Viewing archive of Saturday, 19 January 2013

Daily bulletin on solar and geomagnetic activity from the SIDC

Issued: 2013 Jan 19 1152 UTC

SIDC Forecast

Valid from 1230 UTC, 19 Jan 2013 until 21 Jan 2013
Solar flares

Quiet conditions (<50% probability of C-class flares)

Geomagnetism

Minor geomagnetic storm expected (A>=30 or K=5)

Solar protons

Quiet

10cm fluxAp
19 Jan 2013109011
20 Jan 2013100016
21 Jan 2013098004

Bulletin

Solar conditions where quiet featuring some small C flares and one C5.8 flare originating from AR NOAA 1654. Quiet conditions are expected to continue for the next 24 hours. Geomagnetic conditions where moderate with K values between 2 and 4, but are expected to increase with the expected arrival of the CME of wednesday January 16th 19:12 UT as seen in LASCO C2. Geomagnetic conditions are expected to return to quiet conditions on Sunday January 20th.

Today's estimated international sunspot number (ISN): 032, based on 04 stations.

Solar indices for 18 Jan 2013

Wolf number Catania039
10cm solar flux115
AK Chambon La Forêt018
AK Wingst014
Estimated Ap013
Estimated international sunspot number026 - Based on 10 stations

Noticeable events summary

DayBeginMaxEndLocStrengthOP10cmRadio burst typesCatania/NOAA
None

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

All times in UTC

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