Vaata kolmapäev, 22 juuli 2015 arhiivi

Daily bulletin on solar and geomagnetic activity from the SIDC

Välja antud: 2015 Jul 22 1230 UTC

SIDC Forecast

Valid from 1230 UTC, 22 Jul 2015 until 24 Jul 2015
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
22 Jul 2015089005
23 Jul 2015090015
24 Jul 2015093008

Bulletin

The two currently visible sunspot groups are gradually declining. A small active region is just behind the southeast limb. No C-class flares or earth-directed coronal mass ejections (CMEs) were observed.

Quiet flaring conditions are expected, with a small chance on an isolated C-class flare.

Solar wind speed gradually declined to its current values between 340 and 360 km/s, as Earth exited the moderate-speed stream from the trans- equatorial coronal hole (CH). Bz has been oscillating mostly between -7 and +7 nT. Quiet to unsettled geomagnetic conditions have been recorded. A positive CH between latitude 25 to 40 degrees north is transiting the central meridian and may affect the geomagnetic field starting 25 July.

Quiet to unsettled geomagnetic conditions are expected, with a chance on an active geomagnetic episode in response to the possible glancing blow from the 19 July CME.

Today's estimated international sunspot number (ISN): 039, based on 18 stations.

Solar indices for 21 Jul 2015

Wolf number Catania037
10cm solar flux091
AK Chambon La Forêt014
AK Wingst012
Estimated Ap013
Estimated international sunspot number041 - Based on 30 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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