Vaata reede, 21 november 2014 arhiivi

Daily bulletin on solar and geomagnetic activity from the SIDC

Välja antud: 2014 Nov 21 1204 UTC

SIDC Forecast

Valid from 1230 UTC, 21 Nov 2014 until 23 Nov 2014
Päikesepursked ehk loited

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

Geomagnetism

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

Päikese prootonid

Quiet

10cm fluxAp
21 Nov 2014170015
22 Nov 2014172015
23 Nov 2014174016

Bulletin

Six C-class flares were detected on the Sun in the past 24 hours: four in the NOAA AR 2209 and two in the NOAA AR 2216. The strongest flare was the C2.5 flare peaking at 19:56 UT yesterday in the NOAA AR 2209. It was not associated with a CME. The NOAA AR 2209 maintains the beta-gamma- delta configuration of its photospheric magnetic field, so we expect flaring activity on the C-level from this region as well as from the NOAA AR 2216, with an isolated M-class flare possible but unlikely. A long filament in the northern hemisphere is approaching the solar central meridian. Its eruption may lead to an Earth-directed CME. The Earth is currently inside a slow (around 380 km/s) solar wind flow with slightly elevated (7-8 nT) interplanetary magnetic field magnitude. The geomagnetic conditions are expected to stay at the quiet to unsettled level (K < 4) with isolated intervals of active conditions (K = 4).

Today's estimated international sunspot number (ISN): 046, based on 11 stations.

Solar indices for 20 Nov 2014

Wolf number Catania121
10cm solar flux168
AK Chambon La Forêt021
AK Wingst016
Estimated Ap013
Estimated international sunspot number045 - Based on 18 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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