Vaata teisipäev, 5 veebruar 2013 arhiivi

Daily bulletin on solar and geomagnetic activity from the SIDC

Välja antud: 2013 Feb 05 1210 UTC

SIDC Forecast

Valid from 1230 UTC, 05 Feb 2013 until 07 Feb 2013
Päikesepursked ehk loited

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

Geomagnetism

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

Päikese prootonid

Quiet

10cm fluxAp
05 Feb 2013107011
06 Feb 2013104014
07 Feb 2013106006

Bulletin

The strongest flare in last 24 hours was a C6.3 flare peaking at 08:19 UT, on February 5. The flare originated from the NOAA AR 1669, situated at the moment close to the East solar limb. We expect more C-class flares, in particular from this active region. The interplanetary magnetic field is about 3 nT. The solar wind speed is stable having value of about 350 km/s. The small low-latitude coronal hole in the southern hemisphere has reached the central meridian. We expect arrival of the associated fast flow early on February 9. The fast flow associated with the low-latitude coronal hole in the northern hemisphere should arrive late today or early tomorrow. The geomagnetic conditions in the next 48 hours should be quiet to possibly active.

Today's estimated international sunspot number (ISN): 028, based on 12 stations.

Solar indices for 4 Feb 2013

Wolf number Catania039
10cm solar flux107
AK Chambon La Forêt011
AK Wingst006
Estimated Ap005
Estimated international sunspot number024 - Based on 18 stations

Noticeable events summary

DayBeginMaxLõppLocStrengthOP10cmRadio burst typesCatania/NOAA
Puuduvad

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

Kõik ajad UTC-s

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