Vaata laupäev, 25 juuli 2015 arhiivi

Daily bulletin on solar and geomagnetic activity from the SIDC

Välja antud: 2015 Jul 25 1230 UTC

SIDC Forecast

Valid from 1230 UTC, 25 Jul 2015 until 27 Jul 2015
Päikesepursked ehk loited

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

Geomagnetism

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

Päikese prootonid

Quiet

10cm fluxAp
25 Jul 2015096014
26 Jul 2015101016
27 Jul 2015107013

Bulletin

There are currently 2 sunspot groups visible on the solar disk. NOAA 2389 shows some mixed magnetic polarities. It was the source of two C2 flares, both associated with narrow but not-earth directed coronal mass ejections. NOAA 2390 is growing, but still flare silent. No other C-class flares or earth-directed coronal mass ejections (CMEs) were observed.

There's a chance on further low-level C-class flaring.

Solar wind speed varied mostly between 400 and 450 km/s, while Bz fluctuated between -6 and +7 nT. Quiet to unsettled geomagnetic conditions were observed, with locally at Dourbes an active episode at 09:00UT. A small equatorial positive coronal hole has transited the central meridian.

Mostly quiet to unsettled geomagnetic conditions are expected, with a chance on an active period.

Today's estimated international sunspot number (ISN): 033, based on 10 stations.

Solar indices for 24 Jul 2015

Wolf number Catania///
10cm solar flux092
AK Chambon La Forêt016
AK Wingst010
Estimated Ap009
Estimated international sunspot number035 - Based on 25 stations

Noticeable events summary

DayBeginMaxLõppLocStrengthOP10cmCatania/NOAARadio burst types
Puuduvad

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

Kõik ajad UTC-s

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