Vaata kolmapäev, 15 veebruar 2017 arhiivi

Daily bulletin on solar and geomagnetic activity from the SIDC

Välja antud: 2017 Feb 15 1230 UTC

SIDC Forecast

Valid from 1230 UTC, 15 Feb 2017 until 17 Feb 2017
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
15 Feb 2017075003
16 Feb 2017075005
17 Feb 2017075018

Bulletin

In the past 24 hours, no C flares were observed. Very low solar activity (no C flares) is expected in the next 24 hours. Solar wind speed measured by DSCOVR varied between about 295 and 320 km/s in the past 24 hours, while the magnitude of the Interplanetary Magnetic Field (IMF) varied between about 1 and 5 nT. Quiet geomagnetic conditions (K Dourbes between 0 and 2; NOAA Kp between 0 and 1) were registered in the past 24 hours. Quiet to unsettled levels (K Dourbes < 4) are expected on February 15 and 16. Due to the expected arrival of a high speed stream from a positive coronal hole, quiet to active geomagnetic conditions (K Dourbes < 5) are possible on February 17, with a slight chance for minor storm levels (K Dourbes = 5).

Today's estimated international sunspot number (ISN): 023, based on 19 stations.

Solar indices for 14 Feb 2017

Wolf number Catania///
10cm solar flux075
AK Chambon La Forêt003
AK Wingst001
Estimated Ap001
Estimated international sunspot number016 - 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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