Weather Blog Clouds Hover Over the Alaska Peninsula Winds interacted with mountainous terrain to produce long, sharp-edged standing wave clouds. Read More… About Author OTW Observer See author's posts Post navigation Previous BBC London weather experts forecast the exact date of 18C pure sunshine after spell of rainNext Met Office pollen warning for London as ‘very high’ levels to trigger hay fever sufferers for 3 days Related Stories A Turquoise Tint for the Black Sea Weather Blog A Turquoise Tint for the Black Sea June 25, 2026 NASA’s HiRISE Captures Perseverance Marking a Milestone on Mars Weather Blog NASA’s HiRISE Captures Perseverance Marking a Milestone on Mars June 24, 2026 Playing the Moon Game Weather Blog Playing the Moon Game June 24, 2026