Vaata teisipäev, 7 mai 2013 arhiivi

Daily bulletin on solar and geomagnetic activity from the SIDC

Välja antud: 2013 May 07 1246 UTC

SIDC Forecast

Valid from 1230 UTC, 07 May 2013 until 09 May 2013
Päikesepursked ehk loited

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

Geomagnetism

Quiet (A<20 and K<4)

Päikese prootonid

Quiet

10cm fluxAp
07 May 2013127012
08 May 2013125010
09 May 2013125007

Bulletin

Solar activity has been eruptive during the past 24 hours, featuring three C flares from NOAA AR 11731, 11734 and new region 11736. More C-level flares are expected within the next 48 hours, with a slight chance for an M flare. In the last 24 hours, the IMF has decreased from 14 to 6 nT, probably due to the influence of a coronal hole high speed stream. Solar wind speeds have ranged between about 460 and 540 km/s, and currently lie around 520 km/s. Bz has been mainly positive, hence geomagnetic activity has been at quiet levels (K Dourbes between 2 and 3; NOAA Kp between 2 and 3) during the past 24 hours. Quiet geomagnetic conditions (K Dourbes < 4) are expected for May 7 to 9.

Today's estimated international sunspot number (ISN): 078, based on 16 stations.

Solar indices for 06 May 2013

Wolf number Catania///
10cm solar flux131
AK Chambon La Forêt015
AK Wingst012
Estimated Ap010
Estimated international sunspot number078 - Based on 23 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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