UK snow: Five things you might not know

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A robin sits connected  a snow-covered branchImage source, PA Media

Sarah Keith-Lucas

Lead Weather Presenter

The notation of snowfall successful our forecasts ever pricks radical ears up, whether it is the imaginable of sledging and snowball fights, oregon the menace of question disruption and schoolhouse closures.

Love it oregon loathe it, present are 5 things you mightiness not cognize astir snow.

1. Snow is not white

It is really translucent.

When airy enters a snowflake, the analyzable operation of the crystal crystals scatter the airy into the 7 colours of the rainbow.

These colours are reflected truthful galore times wrong a snowflake that they harvester to marque achromatic light, and this is what is reflected backmost to our eyes.

2. The deepest snowfall ever recorded successful the UK is 1.65m

A snowfall extent of 1.65m oregon 5ft 5in is astir heavy capable to wholly hide the mean adult.

This was recorded backmost successful March 1947 successful Denbighshire, North Wales, during the snowiest UK wintertime of the 20th century. Snow drifts caused by blowing winds besides led to drifts arsenic heavy arsenic 6m (20ft).

Image source, PA Media

Image caption,

Scotland sees connected mean 23 days of lying snowfall each year

3. Scots person 421 words for snow

Scotland is the snowiest portion of the UK owed to its latitude and altitude, truthful it is nary astonishment that the connection astir snowfall is overmuch much divers successful Scotland compared to the remainder of the UK.

Some of the 421 presumption to picture snowfall see snaw (snow), feefle (to swirl) and skelf (a ample snowflake).

The Cairngorms upland scope averages 76 snowfall days each year. The fig of days erstwhile snowfall falls is higher, but it does not ever settle.

4. Snow falls astatine an mean velocity of 3 miles an hour

This is astir walking gait but, successful calm conditions, a snowflake tin instrumentality astir an hr to scope the crushed aft leaving the basal of the cloud.

The way and clip taken for a snowflake to autumn depends connected respective factors including the upwind speed, the humidity of the aerial and the tallness of the cloud.

Strong winds combining with dense snowfall pb to blizzards which tin beryllium peculiarly disruptive.

Image source, Getty Images

Image caption,

Intricate 'dendritic' snowflakes lucifer histrion branches

5. Snowflakes are ever six-sided

Snowflakes travel successful galore antithetic shapes and sizes. No 2 flakes are identical, but each person six sides oregon six points.

Due to tiny differences successful atmospheric conditions, each flake volition make a unsocial pattern.

And a bonus information to finish: According to Guinness World Records, external, the largest azygous snowflake ever measured was 38cm (15in) wide, and was recovered successful Montana, US backmost successful 1887.

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