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Weather

Space Weather Observations, Alerts, and Forecast

By |2020-07-27T13:29:46+01:00July 27th, 2020|Astronomy, Weather|

There is an abundance of live data now available relating to Space Weather, Solar flares, solar radiation, VHF band conditions. Much of it is very technical, but the relevance for all of us in this Internet, 4G, 5G dependent times is that these Geomagnetic storms, Solar winds and flares can cause radio blackouts [...]

Sun, Moon and Seasonal Solstice Evolution Dates and Times

By |2020-07-27T17:00:23+01:00May 17th, 2020|Astronomy, Weather|

Here's an easy summary of the current sunrise, sunset, moonrise and moonset times as well as the current moon evolution that we have at the moment. The Equinox and Solstice The equinox and solstice define the transitions between the seasons of the astronomical calendar and are a key part of [...]

Windchill Tables – New and Old Definitions

By |2020-07-27T17:04:26+01:00May 10th, 2020|Weather, Weather Articles|

The term "wind chill" goes back to the Antarctic explorer Paul Siple, who coined it a 1939 dissertation, "Adaptation of the Explorer to the Climate of Antarctica." During the 1940s, Siple and Charles Passel conducted experiments on the time needed to freeze water in a plastic cylinder that was exposed to the elements. [...]

Wind Speed Maps, Forecasts and Wind Streamlines

By |2020-07-27T17:06:34+01:00May 10th, 2020|Weather, Weather Forecasts, Weather Maps|

Wind Streamlines show where the wind is flowing, hence where the wind blowing over a given spot has travelled from, which gives you a better idea as to why the temperature feels the way it does. This chart is updated every hour or so. Wind forecast for the next [...]

Live Weather from around the UK

By |2020-05-11T12:13:21+01:00May 8th, 2020|Current Weather Data, Weather, Weather Maps|

Dotted around the UK are various amateur weather stations similar to Crondall Weather. Shown below is a map that updates every 10 minutes or so to show you the actual weather conditions, and on the second tab is a complete list of all the weather stations in tabular format. Clicking on any of [...]

European Sea Level Pressure and Fronts

By |2020-05-11T16:52:34+01:00May 8th, 2020|Weather, Weather Forecasts, Weather Maps|

The latest weather synopsis showing the weather fronts and associated pressure is below - the image is updated very hour or so. And if you prefer a more classical, static black and white version from the Met Office: The numbers measure the atmospheric pressure in millibars. Usually isobars are [...]

Snow Weather Facts and Trivia

By |2020-05-06T09:09:43+01:00May 6th, 2020|Weather, Weather Articles|

Even though we don't get much snow in Crondall (records and history are here), we nevertheless get asked lots of snow related questions, so we've tried to pull together answers to the most common ones. Enjoy. Snow forms when tiny ice crystals in clouds stick together to become snowflakes. [...]

Night and Day Tracker over Crondall

By |2020-07-27T12:31:33+01:00May 6th, 2020|Astronomy, Tools & Trackers, Weather, Weather Related Trackers|

Here's a really neat dynamic tool that shows a view over Crondall from just over 22,000 miles above, so you can see the progress of night and day as it actually happens! If you want to see various other permutations, or just have a play then click here and have some [...]

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