WeatherWebb

Making the weather more accessible

Cold and sunny in Scotland. Dull elsewhere with showery rain.

Today: Tuesday 23rd December 2014
Cold with sunshine and wintry showers in Scotland. Cloudy elsewhere with outbreaks of rain, these heavier and more persistent in the evening.

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Tomorrow: Wednesday 24th December 2014
Windy with heavy rain sweeping eastwards across the UK, followed by colder conditions with sunshine and showers.

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The Next Few Days

Cold on Christmas Day with sunny spells and wintry showers. Chilly with spells of sunshine on Friday, but rain and snow will move into the north-west. Very windy on Saturday with rain sweeping eastwards.

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Windy with rain sinking southwards

Today: Monday 22nd December 2014
Another windy day. Rain will slowly sink southwards, followed by sunny spells and wintry showers. Turning colder in the north..

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Tomorrow: Tuesday 23rd December 2014
Cloud and showery rain will linger across central areas. Colder across Scotland with wintry showers. More persistent rain will move in from the west later.

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The Next Few Days

Rain clearing to wintry showers on Wednesday. Cold on Thursday with sunny spells and wintry showers. Chilly with spells of sunshine on Friday, but rain and snow will move into the north-west.

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Windy, dull and wet.

Today: Sunday 21st December 2014
Windy with a lot of cloud and outbreaks of rain. The rain will be heavier and more persistent in the north.

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Tomorrow: Monday 22nd December 2014
Staying windy and cloudy with rain sinking southwards. Turning colder in the north with wintry showers moving in.

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The Next Few Days

Another rather cloudy day  on Tuesday further outbreaks of rain. Rain clearing to wintry showers on Wednesday. Cold on Thursday with sunny spells and wintry showers.

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Windy with spells of sunshine and wintry showers.

Today: Saturday 20th December 2014
Windy with spells of sunshine, but also showers. The showers will be most frequent in the north-west and some may be wintry in nature.

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Tomorrow: Sunday 21st December 2014
Some sunshine in the south-east, but most cloudy with showery rain and drizzle moving into western and northern areas. Windy.

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The Next Few Days

A lot of cloud on Monday with outbreaks of rain, these heavy in the north. Another rather cloudy day  on Tuesday with rain spreading south. Rain clearing to wintry showers on Wednesday.

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Rain clearing to spells of sunshine and wintry showers

Today: Friday 19th December 2014
Rain in the south-east will move away leaving spells of sunshine, but also wintry showers, these most frequent in the north-west. Windy.

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Tomorrow: Saturday 20th December 2014
A bright and breezy day. There will be spells of sunshine, but also showers. The showers will be most frequent in the north-west, some of which will be wintry.

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The Next Few Days

Rain moving into the north and west on Sunday. Windy. A lot of cloud on Monday with outbreaks of rain, these heavy in the north. Another rather cloudy day on Tuesday with rain spreading south.

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A lot of cloud with outbreaks of rain

Today: Thursday 18th December 2014
A lot of cloud with outbreaks of rain, some heavy in the north. Drier in the south-east. Breezy.

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Tomorrow: Friday 19th December 2014
Rain will clear the south-east leaving a bright day with spells of sunshine. Wintry showers are expected in the north-west.

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The Next Few Days

Spells of sunshine on Saturday, but a few showers in the north-west. Rain moving into the north on Sunday. A lot of cloud on Monday with outbreaks of rain.

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A lot of cloud with patchy rain and drizzle. Milder

Today: Wednesday 17th December 2014
Windy with a lot of cloud and patchy rain and drizzle. However, a few sunnier spells are possible in the west. Milder.

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Tomorrow: Thursday 18th December 2014
Another mild and breezy day with plenty of cloud and spells of rain, some heavy, particularly in the north.

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The Next Few Days

Rain will clear south-eastwards on Friday leaving sunny spells and wintry showers. Spells of sunshine on Saturday, but a few showers in the north-west. Rain spreading south on Sunday.

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Spells of sunshine, but rain will begin to move in from the west later.

Today: Tuesday 16th December 2014
A sunny and chilly day for most, but cloud will increase from the west during the afternoon ahead of rain spreading east overnight. Windy.

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Tomorrow: Wednesday 17th December 2014
Rather windy. There will be a fair amount of cloud with showery outbreaks of rain. However, a few brighter spells are possible in the east.

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The Next Few Days

Windy with a lot of cloud and spells of rain on Thursday. Rain will clear south-eastwards on Friday leaving sunny spells and wintry showers. Largely fine on Saturday, but rain will begin to move into the north-west.

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The Northern Lights

I know it could be argued that this is not meteorological, but after getting to see the Northern Lights in Iceland last week, I thought I’d explain what they are and when’s best to see them.

The Aurora Borealis, or Northern Lights is a natural display of lights in the sky. The light is emitted by atoms and molecules in the polar upper atmosphere at altitudes above 100 kilometres (Schneider, Root & Mastrandrea 2011). In layman’s terms, the solar wind, which travels at 300-1000 miles per second, hits the Earth’s magnetic field, which deflects the solar wind and causes it to spread out so that we see the reaction.

The solar wind is made up of millions of protons and electrons and depending on the chemical we see different colours. The most common colour is a green-white, which is emitted by atomic oxygen (O), but you can also see pinks, reds and blues which are emitted by molecular nitrogen (N), sometimes neutral, sometimes ionized.

If we did not have the Earth’s magnetic field the solar winds would kill us. The magnetic field works as a barrier, and many other planets do not have this so if for example we lived on Mercury the solar winds would kill us.

The best place for seeing the Northern Lights is between 10º and 20º, so in Iceland, northern Scandinavia, Alaska, northern Canada and northern Greenland. However, when there is a lot of activity it can be seen in other parts of central Europe such as the UK. The best weather forecast for seeing the Northern Lights is a clear night when there are no clouds, additionally, it is important to be in the countryside where there is no light pollution.

There is also a version close to the South Pole which is known as the Aurora Australis, this can be seen from Antarctica, South America, New Zealand and Australia.

Here’s a few of my favourite photos from Dan and my trip:

For reference, these are meant to be the best settings for capturing the Northern Lights:

  • Set to the camera to manual
  • Set the camera speed to ISO 800-1600
  •  You need a high exposure so +8 seconds is best, we used 15
  • Set a 2 second timer to reduce the shaking of the camera
  • Change the aperture to f/3,6
  • Remove any UV or polarising features

 

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Wintry showers in the north-west. Cloudier in the far south with a little rain possible.

Today: Monday 15th December 2014
Some sunshine, but a fair amount of cloud in the south with patchy rain possible. Wintry showers are expected in the north-west.

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Tomorrow: Tuesday 16th December 2014
Spells of sunshine for most, but cloud will thicken from the west during the afternoon with rain moving in. Winds will strengthen too.

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The Next Few Days

Windy with a lot of cloud and spells of rain on Wednesday and Thursday. Rain will clear south-eastwards on Friday leaving sunny spells and wintry showers.

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