Vaata kolmapäev, 4 detsember 2013 arhiivi

Daily bulletin on solar and geomagnetic activity from the SIDC

Välja antud: 2013 Dec 04 1257 UTC

SIDC Forecast

Valid from 1230 UTC, 04 Dec 2013 until 06 Dec 2013
Päikesepursked ehk loited

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

Geomagnetism

Quiet (A<20 and K<4)

Päikese prootonid

Quiet

10cm fluxAp
04 Dec 2013136008
05 Dec 2013140007
06 Dec 2013140007

Bulletin

Two C-class flares occurred this morning. A C6.8 flare was observed at 00:56 UT on the east limb near the location where AR 1895 and 1897 are expected to return. AR 1897 produced M-class flares during its previous rotation. A C4.7 flare occurred in AR 1907 on the west limb, peaking at 04:58 UT. This flare was associated with a CME observed in SOHO/LASCO and STEREO-A/COR2 around 06:00 UT after a data gap. This CME is not earth-directed. Geomagnetic conditions are currently at quiet levels (KDourbes = 2). We expect possible unsettled conditions on December 7 due to the arrival of a fast wind stream originating from a coronal hole that passed the central meridian today.

Today's estimated international sunspot number (ISN): 086, based on 08 stations.

Solar indices for 03 Dec 2013

Wolf number Catania///
10cm solar flux136
AK Chambon La Forêt016
AK Wingst012
Estimated Ap010
Estimated international sunspot number073 - Based on 26 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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