because those giant H’s and L’s representing high and low air pressure systems on a weather map are meaningless without understanding their significance. HELP FROM HIGH PRESSURE: How Houston's ...

Brits are facing a wave of hotter weather and maps show the areas of the country which are set to see the highest ...

A trough of low pressure and onshore ... the Bay Area with even colder air aloft that will push the marine layer up to at least 5,000 feet and possibly as high as 7,000 feet.

The mercury is set to rise to highs of 27C and above from Tuesday, with the high pressure system beginning to dominate the ...

the atmosphere does not heat evenly and these variations in temperature lead to pockets of high and low air pressure. When warm air rises, it creates lower air pressure, and the cooler air from an ...

In other words, the surface analysis chart depicts how pressure changes while holding the height constant. This is formally ...

the atmosphere does not heat evenly and these variations in temperature lead to pockets of high and low air pressure. When warm air rises, it creates lower air pressure, and the cooler air from an ...

A fine week of weather is on the way and forecasters are expecting the hottest day of the year in the UK so far. According to ...

The UK is set for a warm week of weather as a 'southerly wind' will bring heatwave conditions to the nation with the mercury ...

Upper air measurements are taken by a group of sensors called a radiosonde. A radiosonde is a very small instrument package ...

According to Met Office forecast maps, temperatures of 20C are forecast for Worcester ... Maximum temperature 15°C. Wednesday to Friday High pressure continues to bring widely dry and fine conditions ...

The mini-heatwave currently bringing balmy temperatures to the UK looks set to end in a few days' time as weather maps suggest an Atlantic storm could bring as much as two inches of snow to some parts ...