Plain English Campaign PEC criticised the Met Office for using the phrase "probabilities of precipitation" instead of "rain is likely". The Met Office responded by explaining that precipitation does not mean only rain. A Met Office spokesman said: "Precipitation covers a wide range of stuff falling from the sky including rain, sleet, snow, hail, drizzle, and even cats and dogs – but sums it up in just one word." Plain English Campaign The Plain English Campaign (PEC) is a commercial editing and training firm based in the United Kingdom. Founded in 1979 by Chrissie Maher, the company is a world leader in plain-language
Hail . GR is derived from the French word grêle. Smaller-sized hail, as well as snow pellets, use the coding of GS, which is short for the French word grésil. Terminal velocity of hail, or the speed at which hail is falling when it strikes the ground, varies. It is estimated that a hailstone of in diameter falls at a rate of , while stones the size of in diameter fall at a rate of . Hailstone velocity is dependent on the size of the stone, friction with air it is falling through, the motion of wind it is falling through,