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Daily bulletin on solar and geomagnetic activity from the SIDC

Vydáno: 2018 Sep 08 1230 UTC

SIDC Forecast

Sluneční erupce

Quiet conditions (<50% probability of C-class flares)

Geomagnetism

Quiet (A<20 and K<4)

Sluneční protony

Quiet

	10cm flux	Ap
08 Sep 2018	069	006
09 Sep 2018	069	005
10 Sep 2018	069	005

Bulletin

Solar activity was at very low levels. A small sunspot region (NOAA 2721) developed early on 08 September near the disk's center. No earth-directed coronal mass ejections (CMEs) were observed in the available coronagraphic imagery. The greater than 10 MeV proton flux was at nominal levels. A trans-equatorial positive polarity coronal hole (CH) has nearly finished its transit over the Central Meridian.

Solar activity is expected to remain at very low levels.

Solar wind speed declined from 520 to 360 km/s (DSCOVR). Bz varied between -3 and +3 nT, with a brief excursion to +6 nT around 07:30UT. The interplanetary magnetic field was directed towards the Sun (negative sector), turning into a positive sector after 10UT.

Quiet geomagnetic conditions were observed, with Kp recording an isolated unsettled episode during the 06-09UT interval. Mostly quiet geomagnetic conditions are expected with a chance on an unsettled episode until the arrival of the co-rotating interaction region (CIR) and wind stream from the positive polarity CH, most likely on 11 September.

Today's estimated international sunspot number (ISN): 015, based on 14 stations.

Solar indices for 07 Sep 2018

Wolf number Catania	000
10cm solar flux	068
AK Chambon La Forêt	006
AK Wingst	006
Estimated Ap	005
Estimated international sunspot number	000 - Based on 36 stations

Noticeable events summary

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

Daily bulletin on solar and geomagnetic activity from the SIDC

Vydáno: 2018 Sep 08 2104 UTC

SIDC Forecast

Sluneční erupce

Quiet conditions (<50% probability of C-class flares)

Geomagnetism

Quiet (A<20 and K<4)

Sluneční protony

Quiet

	10cm flux	Ap
08 Sep 2018	069	006
09 Sep 2018	069	005
10 Sep 2018	069	005

Bulletin

Solar activity was at very low levels. A small sunspot region (NOAA 2721) developed early on 08 September near the disk's center. No earth-directed coronal mass ejections (CMEs) were observed in the available coronagraphic imagery. The greater than 10 MeV proton flux was at nominal levels. A trans-equatorial positive polarity coronal hole (CH) has nearly finished its transit over the Central Meridian.

Solar activity is expected to remain at very low levels.

Solar wind speed declined from 520 to 360 km/s (DSCOVR). Bz varied between -3 and +3 nT, with a brief excursion to +6 nT around 07:30UT. The interplanetary magnetic field was directed towards the Sun (negative sector), turning into a positive sector after 10UT.

Quiet geomagnetic conditions were observed, with Kp recording an isolated unsettled episode during the 06-09UT interval. Mostly quiet geomagnetic conditions are expected with a chance on an unsettled episode until the arrival of the co-rotating interaction region (CIR) and wind stream from the positive polarity CH, most likely on 11 September.

Today's estimated international sunspot number (ISN): 015, based on 14 stations.

Solar indices for 07 Sep 2018

Wolf number Catania	000
10cm solar flux	068
AK Chambon La Forêt	006
AK Wingst	006
Estimated Ap	005
Estimated international sunspot number	000 - Based on 36 stations

Noticeable events summary

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

Daily bulletin on solar and geomagnetic activity from the SIDC

Vydáno: 2018 Sep 08 2117 UTC

SIDC Forecast

Sluneční erupce

Quiet conditions (<50% probability of C-class flares)

Geomagnetism

Quiet (A<20 and K<4)

Sluneční protony

Quiet

	10cm flux	Ap
08 Sep 2018	069	006
09 Sep 2018	069	005
10 Sep 2018	069	005

Bulletin

Solar activity was at very low levels. A small sunspot region (NOAA 2721) developed early on 08 September near the disk's center. No earth-directed coronal mass ejections (CMEs) were observed in the available coronagraphic imagery. The greater than 10 MeV proton flux was at nominal levels. A trans-equatorial positive polarity coronal hole (CH) has nearly finished its transit over the Central Meridian.

Solar activity is expected to remain at very low levels.

Solar wind speed declined from 520 to 360 km/s (DSCOVR). Bz varied between -3 and +3 nT, with a brief excursion to +6 nT around 07:30UT. The interplanetary magnetic field was directed towards the Sun (negative sector), turning into a positive sector after 10UT.

Quiet geomagnetic conditions were observed, with Kp recording an isolated unsettled episode during the 06-09UT interval. Mostly quiet geomagnetic conditions are expected with a chance on an unsettled episode until the arrival of the co-rotating interaction region (CIR) and wind stream from the positive polarity CH, most likely on 11 September.

Today's estimated international sunspot number (ISN): 015, based on 14 stations.

Solar indices for 07 Sep 2018

Wolf number Catania	000
10cm solar flux	068
AK Chambon La Forêt	006
AK Wingst	006
Estimated Ap	005
Estimated international sunspot number	000 - Based on 36 stations

Noticeable events summary

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

Daily bulletin on solar and geomagnetic activity from the SIDC

Vydáno: 2018 Sep 08 2118 UTC

SIDC Forecast

Sluneční erupce

Quiet conditions (<50% probability of C-class flares)

Geomagnetism

Quiet (A<20 and K<4)

Sluneční protony

Quiet

	10cm flux	Ap
08 Sep 2018	069	006
09 Sep 2018	069	005
10 Sep 2018	069	005

Bulletin

Solar activity was at very low levels. A small sunspot region (NOAA 2721) developed early on 08 September near the disk's center. No earth-directed coronal mass ejections (CMEs) were observed in the available coronagraphic imagery. The greater than 10 MeV proton flux was at nominal levels. A trans-equatorial positive polarity coronal hole (CH) has nearly finished its transit over the Central Meridian.

Solar activity is expected to remain at very low levels.

Solar wind speed declined from 520 to 360 km/s (DSCOVR). Bz varied between -3 and +3 nT, with a brief excursion to +6 nT around 07:30UT. The interplanetary magnetic field was directed towards the Sun (negative sector), turning into a positive sector after 10UT.

Quiet geomagnetic conditions were observed, with Kp recording an isolated unsettled episode during the 06-09UT interval. Mostly quiet geomagnetic conditions are expected with a chance on an unsettled episode until the arrival of the co-rotating interaction region (CIR) and wind stream from the positive polarity CH, most likely on 11 September.

Today's estimated international sunspot number (ISN): 015, based on 14 stations.

Solar indices for 07 Sep 2018

Wolf number Catania	000
10cm solar flux	068
AK Chambon La Forêt	006
AK Wingst	006
Estimated Ap	005
Estimated international sunspot number	000 - Based on 36 stations

Noticeable events summary

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

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