected.

Today's estimated international sunspot number (ISN): 034, based on 13 stations.

Solar indices for 12 Feb 2016

Wolf number Catania///
10cm solar flux112
AK Chambon La Forêt017
AK Wingst011
Estimated Ap012
Estimated international sunspot number067 - Based on 23 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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