Vaata pühapäev, 19 jaanuar 2014 arhiivi

Daily bulletin on solar and geomagnetic activity from the SIDC

Välja antud: 2014 Jan 19 1254 UTC

SIDC Forecast

Valid from 1230 UTC, 19 Jan 2014 until 21 Jan 2014
Päikesepursked ehk loited

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

Geomagnetism

Quiet (A<20 and K<4)

Päikese prootonid

Quiet

10cm fluxAp
19 Jan 2014130004
20 Jan 2014135010
21 Jan 2014137012

Bulletin

There are currently eight numbered sunspot groups on the solar disc, and the most active one is the NOAA AR 1959. The strongest of 8 C-class flares observed in last 24 hours was C6.0 flare (peaking at 12:04 UT of January 18) which also originated from the NOAA AR 1959 currently situated close to the East solar limb. We expect more C-class flares and possibly also an isolated M-class flare. The solar wind speed is about 290 km/s. The interplanetary magnetic field is still stable with the magnitude between 2 and 3 nT. The low-latitude coronal hole in the northern hemisphere has reached the central meridian early on January 18. We expect arrival of the fast solar wind on January 20-21. The CME-driven shock wave, associated with a partial halo CME (limb event) on January 16, could be also expected on January 20-21. We expect quiet to possibly unsettled geomagnetic conditions in the next 48 hours.

Today's estimated international sunspot number (ISN): 073, based on 09 stations.

Solar indices for 18 Jan 2014

Wolf number Catania///
10cm solar flux130
AK Chambon La Forêt003
AK Wingst001
Estimated Ap001
Estimated international sunspot number083 - Based on 14 stations

Noticeable events summary

DayBeginMaxLõppLocStrengthOP10cmCatania/NOAARadio burst types
Puuduvad

Provided by the Solar Influences Data analysis Center© - SIDC - Processed by SpaceWeatherLive

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