Weather Blog A Hazy, Foggy Day in Italy’s Po Valley Research suggests that airborne particles called aerosols contribute to longer-lasting outbreaks of fog. Read More… About Author See author's posts Post navigation Previous Will Storm Bert hit London as rain and snow set to batter UKNext Storm Bert on the way to London but Met Office predict when ‘cold snap’ will end Related Stories Tornado Draws a Jagged Line in Mississippi Weather Blog Tornado Draws a Jagged Line in Mississippi May 22, 2026 New Eruption in the Bismarck Sea Weather Blog New Eruption in the Bismarck Sea May 21, 2026 Fire Chars Santa Rosa Island Weather Blog Fire Chars Santa Rosa Island May 20, 2026