Vaata teisipäev, 11 juuli 2017 arhiivi

Daily bulletin on solar and geomagnetic activity from the SIDC

Välja antud: 2017 Jul 11 1239 UTC

SIDC Forecast

Valid from 1230 UTC, 11 Jul 2017 until 13 Jul 2017
Päikesepursked ehk loited

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

Geomagnetism

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

Päikese prootonid

Quiet

10cm fluxAp
11 Jul 2017095012
12 Jul 2017095011
13 Jul 2017093008

Bulletin

NOAA AR 2665 (the only visible AR on the disk) produced multiple B class flares. This region continues to grow, C-class flares can be expected (and less likely M-flares). No Earth directed Coronal Mass Ejections (CMEs) have been detected. Solar protons have remained at background levels over the past 24 hours. Solar wind parameters reflected the continued influence of a high speed stream coming from the positive polarity coronal hole. Solar wind speed steadily increased from about 550 km/s to 670 km/s ( at 07:30 UT), later solar wind speed slightly decreased till 630 km/s. Total magnetic field abruptly decreased from about 8 to 4 nT today (04:30 UT), simultaneously variations of Bz component decreased from +7/+4 nT till +/-2 nT. Geomagnetic conditions ranged between Kp index 1-3 (NOAA) and local K index 1-4 (Dourbes) over the past 24 hours. Geomagnetic conditions are expected to be quiet to unsettled for the next few days.

Today's estimated international sunspot number (ISN): 041, based on 17 stations.

Solar indices for 10 Jul 2017

Wolf number Catania034
10cm solar flux095
AK Chambon La Forêt012
AK Wingst008
Estimated Ap009
Estimated international sunspot number045 - Based on 37 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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