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: The empirical relationship between radar reflectivity and rainfall rate is fixed whereas in reality this is highly dependent on precipitation type and is very different for rain and hail. Last updated: 11 February 2013 © Crown Copyright

Europe, in collaboration with Météo France Merging radar precipitation rates and accumulations with other observations such as rain gauges to improve accuracy. Development of new products using dual polarisation data, such as a 3D hydrometeor (eg rain, hail, snow, ice crystals) classification and 2D

of these showers could be quite heavy, with the risk of lightning and hail mixed in with them too. Although many of us will likely stay dry and avoid them." Met Office Deputy Chief Meteorologist Dan Harris commented: “The forecast later this weekend and into the early part of next week comes with larger

showers by Saturday afternoon and again on Sunday. These will bring the chance of hail and gusty winds for some places, as well as torrential downpours for a few. This will be the first meaningful rainfall for many places across the UK for several weeks.  As is often the case, many places will either miss

torrential rain, hail and lightning strikes. Lightning can cause power cuts and disrupt other utilities and services. Torrential rain and hail can lead to flooding and make driving difficult – with big differences in road conditions from one place to another. Training Community responders and the voluntary

Rain continues into Thursday On Thursday conditions will remain windy in the far northwest, with spells of rain affecting the far northwest of Scotland. Elsewhere, expect a mixture of sunshine and blustery showers, some of which may be heavy with a risk of hail and thunder, especially in western

Office. He said: “Some within the warning area could see torrential rain, perhaps even reaching 40mm of rainfall within the hour. Later in the warning period there is a risk of large hail, frequent lightning and gusty winds.” The Met Office’s David Oliver comments on the longer-term outlook. He said

rain will be accompanied by hail, thunderstorms and gusty winds, leading to flooding and difficult driving conditions.”  Tuesday’s low-pressure system contains the remnants of Hurricane Humberto, bringing with it warm and humid air.  This system will clear eastwards later on Tuesday, however low

of snow and hail in the context of Connected and Automated Vehicle (CAV) deployment Why Work with the Met Office? We offer accurate weather and climate data, consultancy, and research for future mobility technology. Our experienced consultants provide access to: World-leading meteorological

on the 19 October 2001 to 0900Z on the 20 October 2001. Please note: The empirical relationship between radar reflectivity and rainfall rate is fixed whereas in reality this is highly dependent on precipitation type and is very different for rain and hail. Lightning map Below is a lightning map