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• nowcasting-datasheet_2019pdf

  level. Fractional cloud cover above 15,000 feet above ground level. Cloud cover below 1000ft above ground level (AGL) T+0 1 Fractional cover below 1,000 feet above ground level. Cloud base T+0 1 Height of cloud base with at least 5 oktas (five eighths) of cloud cover. YYYYMMDDHHMM_u1096_ng_pp_

• UK heatwave likely, with warm air boosted by weather conditions from Europe

  a location records a period of at least three consecutive days with temperature values meeting or exceeding the heatwave temperature threshold for that location. Across much of the north and west of the UK this threshold is 25ºC, but across Greater London and the Home Counties the threshold is higher

• Warming up, with another heatwave on the way for some

  , southern and eastern areas. What are the heatwave criteria? In the UK, a heatwave is officially defined when a location records at least three consecutive days with daily maximum temperatures meeting or exceeding the heatwave temperature threshold. This threshold varies by county, reflecting

• Wet and windy picture continues

  of August there are currently no strong signals for any warmer or more settled weather, with the unsettled regime looking most likely to continue to dominate at least for the first half of the month. On balance, the greatest chance of seeing any brief, drier and slightly warmer interludes, would most

• An autumnal week ahead

  a journey if bad weather is forecast or at the very least to understand the traffic conditions.” You can check the latest forecast on our website, by following us on Twitter and Facebook, as well as on our mobile app which is available for iPhone from the App store and for Android from the Google Play store. Keep track of current weather warnings on the weather warning page.   

• A warm week, getting hot in places.

  into the high-20s in parts of Scotland, Wales and southwest England on Wednesday and Thursday, with temperatures reaching at least 30 Celsius in some spots in the southwest on Friday. By Saturday however, the focus of the heat will shift away from the west towards eastern and central parts of the UK

• Mixed weather to come

  as thousands of families take to the car to head off on holiday. Drivers are going to have to take particular care and could have not just queues of traffic but also heavy rain and gusty winds to contend with, at least at the start of the weekend. “It is vital motorists check their vehicles are ready

• Severe Gales 2 January 1976

  or very cold across parts of Scotland. Significant weather event The gale on the evening of the 2nd was one of the most severe to affect the British Isles during the twentieth century. At least 23 people died, public services were widely disrupted, and the total national damage was estimated to be between

• Heavy Rainfall 8 June 1957

  fall for the 8th must have been at least 8.00 inches. However, several separate measurements were made during the 24-hours and these show that the greater part of the rain, 137.9 mm (5.43 inches) fell within 2.5 hours from 1230 GMT to 1500 GMT. Though there were no separate measurements within

• Temperatures rising into next week

  uncertain how long this warmer weather will last though, with a possible breakdown from mid-week. What is the heatwave criteria? A UK heatwave threshold is met when a location records a period of at least three consecutive days with daily maximum temperatures meeting or exceeding the heatwave temperature