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of cloud-free hill tops above 600m: 20% Low cloud and visibility: Good, becoming moderate or poor in rain, very poor in snow and within cloud with bases becoming quite extensive from 400m from late morning with patches lower down for the afternoon. Check our weather forecast every day to get

concentration Descriptor Concentration thresholds and ranges Very Low <0.2 mg/m 3 Low ≥0.2 to <2 mg/m 3 Medium ≥2 to <5 mg/m 3 High ≥5 to <10 mg/m 3 Very high ≥10 mg/m 3 Existing VAA/VAG uses the ≥0.2 mg/m 3 threshold What are the QVA data sets? Probabilistic gridded data • Gives the probability that the ash

and generally cloudy, although it was generally less cold a er the 5th, and there was a fair amount of dry sunny weather in northern Scotland. There was a brief but very marked hot spell from the 18th to the 21st which produced the highest temperatures in April since 1949. Progressively cooler, unsettled

Oscillation (ENSO) - Although now declining, sea surface temperatures (SSTs) across the equatorial Pacific remain indicative on an ongoing El Niño event. Now past its peak, the current El Niño event is likely to weaken further with a transition to ENSOneutral very likely (85%) in April-June

later in the season (56% chance during May-July 2022). The effects of La Niña are likely to remain wide-reaching during the northern hemisphere spring. With a couple of notable exceptions (including East Africa) La Niña, very broadly speaking, tends to increase the likelihood of wetter than normal

, but elsewhere rainfall was near or above average, and it was very dull in the south-west with less than half the normal sunshine amount over much of Cornwall. Overall England had 96% of average sunshine and 115% of average rainfall. 1st to 4th It was generally mild, wet and windy with westerly winds

clothes 2% Altered work plans Overall how useful would you have said this severe weather warning was? 64% Very useful 30% Fairly useful Research conducted and infographic designed by djsresearch.co.uk 4% Not very useful 2% Not at all useful

(4.9) LOW PRIORITY Info about forecast change (4.9) Local detail (4.9) CRITICAL IMPROVEMENT 31% Stayed in 27% Secured things around the property 7% Changed travel plans 3% Cancelled a planned activity 2% Cleared paths Overall how useful would you have said this severe weather warning was? 68% Very

weather warning was? 58% Very useful 32% Fairly useful 5% Not very useful 4% Not at all useful Didn’t know 4% LOW IMPORTANCE HIGH Key: (xxx) = mean performance Research conducted and infographic designed by djsresearch.co.uk

of Scotland. It was very cold, with a very severe overnight frost. The temperature at Braemar, equalled the record, (also set in Braemar on 11 February 1895) for the lowest officially recorded temperature in Britain (-27.2 °C). Wales and much of England was dry and bright, though southern counties were