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Daily bulletin on solar and geomagnetic activity from the SIDC

Vydáno: 2016 Jul 09 1230 UTC

SIDC Forecast

Sluneční erupce

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

Geomagnetism

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

Sluneční protony

Quiet

	10cm flux	Ap
09 Jul 2016	090	009
10 Jul 2016	090	006
11 Jul 2016	090	020

Bulletin

Solar activity was restricted to a few B-class flares, contributed by NOAA active regions 2561, 2563 and 2564 (Catania numbers 3, 4 and 6 respectively). No Earth-directed CMEs were observed. Flare activity at the C-level is possible (40% chance).

The solar wind disturbance remains due to high speed stream influences. The solar wind speed obtained values up to 650 km/s. The magnetic field magnitude ranges between 5 and 10 nT, with a fluctuating Bz. The disturbance caused geomagnetic activity up to K=4 (local at Dourbes) levels and up to K=5 for a few time slots (global Kp of Potzdam and NOAA). Geomagnetic conditions are expected to return to quiet to unsettled levels during the next 24 to 48 hours. Another enhancement of the solar wind speed may follow from July 11 due to influences of a following coronal hole, which caused solar wind speeds of more than 700 km/s during the past Carrington rotation.

Today's estimated international sunspot number (ISN): 059, based on 22 stations.

Solar indices for 08 Jul 2016

Wolf number Catania	057
10cm solar flux	087
AK Chambon La Forêt	030
AK Wingst	023
Estimated Ap	025
Estimated international sunspot number	041 - Based on 32 stations

Noticeable events summary

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

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