Space Weather Alert

October 8, 2015, 8:50 am

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Geomagnetic storm forecast. Chance of aurora 7-8 October Update - Geomagnetic Disturbance Alert 7/8 October 2015 British Geological Survey     The geomagnetic storm due to a recurrent Coronal Hole High Speed Stream arrived as predicted yesterday. The aurora was visible to those fortunate enough to have clear and dark skies across much of the UK and Ireland. Although geomagnetic activity has declined somewhat, the potential for further storms remains tonight, although perhaps not to the same extent. You can continue to monitor current geomagnetic conditions using the links below and if activity increases once again, and the sky remains clear where you are (particularly at high latitudes), it may be worth going outside for a look to the North. A web-page with more details can be found here: http://geomag.bgs.ac.uk/data_service/space_weather/alerts/alert_2015-10-07.html For more advice on viewing the Northern Lights please visit: http://www.geomag.bgs.ac.uk/education/viewing_aurora.html For current UK activity levels please see: http://geomag.bgs.ac.uk/data_service/space_weather/Global_activity_now.html Share your aurora sightings with us and see them mapped at: http://www.bgs.ac.uk/citizenScience/geosocial/home.html?  follow on Twitter | friend on Facebook | forward to a friend  Copyright © 2015 British Geological Survey, All rights reserved.  unsubscribe from this list | update subscription preferences

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Space Weather Alert

November 2, 2015, 8:34 am

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Geomagnetic storm forecast. Chance of aurora 2-3 November Geomagnetic Disturbance Alert 2/3 November 2015 British Geological Survey     There is an increased chance of viewing the aurora in the next 24-48 hours due to the effects of a coronal hole high speed stream.   Monitor current geomagnetic conditions using the links below and if activity increases and the sky is clear where you are (particularly at high latitudes), pop outside and have a look to the North. A web-page with more details can be found here: http://geomag.bgs.ac.uk/data_service/space_weather/alerts/alert_2015-11-02.html For more advice on viewing the Northern Lights please visit: http://www.geomag.bgs.ac.uk/education/viewing_aurora.html For current UK activity levels please see: http://geomag.bgs.ac.uk/data_service/space_weather/Global_activity_now.html Share your aurora sightings with us and see them mapped at: http://www.bgs.ac.uk/citizenScience/geosocial/home.html?  follow on Twitter | friend on Facebook | forward to a friend  Copyright © 2015 British Geological Survey, All rights reserved.  unsubscribe from this list | update subscription preferences

Space Weather Alert

December 18, 2015, 3:44 am

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Geomagnetic storm forecast. Chance of aurora 18/19 December Geomagnetic Disturbance Alert 18/19 December 2015 British Geological Survey     There is an increased chance of viewing the aurora over the weekend due to the effects of a pair of Earth-directed Coronal Mass Ejections.   Monitor current geomagnetic conditions using the links below and if activity increases and the sky is clear where you are (particularly at high latitudes), pop outside and have a look to the North. A web-page with more details can be found here: http://geomag.bgs.ac.uk/data_service/space_weather/alerts/alert_2015-12-18.html For more advice on viewing the Northern Lights please visit: http://www.geomag.bgs.ac.uk/education/viewing_aurora.html For current UK activity levels please see: http://geomag.bgs.ac.uk/data_service/space_weather/Global_activity_now.html Share your aurora sightings with us and see them mapped at: http://www.bgs.ac.uk/citizenScience/geosocial/home.html?  follow on Twitter | friend on Facebook | forward to a friend  Copyright © 2015 British Geological Survey, All rights reserved.  unsubscribe from this list | update subscription preferences

Space Weather Alert

December 29, 2015, 2:19 pm

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Geomagnetic storm forecast. Chance of aurora 30/31 December Geomagnetic Disturbance Alert 30/31December 2015 British Geological Survey     There is an increased chance of viewing the aurora over the night of the 30th, and possibly the 31st of December due to the effect of an Earth-directed Coronal Mass Ejection associated with a long duration flare observed on the 28th.   Monitor current geomagnetic conditions using the links below and if activity increases and the sky is clear where you are (particularly at high latitudes), pop outside and have a look to the North. For more advice on viewing the Northern Lights please visit: http://www.geomag.bgs.ac.uk/education/viewing_aurora.html For current UK activity levels please see: http://geomag.bgs.ac.uk/data_service/space_weather/Global_activity_now.html Share your aurora sightings with us and see them mapped at: http://www.bgs.ac.uk/citizenScience/geosocial/home.html?  follow on Twitter | friend on Facebook | forward to a friend  Copyright © 2015 British Geological Survey, All rights reserved.  unsubscribe from this list | update subscription preferences

Geomagnetic Disturbance Alert 4th June 2016

June 3, 2016, 4:51 am

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Geomagnetic storm forecast. Chance of aurora 4/5 June Geomagnetic Disturbance Alert 4/5 June 2016 British Geological Survey     There is an increased chance of viewing the aurora over the weekend of the 4th and 5th of June. A large coronal hole on the Sun is currently in an Earth-facing position. Its high speed solar wind stream is anticipated to arrive over the weekend. On the previous solar rotation this produced a moderate geomagnetic storm. Indications are that similar levels of geomagnetic disturbance are likely this time around. The high speed solar wind stream is expected to cause geomagnetic disturbances for around 24-48 hours before subsiding. For more information please visit: http://www.geomag.bgs.ac.uk/data_service/space_weather/alerts/alert_2016-06-03.html You can monitor current geomagnetic conditions using the links below. For more advice on viewing the Northern Lights please visit: http://www.geomag.bgs.ac.uk/education/viewing_aurora.html For current UK activity levels please see: http://geomag.bgs.ac.uk/data_service/space_weather/Global_activity_now.html Share your aurora sightings with us and see them mapped at: http://www.bgs.ac.uk/citizenScience/geosocial/home.html?  follow on Twitter | friend on Facebook | forward to a friend  Copyright © 2016 British Geological Survey, All rights reserved.  unsubscribe from this list | update subscription preferences

Geomagnetic Disturbance Alert 28th September 2016

September 28, 2016, 4:34 am

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Geomagnetic storm forecast. Chance of aurora 29/29 September Geomagnetic Disturbance Alert 28th/29th September 2016 British Geological Survey     Assuming clear dark skies, there is an increased chance of seeing the aurora overnight Wednesday and Thursday, particularly for those in Scotland, northern England and Northern Ireland. A stream of fast solar wind is currently hitting the Earth's magnetic field and causing an increase in geomagnetic activity. On the previous solar rotation this produced a moderate geomagnetic storm. Indications are that similar or higher levels of geomagnetic disturbance are likely this time around. The high speed solar wind stream is expected to cause geomagnetic disturbances for around 24-48 hours before subsiding. For more information please visit: http://www.geomag.bgs.ac.uk/data_service/space_weather/alerts/alert_2016-09-28.html You can monitor current geomagnetic conditions using the links below. For more advice on viewing the Northern Lights please visit: http://www.geomag.bgs.ac.uk/education/viewing_aurora.html For current UK activity levels please see: http://geomag.bgs.ac.uk/data_service/space_weather/Global_activity_now.html Share your aurora sightings with us and see them mapped at: http://www.bgs.ac.uk/citizenScience/geosocial/home.html?  follow on Twitter | friend on Facebook | forward to a friend  Copyright © 2016 British Geological Survey, All rights reserved.  unsubscribe from this list | update subscription preferences

Geomagnetic Disturbance Alert 13th October 2016

October 13, 2016, 9:39 am

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Geomagnetic storm forecast. Chance of aurora 13/14 October Geomagnetic Disturbance Alert 13th/14th October 2016 British Geological Survey   A coronal mass ejection (CME) has arrived at Earth sparking a geomagnetic storm. This geomagnetic storm is ongoing and if this continues for the next few hours there is a chance for an auroral display in parts of the UK and Europe. The CME arrived at Earth 22:13 UT on 12th October. This faint and slow moving CME originated from a filament eruption on the Sun on 8th October. Since its arrival we have seen that it carried a large amount of material and a strong southward-pointing magnetic field towards Earth. These conditions are favourable for seeing the aurora. Assuming clear dark skies, there is an increased chance of seeing the aurora overnight Thursday and Friday. You can monitor current geomagnetic conditions using the links below. For more advice on viewing the Northern Lights please visit: http://www.geomag.bgs.ac.uk/education/viewing_aurora.html For current UK activity levels please see: http://geomag.bgs.ac.uk/data_service/space_weather/Global_activity_now.html Share your aurora sightings with us and see them mapped at: http://www.bgs.ac.uk/citizenScience/geosocial/home.html?  follow on Twitter | friend on Facebook | forward to a friend  Copyright © 2016 British Geological Survey, All rights reserved.  unsubscribe from this list | update subscription preferences

Geomagnetic Disturbance Alert 14th October 2016

October 25, 2016, 8:27 am

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Geomagnetic storm forecast. Chance of aurora from 25th October for 2-3 days. Geomagnetic Disturbance Alert 25th October 2016 British Geological Survey   A very large centrally located coronal hole has rotated around the Sun to an Earth-facing position. The Earth is now under the influence of the coronal hole's high-speed solar wind stream that arrived this morning. This solar wind stream is expected to elevate geomagnetic activity levels for several days. Activity may peak over the night of the 25th - 26th but periods of heightened geomagnetic activity are expected over the next few days. Assuming clear dark skies, and a continuation of geomagnetic storming, there is an increased chance of seeing the aurora. For those in the UK  those in Scotland, northern England and Northern Ireland may have the best opportunities. For more about the coronal hole high-speed stream please visit: http://www.geomag.bgs.ac.uk/data_service/space_weather/alerts/alert_2016-10-25.html For more advice on viewing the Northern Lights please visit: http://www.geomag.bgs.ac.uk/education/viewing_aurora.html For current UK activity levels please see: http://geomag.bgs.ac.uk/data_service/space_weather/Global_activity_now.html Share your aurora sightings with us and see them mapped at: http://www.bgs.ac.uk/citizenScience/geosocial/home.html  follow on Twitter | friend on Facebook | forward to a friend  Copyright © 2016 British Geological Survey, All rights reserved.  unsubscribe from this list | update subscription preferences

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Geomagnetic Disturbance Alert 27th March 2017

March 27, 2017, 8:56 am

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Geomagnetic storm forecast. Chance of aurora from 27th March for 2-3 days. Geomagnetic Disturbance Alert 27th March 2017 British Geological Survey There is an increased chance of viewing the aurora in the next 24-48 hours due to the effects of a high speed stream from a large coronal hole. The solar wind speed started increasing this morning and we have already observed geomagnetic storm conditions today. As the solar wind speed appears to still be increasing, further storm conditions are possible tonight and tomorrow.  Assuming clear dark skies, and a continuation of geomagnetic storming, there is an increased chance of seeing the aurora. In the UK, those in Scotland, northern England and Northern Ireland may have the best opportunities. For more about the coronal hole high-speed stream please visit: http://www.geomag.bgs.ac.uk/data_service/space_weather/alerts/alert_2017-03-27.html For more advice on viewing the Northern Lights please visit: http://www.geomag.bgs.ac.uk/education/viewing_aurora.html For current UK activity levels please see: http://geomag.bgs.ac.uk/data_service/space_weather/Global_activity_now.html Share your aurora sightings with us and see them mapped at: http://www.bgs.ac.uk/citizenScience/geosocial/home.html  follow on Twitter | friend on Facebook | forward to a friend  Copyright © 2017 British Geological Survey, All rights reserved.  unsubscribe from this list | update subscription preferences

Geomagnetic Disturbance Alert 16 July 2017

July 14, 2017, 7:47 am

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Geomagnetic storm forecast. Chance of aurora on the night of 16 July 2017. Geomagnetic Disturbance Alert 16 July 2017 British Geological Survey There is an increased chance of viewing the aurora on the night of 16 July 2017. A partial halo Coronal Mass Ejection (CME) associated with a long-duration M-class (Moderate) solar flare left the Sun at approximately 01.00 UT on 14 July 2017 from a region just in the western half of the visible solar disc. It is expected the Earth will receive a glancing blow from this CME during the afternoon/evening of  Sunday 16 July 2017, causing an increase in geomagnetic activity. Assuming clear dark skies, and that the geomagnetic field is suitably disturbed, there is an increased chance of seeing the aurora. In the UK, those in Scotland, northern England and Northern Ireland may have the best opportunities. For more information on this event please visit: http://www.geomag.bgs.ac.uk/data_service/space_weather/alerts/alert_2017-07-16.html For more advice on viewing the Northern Lights please visit: http://www.geomag.bgs.ac.uk/education/viewing_aurora.html For current UK activity levels please see: http://geomag.bgs.ac.uk/data_service/space_weather/Global_activity_now.html See where people are talking about the aurora in the UK now: http://www.bgs.ac.uk/citizenScience/geosocial/home.html  follow on Twitter | friend on Facebook | forward to a friend  Copyright © 2017 British Geological Survey, All rights reserved.  unsubscribe from this list | update subscription preferences

Geomagnetic Disturbance Alert 07 September 2017

September 5, 2017, 9:07 am

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Geomagnetic storm forecast. Chance of aurora on the night of 7 September 2017. Geomagnetic Disturbance Alert 7 September 2017 British Geological Survey There is an increased chance of viewing the aurora on the night of 7th September 2017. A full-halo coronal mass ejection (CME) associated with a long duration, moderate solar flare was observed yesterday evening. This emerged from an active region close to the centre of the solar disc. This CME is expected to arrive at Earth early on the morning of the 7th of September bringing geomagnetic STORM conditions. The solar wind speed is also currently elevated due to the waning influence of a northern polar coronal hole. This may further contribute to the enhancement of geomagnetic activity. Assuming clear dark skies, and that the geomagnetic field is suitably disturbed, there is an increased chance of seeing the aurora. In the UK, those in Scotland, northern England and Northern Ireland may have the best opportunities. For more information on this event please visit: http://www.geomag.bgs.ac.uk/data_service/space_weather/alerts/alert_2017-09-07.html For more advice on viewing the Northern Lights please visit: http://www.geomag.bgs.ac.uk/education/viewing_aurora.html For current UK activity levels please see: http://geomag.bgs.ac.uk/data_service/space_weather/Global_activity_now.html See where people are talking about the aurora in the UK now: http://www.bgs.ac.uk/citizenScience/geosocial/home.html  follow on Twitter | friend on Facebook | forward to a friend  Copyright © 2017 British Geological Survey, All rights reserved.  unsubscribe from this list | update subscription preferences

Geomagnetic Disturbance Alert 08 September 2017

September 7, 2017, 8:20 am

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Geomagnetic storm forecast. Chance of aurora on the night of 8 September 2017. Geomagnetic Disturbance Alert 8 September 2017 British Geological Survey There is an increased chance of viewing the aurora on the night of 8th September 2017. A large Coronal Mass Ejection (CME) associated with an X9.3 solar flare was observed yesterday morning. This emerged from the same active region as the previous CME on the 4th. This CME is expected to arrive at Earth during the 8th of September. Geomagnetic activity levels are currently moderately enhanced due to the effects of the previous CME and given the energy of the second event there is the potential for geomagnetic STORM conditions. Assuming clear dark skies, and that the geomagnetic field is suitably disturbed, there is an increased chance of seeing the aurora. In the UK, those in Scotland, northern England and Northern Ireland may have the best opportunities. For more information on this event please visit: http://www.geomag.bgs.ac.uk/data_service/space_weather/alerts/alert_2017-09-08.html For more advice on viewing the Northern Lights please visit: http://www.geomag.bgs.ac.uk/education/viewing_aurora.html For current UK activity levels please see: http://geomag.bgs.ac.uk/data_service/space_weather/Global_activity_now.html See where people are talking about the aurora in the UK now: http://www.bgs.ac.uk/citizenScience/geosocial/home.html  follow on Twitter | friend on Facebook | forward to a friend  Copyright © 2017 British Geological Survey, All rights reserved.  unsubscribe from this list | update subscription preferences

Update: Geomagnetic Disturbance Alert 08 September 2017

September 8, 2017, 7:48 am

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Geomagnetic storm update. Chance of aurora on the night of 8 September 2017. Geomagnetic Disturbance Update 8 September 2017 British Geological Survey There remains an increased chance of viewing the aurora on the night of 8th September 2017. The coronal mass ejection from the 6th September associated with the X9.3 solar flare arrived earlier than expected, overnight on 7th/8th September. Geomagnetic activity was high overnight and this is continuing today. In the UK activity was greatest at our most northern magnetic observatory in Lerwick, Shetland Isles, reaching STORM G5 levels, which is the highest value in this activity scale. The field also varied rapidly - at one point the compass direction (declination) swung by more than 3 degrees in 2 minutes! Aurora sightings have been reported across Scotland. Many areas were affected by cloud but those on the east coast were fortunate to find the clouds cleared in time for a spectacular show. Although the initial impact has now passed, the solar wind remains elevated and energised so there will continue to be some chance of further auroral displays over the weekend, depending on the availability of clear skies, of course.   For more information on this event please visit: http://www.geomag.bgs.ac.uk/data_service/space_weather/alerts/update_2017-09-08.html For more advice on viewing the Northern Lights please visit: http://www.geomag.bgs.ac.uk/education/viewing_aurora.html For current UK activity levels please see: http://geomag.bgs.ac.uk/data_service/space_weather/Global_activity_now.html See where people are talking about the aurora in the UK now: http://www.bgs.ac.uk/citizenScience/geosocial/home.html  follow on Twitter | friend on Facebook | forward to a friend  Copyright © 2017 British Geological Survey, All rights reserved.  unsubscribe from this list | update subscription preferences

Geomagnetic Disturbance Alert 11 September 2017

September 11, 2017, 7:01 am

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Geomagnetic storm forecast. Chance of aurora on the nights of 11/12 September 2017. Geomagnetic Disturbance Alert 11 September 2017 British Geological Survey There is an increased chance of viewing the aurora on 11th/12th September 2017. Another large Coronal Mass Ejection (CME) associated with an X8.3 solar flare was observed yesterday afternoon (10th). This emerged from the same active region as the previous CMEs on the 4th and 6th. Although the origin of this CME is right on the edge of the Sun we are still expecting a significant glancing blow. Due to the position of the CME it is very difficult to predict the arrival time, but it could arrive as early as this evening (11th) or tomorrow morning.  Assuming clear dark skies, there is an increased chance of seeing the aurora, following the CME arrival. In the UK, those in Scotland, northern England and Northern Ireland may have the best opportunities. For more information on this event please visit: http://www.geomag.bgs.ac.uk/data_service/space_weather/alerts/alert_2017-09-11.html For more advice on viewing the Northern Lights please visit: http://www.geomag.bgs.ac.uk/education/viewing_aurora.html For current UK activity levels please see: http://geomag.bgs.ac.uk/data_service/space_weather/Global_activity_now.html See where people are talking about the aurora in the UK now: http://www.bgs.ac.uk/citizenScience/geosocial/home.html  follow on Twitter | friend on Facebook | forward to a friend  Copyright © 2017 British Geological Survey, All rights reserved.  unsubscribe from this list | update subscription preferences

Geomagnetic Disturbance Alert 4th June 2016

June 3, 2016, 4:51 am

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Geomagnetic storm forecast. Chance of aurora 4/5 June Geomagnetic Disturbance Alert 4/5 June 2016 British Geological Survey     There is an increased chance of viewing the aurora over the weekend of the 4th and 5th of June. A large coronal hole on the Sun is currently in an Earth-facing position. Its high speed solar wind stream is anticipated to arrive over the weekend. On the previous solar rotation this produced a moderate geomagnetic storm. Indications are that similar levels of geomagnetic disturbance are likely this time around. The high speed solar wind stream is expected to cause geomagnetic disturbances for around 24-48 hours before subsiding. For more information please visit: http://www.geomag.bgs.ac.uk/data_service/space_weather/alerts/alert_2016-06-03.html You can monitor current geomagnetic conditions using the links below. For more advice on viewing the Northern Lights please visit: http://www.geomag.bgs.ac.uk/education/viewing_aurora.html For current UK activity levels please see: http://geomag.bgs.ac.uk/data_service/space_weather/Global_activity_now.html Share your aurora sightings with us and see them mapped at: http://www.bgs.ac.uk/citizenScience/geosocial/home.html?  follow on Twitter | friend on Facebook | forward to a friend  Copyright © 2016 British Geological Survey, All rights reserved.  unsubscribe from this list | update subscription preferences

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Geomagnetic Disturbance Alert 28th September 2016

September 28, 2016, 4:34 am

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Geomagnetic storm forecast. Chance of aurora 29/29 September Geomagnetic Disturbance Alert 28th/29th September 2016 British Geological Survey     Assuming clear dark skies, there is an increased chance of seeing the aurora overnight Wednesday and Thursday, particularly for those in Scotland, northern England and Northern Ireland. A stream of fast solar wind is currently hitting the Earth's magnetic field and causing an increase in geomagnetic activity. On the previous solar rotation this produced a moderate geomagnetic storm. Indications are that similar or higher levels of geomagnetic disturbance are likely this time around. The high speed solar wind stream is expected to cause geomagnetic disturbances for around 24-48 hours before subsiding. For more information please visit: http://www.geomag.bgs.ac.uk/data_service/space_weather/alerts/alert_2016-09-28.html You can monitor current geomagnetic conditions using the links below. For more advice on viewing the Northern Lights please visit: http://www.geomag.bgs.ac.uk/education/viewing_aurora.html For current UK activity levels please see: http://geomag.bgs.ac.uk/data_service/space_weather/Global_activity_now.html Share your aurora sightings with us and see them mapped at: http://www.bgs.ac.uk/citizenScience/geosocial/home.html?  follow on Twitter | friend on Facebook | forward to a friend  Copyright © 2016 British Geological Survey, All rights reserved.  unsubscribe from this list | update subscription preferences

Geomagnetic Disturbance Alert 13th October 2016

October 13, 2016, 9:39 am

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Geomagnetic storm forecast. Chance of aurora 13/14 October Geomagnetic Disturbance Alert 13th/14th October 2016 British Geological Survey   A coronal mass ejection (CME) has arrived at Earth sparking a geomagnetic storm. This geomagnetic storm is ongoing and if this continues for the next few hours there is a chance for an auroral display in parts of the UK and Europe. The CME arrived at Earth 22:13 UT on 12th October. This faint and slow moving CME originated from a filament eruption on the Sun on 8th October. Since its arrival we have seen that it carried a large amount of material and a strong southward-pointing magnetic field towards Earth. These conditions are favourable for seeing the aurora. Assuming clear dark skies, there is an increased chance of seeing the aurora overnight Thursday and Friday. You can monitor current geomagnetic conditions using the links below. For more advice on viewing the Northern Lights please visit: http://www.geomag.bgs.ac.uk/education/viewing_aurora.html For current UK activity levels please see: http://geomag.bgs.ac.uk/data_service/space_weather/Global_activity_now.html Share your aurora sightings with us and see them mapped at: http://www.bgs.ac.uk/citizenScience/geosocial/home.html?  follow on Twitter | friend on Facebook | forward to a friend  Copyright © 2016 British Geological Survey, All rights reserved.  unsubscribe from this list | update subscription preferences

Geomagnetic Disturbance Alert 14th October 2016

October 25, 2016, 8:27 am

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Geomagnetic storm forecast. Chance of aurora from 25th October for 2-3 days. Geomagnetic Disturbance Alert 25th October 2016 British Geological Survey   A very large centrally located coronal hole has rotated around the Sun to an Earth-facing position. The Earth is now under the influence of the coronal hole's high-speed solar wind stream that arrived this morning. This solar wind stream is expected to elevate geomagnetic activity levels for several days. Activity may peak over the night of the 25th - 26th but periods of heightened geomagnetic activity are expected over the next few days. Assuming clear dark skies, and a continuation of geomagnetic storming, there is an increased chance of seeing the aurora. For those in the UK  those in Scotland, northern England and Northern Ireland may have the best opportunities. For more about the coronal hole high-speed stream please visit: http://www.geomag.bgs.ac.uk/data_service/space_weather/alerts/alert_2016-10-25.html For more advice on viewing the Northern Lights please visit: http://www.geomag.bgs.ac.uk/education/viewing_aurora.html For current UK activity levels please see: http://geomag.bgs.ac.uk/data_service/space_weather/Global_activity_now.html Share your aurora sightings with us and see them mapped at: http://www.bgs.ac.uk/citizenScience/geosocial/home.html  follow on Twitter | friend on Facebook | forward to a friend  Copyright © 2016 British Geological Survey, All rights reserved.  unsubscribe from this list | update subscription preferences

Geomagnetic Disturbance Alert 27th March 2017

March 27, 2017, 8:56 am

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Geomagnetic storm forecast. Chance of aurora from 27th March for 2-3 days. Geomagnetic Disturbance Alert 27th March 2017 British Geological Survey There is an increased chance of viewing the aurora in the next 24-48 hours due to the effects of a high speed stream from a large coronal hole. The solar wind speed started increasing this morning and we have already observed geomagnetic storm conditions today. As the solar wind speed appears to still be increasing, further storm conditions are possible tonight and tomorrow.  Assuming clear dark skies, and a continuation of geomagnetic storming, there is an increased chance of seeing the aurora. In the UK, those in Scotland, northern England and Northern Ireland may have the best opportunities. For more about the coronal hole high-speed stream please visit: http://www.geomag.bgs.ac.uk/data_service/space_weather/alerts/alert_2017-03-27.html For more advice on viewing the Northern Lights please visit: http://www.geomag.bgs.ac.uk/education/viewing_aurora.html For current UK activity levels please see: http://geomag.bgs.ac.uk/data_service/space_weather/Global_activity_now.html Share your aurora sightings with us and see them mapped at: http://www.bgs.ac.uk/citizenScience/geosocial/home.html  follow on Twitter | friend on Facebook | forward to a friend  Copyright © 2017 British Geological Survey, All rights reserved.  unsubscribe from this list | update subscription preferences

Geomagnetic Disturbance Alert 04/05 December 2017

December 4, 2017, 7:25 am

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Geomagnetic storm forecast. Chance of aurora on the nights of 04-05 December 2017. Geomagnetic Disturbance Alert 04/05 December 2017 British Geological Survey There is an increased chance of viewing the aurora on 4th/5th December 2017. A high speed solar wind stream from a recurrent coronal hole is expected to arrive at Earth later on the 4th December. Effects from this coronal hole are expected to continue over the next two to three days.   On previous occasions this coronal hole has produced minor storm activity. Therefore we anticipate geomagnetic storm conditions again over the next couple of days. Periods of STORM G1 are likely, with a possibility of some occasional STORM G2. Assuming clear dark skies there may be an increased possibility of seeing the aurora, with those in more northern parts of the United Kingdom having the best opportunities, although the presence of the full moon may have some negative impact on observing chances.   For more advice on viewing the Northern Lights please visit: http://www.geomag.bgs.ac.uk/education/viewing_aurora.html For current UK activity levels please see: http://geomag.bgs.ac.uk/data_service/space_weather/Global_activity_now.html See where people are talking about the aurora in the UK now: http://www.bgs.ac.uk/citizenScience/geosocial/home.html  follow on Twitter | friend on Facebook | forward to a friend  Copyright © 2017 British Geological Survey, All rights reserved.  unsubscribe from this list | update subscription preferences